Fuel Sender Ohm Converter

On 1994-1997 Mustang, you will have to reuse your original lock ring as the one included with the sending unit will only work on 87-93 or aftermarket replacement fuel tanks. Find Cut-out Switch Assembly - 39670A28 here. List price: Previous Price C $117. I was informed by the manufacturer of the guage that I need a 0-90 ohms sending unit installed. FUEL SENDER UNIT, Incorrect Range -- FG-115 Moss Motors USA part no. 1967-1970 Cougar. These 90 ohm sending units are fully adjustable to many different tank sizes and are designed for use with our 1967-72 Chevy truck aftermarket aluminum rear mounted gas tanks. Moeller Marine Conversion Capsule from Mechanical to Electrical Dash Mounted Fuel Gauge (35-40 Ohm's) The problem was that the fuel sender circuit feed from my engine harness only puts out 1. Two wires went to the Moeller Fuel Sending Unit Conversion. Buy Today! | 0-90 Ohms Fuel Gauge - Fuel Cell Sending Unit - Fuel Sender COVID-19 UPDATE - Fuel Safe Systems remains open, taking orders, manufacturing, and shipping product. manchester g12846 snap in propane sight gauge dial fuel 90 ohm sender unit. The problem is this will not work for the xf fuel gauge as it uses a volt system 0. The car has been converted to a 12 V but I don't know about that sending unit or if the fuel gauge is 12v or 6v. fuel gauge sender signal converter (ohms convertor) part #arc-fm101. The Fuel Link interface is the problem-solver between fuel senders and gauges to correct ohm mismatch and erratic movement due to fuel slosh. Fuel Injector Nissan PRIMERA Fast and Free shipping available Car parts for all car makes and models The Biggest Brands At The Best Prices More than 500. I have a 55 Thunderbird which the fuel gauge has never worked. The 035760-10 Conversion Capsule converts the Direct Sight Swing Arm mechanical sending unit 035760-10 into an electric 33-240 ohm sending unit. These auto Senders and Sensors come in a variety of colors and sizes custom built by Speedhut. I changed the gauges in my 64 and the fuel gauge is a 0 - 90 ohm gauge which reads wrong. Took another 50 + bucks and an additional 10 days to get the Ring "adapter" so the screws would line up. I have a fuel level sender that runs a ohm sweep from 0-90 0 as empty and 90 as full. Ohms / Resistance (Empty - Full) Popular Models. The resource linked to on this page talks about fuel gauge and fuel sending unit ohms and how to test your vehicle. SAAS Fuel Level Gauge Black Muscle Series 52mm. View as List Grid. Prod is great. Some increase resistance from Empty to Full, while others decrease as the level goes up. Testing the resistence, the gauge does not show full, always empty. Will match any OHM rating; Problem Solver For Replacement Fuel Senders To Factory Fuel Guage Incorrect Readings. The problem is this will not work for the xf fuel gauge as it uses a volt system 0. For more recent exchange rates,. ICM Fuel Sender; ICM Fuel Sender This device makes it easy to convert an ohm signal into a 0-5V signal. 0 out of 5 by 2. 16-158, Ford Type '87 and later. The fuel sender, for the typical US standard used in a marine application, is a simple device that presents a resistance reading to the gauge with which it is paired. Fuel Sender - For Square/rectangular Tanks. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. This sensor signal is used to sequence the fuel injectors. more than 10 available hy-8504584 impco original cobra propane converter hyster h35xl. Chevy 1941-1954 Chevy Gas Tank Sending Unit For Original 0-30 Ohm Gas Gauge for better reading of fuel gauge Eckler's warehouse is open, shipping daily and ready to meet all of your automotive needs. There are 4 tank connections each with a pink and black wire and each are labeled. Ford Mustang tank and sender to any year GM Gauge Mopar gauge to GM tank Stewart Warner to any sender VDO to any sender. After checking the resistance on the sender terminals I got a resistance that was out of range for the fuel level. The voltage source V2 is the voltage across your sender when connected to a 120 ohm resistance. sensor, fuel level, adjustable, 240 ohm empty to 33 ohm full, swing-arm type is rated 3. Fuel Tank Senders - Compatible Ohms: 0-190 Ohms - 10-180 Ohms. When I installed a fuel cell in my 2004 Rubicon, I used a 240-33 ohm sender from VDO available on Summits website (Summit part number VDO-226007) and my factory gauge is SPOT ON. These OER fuel senders are junk. 95: Not In Stock: AM5291. 12-02 fuel tank gauges (fuel tank sending units) 12-02a replacement fuel gauge tank units, made in the usa! prefix: part no. VDO 2-1/16 INCH FUEL LEVEL GAUGE 240-33 OHM SENDER Fuel Gauge, Use with 240-33 Ohm Sender, 24V, M4 Stud ConnectionCockpit International Fuel Gauge, Use with 240-33 Ohm Sender, 24V, M4 Stud Connection. In the sending unit, the fuel has to drop below a certain level before the float starts to drop. Jaz Products 210-615-03 15-Gallon Aluminum Fuel Cell with 0-90 ohm Sender Jaz Products 210-615-03 15-Gallon Aluminum Fuel Cell with 0-90 ohm Sender Additional product information. 9V full tank to 3. In this circuit with a gauge intended to read a variable resistor to ground, with full ground being 0 ohms and 30 ohms being the top of the ohm range. Ohm range: Full 8. When the sender is at the empty position the rheostat is not. * This fuel sending unit measures 5-1/2" long. Disconnect the fuel sender positive wire from the fuel gauge; disconnect the negative wire. AEM CD-5 and CD-7 Carbon Dashes allow you to add fuel level to your display, and our CAN Sensor Modules make it easy by providing a dedicated input that connects to your fuel level sending device (6 Channel CAN Sensor Module PN 30-2226 and 22 Channel CAN Sensor Module PN 30-2212). Ford went to a different resistance rating for their fuel senders in the, I believe, early 80s. But my gauge expects to see full 40 ohms empty 250 ohms. If you view the gauge dial itself, you will notice that the halfway point in the gauge is in fact not centered in the field in order for the calibration to match. It can be used with many gauges that have resistive senders - such as common fuel, oil-pressure and temperature gauges. 70 Buick A-body Steel Gas Fuel Tank 20 Gallon Skylark Gs 455 Gsx 3 Vents. Autorestomod Manic Mechanic Gasoline Media 21,871 views 16:23. ALAS II Adjustable Fuel Sender, 5 ½-15¾", 3-180 Ohm, with Low Fuel Warning Contact | Add to Compare; 226-946 Learn More. The Gm Part no. If the gauge read out range for example is between 80ohm to 10 Ohm then when the tank is 2/3 full with 260 - 20 Ohm sender range the gauge will read empty even though the tank is 2/3 full. AutoCal Fuel Level Senders Rev 16 Model Number: AFLS All Lengths Electronics in the head convert this meas-ured capacitance to the programmed output of ohms or volts. Failed fuel solenoid. 95: Not In Stock: AM3223. Need Peterbilt 362 Miscellaneous Parts? Check out 388 Peterbilt 362 Miscellaneous Parts for sale. This sending unit can be cut to fit for fuel tanks from 6 to 24 inches deep. There is no need to remove thefuel tank, sending unit, or gauge to make a mismatched set work correctly. Checking the glowshift sender, it does go from 10 ohms @ 0 PSI to 180 ohms @ 100 PSI. (These are nominal values as will be seen shortly). SAAS Fuel Level Gauge Black Muscle Series 52mm. DC Converter DC Power. For a builder updating their vehicle with new gauges, this presents a problem in that the aftermarket gauges must match the sending unit located in the tank. I've tried adding a 10K resisotor as voltage divider and reading out the. The FU60 can also be ordered from the factory set to work with 4-20mA senders or 0-5V sender, as a special order item. Fuel Gauge Interface Module /Ohm Range Converter for Any Kinds of Fuel Gauges, US $ 29. Recently, a question about the Late Bay sender prompted me to take some additional readings and to put those notes into this post. Just did an auto meter full set of 5 inch gauges and had total hell with the gas sender. Black = ground/earth Green/Black = wire to fuel gauge. The interface is compatible with nearly any short sweep fuel gauge and fuel sender combination. Since 1920, we’ve been focused on providing our customers with the best possible instrumentation. 5" Fuel/Water Level Sending Unit - Genuine Marine S3 Electical Liquid Level Gauge Sensor Sender Unit for Truck, Generators or Gen Set, Bus (Standard American 240-33 ohms, 316 Stainless Steel) 4. ICM Fuel Sender; ICM Fuel Sender This device makes it easy to convert an ohm signal into a 0-5V signal. The resource linked to on this page talks about fuel gauge and fuel sending unit ohms and how to test your vehicle. The unit is part of the fuel pump module. Detailed Description: Fuel Guage / Fuel Sending Unit Conversion for your Chevy. Allentare White 250°F Water Temperature Gauge - Use w/Marine 450-29 Ohm Sender - 12V Allentare marine gauges provide an ideal, cost effective solution for new boats or drop-in replacement gauge for older boats. Failed fuel solenoid. The fuel is available This expansion of the pressurized liquid fuel into inside converter vaporizing chamber (9) when vapor, can result in freezing. ,Should I get a 6 V sending unit or 12 V. Replies 2 Views 62. For more recent exchange rates,. In fuel senders, capacitance is measured between the inner sensing tube and the grounded outer tube, and the fluid must be non-conductive. The Hobart JetEx 6D is a 28. 3L, but should be the same for an Hombre. They are all crap and most guys just deal with it. The voltage source V2 is the voltage across your sender when connected to a 120 ohm resistance. for the pump and sender assy. In this circuit with a gauge intended to read a variable resistor to ground, with full ground being 0 ohms and 30 ohms being the top of the ohm range. The interface is compatible with nearly any short sweep fuel gauge and fuel sender combination. If the fuel gauge needle dips during slosh like a sharp turn or going up hill a aftermarket ohm converter can fix that as well as match any sender to your fuel gauge. I need a 0-90 ohm, tube type, fuel sender for my GT. com New Products. Bring your vehicle’s fuel system back to its top shape with this top-notch part. So the sender moved down. 65 WARNING - click for more information: When Ordering Please Choose Sending Unit (Specify OHM) Chevy Truck: CT7381LBCFIT-K: 1973-81 Chevy/GMC Truck, 8ft long bed, kit: Photo/Info: $475. Here's an idea which is theoretically working. 0-30, GM Type '64 and earlier 4. This wire is fed by the battery saver relay in the Central Junction Box. 226-973 ALAS II Adjustable Fuel Sender, 5 ½-15¾", 240-33 Ohm, with Low Fuel Warning Contact Learn More. Length, Each. Unfortunately, the Auto Meter gage is made to work with a maximum resistance of 270 ohms. I got an RCI fuel cell with the chevy GM sending unit, I believe its 78-10 ohms. Here are 10 signs to look for when you need to replace a fuel injector or it needs service. Centroid Products, Inc is located at 2104 Hibiscus Dr, Edgewater FL 32141. Auto Meter Magneto Signal Converter: $97. Yogi's Part Number: SN34. 0 K ohm 1/2 watt resistor 1ea 1. Cookies are used to analyze user interest in our websites and help make them more user-friendly. mb/gpw: $ 59. Just bend the stop on the sender to stop at 10 ohms and then you have 10-90 ohm range which is easy to adjust the gauge. 240-33 ohm 240 (empty) -33Ω (full) 600-tlm-sif tank sender module interface owners instruction manual ground dc +12 vdc lights on/off + ext buzzer (neg o/p) tank sender input 3 tank sender input 2 send neg 1a fuse positive 12v feed violet negative black sender neg black (10-180 /240-33 ) i/p from sender red sender to tlm yellow tank sender. The sender in our tank have the area 110/3 ohm empty/full. Auto Meter Universal Fuel Level Sender, 240-33 Ohm: $46. DEMOTOR DER-PF310 Aluminum Fuel Gas Hot Tank Sender Rod Specifications Identifiers. 2 ohms E: 110 ohms notes: i believe the fuel sender is a variable resistor, so the signal to the gauge in the cluster is a resistance value, something. Needless to say this will not work with our stock sending units which operate in the 0(empty)-90(full) range. Converter Cases 1. But it is for use with Autometer fuel level sender # 3262. The kit includes the tank, a 255 lph fuel pump, internal baffling, a fuel level sender, tank straps, and the filler neck. Developed under the leadership of Chief Engineer – Engine Design and Development Willem Weertman and head of performance tuning Charles "Pete" Hagenbuch, who had worked on most of Chrysler's V-8 engines and the Chrysler Slant-6 engine, it was introduced in the 1981 Dodge Aries, Dodge Omni, Plymouth. i know its one wire, but which wire on the stock sending unit do i use? if i remember correctly there were a few different wires. 27 mph in the 1/4, gonna spray. Some increase resistance from Empty to Full, while others decrease as the level goes up. First off, I have a 1998 Oldsmobile Regency which has a regular analog instrument cluster. for the pump and sender assy. I don't see this. After year so having to look under an interior cushion. Ford models (prior to 1989) and most Chrysler models. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. home; shop online. Automotive > Sending Units. Just installed a new fuel tank and sender in my 65. One person tested a 1964 Chrysler 300 sending unit and found Full = 5. 2 out of 5 stars 48. Great problem solver to restore the correct fuel gauge readings , when using aftermarket senders with your oem gauges. Fuel Injection Air Meter 01F323571. SKU: V2-2422-5. Dirty or faulty fuel injectors. This module will. I am thinking the sending unit is probably bad and want to replace it. 76 in the 1/8th, 12. For example, a resistive sender that varies in resistance from 100 to 150 ohms would work. 2002-2009 Genuine OEM Honda Metropolitan Fuel Sending Unit. A resistor is an electrical device that resists the flow of electricity. It can be used with many gauges that have resistive senders - such as common fuel, oil-pressure and temperature gauges. The sending unit is submerged in fuel, which can cause it to wear out over time. If the sender is 20 ohm then the gauge will read about 2/3 or higher while a 90 ohm gauge will read less than a quarter tank. I was informed by the manufacturer of the guage that I need a 0-90 ohms sending unit installed. Extra Large 4. Car LPG Fuel Tanks. I am thinking the sending unit is probably bad and want to replace it. (Full tank at 29. Drop-in replacement for factory 5/16" or 3/8" sending units Budget alternative to a fuel cell or weld-on sump Recommended for cars with engines over 450 hp Recommended for all cars with an electric fuel pump and return/bypass style regulator 1/2" pickup and feed tubes reduce flow restriction to suction side of fuel pump. The fuel tank sending unit ohm readings are approximately 10 Ohms for full and approximately 60 Ohms for empty, with about a plus or minus 30% acceptable variation for these values. 71 72 Buick Gas Fuel Tank Oe Finish Skylark - Gs 455. txt) or read book online for free. P65Warnings. I'm running the Dominator ECU with the 7" Digital Dash. The JetEx 6D is powered by a Cummins Tier 3 Diesel engine coupled to a Hobart Generator. 0 K ohm 1/2 watt resistor 1ea 1. If the gauge responds properly to the fixed resistance installed at C431 and the fuel sender is new, check the Light Green/Orange wire for battery voltage at C431 with key on. br Does include in tank pumpbr Sending unitbr 3 prong electrical hookup Other parts recommended:br Seal and Lock Ringbr Ohm rating + or - 10 ohmsbr 10 emptybr 70 fullbr. Commonly used configuration is that when the fuel level is full the resistance will be low and resistance value increases as fuel level decreases in the tank. For example a 69 Camaro has a 0-90 ohm fuel sender. 00 USD Sender with Dakota Digital Fuel Link Converter - $505. I don't see this. If it looks like a needle then its a 2A/3 and will need to voltage stabalizer. Dialed up to about 80 ohms, it read empty. Insert a wire with appropriate contact to the Fuel Signal function of the connector. 2 out of 5 stars 48. Plugged air intake system. Easy to use parts catalog. These auto Senders and Sensors come in a variety of colors and sizes custom built by Speedhut. The sending unit is submerged in fuel, which can cause it to wear out over time. Request More Info. Autorestomod Manic Mechanic Gasoline Media 21,871 views 16:23. Touch the negative lead of the multimeter to the negative wire and the positive lead to the positive wire. I tested the sender and got 59 ohms and then tested the connection from sender to gauge and got 59 ohms again. Faulty seat switch. Not can change Ohm's (there's a calibration), you can check on your voltmeter. A restriction of only 8% to 10% in a single fuel injector can lean out the fuel mixture and cause a misfire. Fuel Sending Unit …Ford Industrial - Fits: 2030, 2130 * This fuel sending unit will work with FDS275 and FDS276 fuel gauges sold by Steiner Tractor Parts. 95: In Stock: AM9118. Compatible preset fuel sender ohm ranges (empty to full) 1. Stock F100 Gauge 73-10 ohm Sender with Tanks Inc Meter Match converter Sender with Dakota Digital Fuel Link Converter VDO 10-180 ohm sender Stock F100 Gauge 73-10 ohm - $365. You currently have 0 posts. This is where the fuel sender reads empty. The reading when empty is approximently 73 Ohms and when full approx. 07-JAN-2013. This looks awesome,I've had nothing but problems since I switched out my engine and tank. This is a drawing of the Moss Motors 360-280 fuel sender unit for MGA. pdf), Text File (. * Use w/ FDS178 fuel…. This fuel link interface is compatible with nearly any short sweep fuel gauge and fuel sender. You have a coil with a total resistance of, say 90 Ohm. This fuel sending unit is for 1983-1986 Mustang with EFI or CFI. 240-33, standard aftermarket. It receives liquid fuel through opening (1) at from the tank to less than atmospheric pressure. 0 - 90 Ohms. Car LPG Fuel Tanks. ! Never tried this, and untested sketch. When we add the 2 senders together, they total 500 ohms at Empty. Replies 2 Views 62. I would suggest to try to find a small Autometer gage to save some headaches. A calculator says half way between 80 and 10 is 45 but the OEM gauge doesn't work that way. I now know the sender ohms and the gauge ohms are different therefore the gauge is not going to work right. But my gauge expects to see full 40 ohms empty 250 ohms. I went ahead. Fuel gauges come in two forms. Empty - Arm Down = 240 Ohms. The BMW has a double sump fuel tank with two fuel level senders in series each generating 10 ohms when Empty and 250 ohms when Full for a combined nominal value of 20. 5 VDC Diesel ground power unit that is capable of 600 Amp continuous and 2000 Amp on Start. This is where the fuel sender reads empty. This fuel link interface allows you to calibrate a custom ohm range (between 0-350 ohms) and has on-board push button with LED readout for calibration. 0 M ohm 1/2 watt resistor 3/4 inch marine shrink tubing I hope this helps you others out for now. I did some testing with it, set it at 35 ohms, wired to gauge, it read half. Mega & Race Series: Industrial Series: Available in two sizes: 2 1/16" or 2 5/8" cutout. 5 Ohms; 1/2 = 19. G-PWR-CABLE. brand: Demotor; mpn: Der-pf310; sku: 4728992044963321. The unit is part of the fuel pump module. Very grateful for a quick reply. But my gauge expects to see full 40 ohms empty 250 ohms. 240-33 ohm 240 (empty) -33Ω (full) 600-tlm-sif tank sender module interface owners instruction manual ground dc +12 vdc lights on/off + ext buzzer (neg o/p) tank sender input 3 tank sender input 2 send neg 1a fuse positive 12v feed violet negative black sender neg black (10-180 /240-33 ) i/p from sender red sender to tlm yellow tank sender. - allows any fuel sender to be used with any electronic fuel gauge - perfect for when changing the fuel sender is an issue e. Hi All, I am having a few problems trying to debug a problem I am having with my Fuel Level reading and not sure whether it is the System Check Command Gauge or the WEMA device in the tank. The fuel sender, for the typical US standard used in a marine application, is a simple device that presents a resistance reading to the gauge with which it is paired. We have been selling senders to manufacturers, military, and individuals since 1983. Ohms / Resistance (Empty - Full) Popular Models. Sending unit Fuel Sender 0-90 ohms Fuel Gauge. Fuel Tank Sending Units for classic Impala and full size Chevy cars. If you look at that and the sender unit. The fuel-sending unit is a potentiometer that is adjusted by a float attached to a rod exactly like the float in a toilet bowl. Bio-diesel, vegetable oil, alchol,hydraulic oil, engine oil and non-potable water compatible ( consult factory ) The UFS can be ordered to drive 2 gauges or activate low or high levels; horizontally mounted reed switches provide greater accuracy and resolution. SkySport's senders work by measuring capacitance without moving parts. Speedometer Sender, 7/8-18" Thread Hall Effect, 16 Pulse: $102. A step-by-step process on how to calibrate your Speedhut fuel level gauge to any fuel sensor, which includes fuel level gauge manual calibration and setting the full and empty conditions. VDO ALAS1 Fuel lever arm sender 3-180 Ohm. COMPLETE FUEL INJECTION-READY TANK KITS CA-PROP. 00 free shipping. Switch 8 is not used. 99 cents for a 5 pack, between the fuel gauge GND and the Sender terminal. 5 Ohms and the gauge will show nearly 3/4 tank. Dorman HD Solutions is one of many national brands you know and trust carried by O'Reilly Auto Parts. Commonly used configuration is that when the fuel level is full the resistance will be low and resistance value increases as fuel level decreases in the tank. If the gauge responds properly to the fixed resistance installed at C431 and the fuel sender is new, check the Light Green/Orange wire for battery voltage at C431 with key on. This diagnostic trouble code (DTC) P0546 refers to the condition of the EGT (exhaust gas temperature) sensor located in the "up" pipe forward of the catalytic converter. 0 Ohm When Setup B2017 Front Speaker Opened R>100 Ohms Tested Once per Ignition Cycle Ignition ON after Ignition Off for 10 sec. O'Reilly Auto Parts offers fuel sending units for a variety of vehicles. Shop, read reviews, or ask questions about Fuel Gauges at the official West Marine online store. Autorestomod Manic Mechanic Gasoline Media 21,871 views 16:23. For a builder updating their vehicle with new gauges, this presents a problem in that the aftermarket gauges must match the sending unit located in the tank. Auto Meter Distributorless Ignition Tachometer Adapter: $109. Replies 2 Views 62. The fuel is available This expansion of the pressurized liquid fuel into inside converter vaporizing chamber (9) when vapor, can result in freezing. Allentare gauges are designed to work with most commonly found marine senders and wiring harnesses used today. This A/F ratio produces the lowest harmful exhaust emissions, and allows the catalytic converter to operate at peak efficiency, therefore reducing the exhaust emissions further. Enjoy great priced products with fast shipping. I tested the sender and got 59 ohms and then tested the connection from sender to gauge and got 59 ohms again. ~1997 & up - 40-250Ω (40Ω empty - 159Ω half – 250Ω full) or 250-40Ω (some of these are reversed depending on the year/model/sender and are actually 250-40Ω senders where 250Ω is empty and 40Ω is full. WARNING: Cancer and Reproductive Harm - www. AutoCal Fuel Level Senders Rev 16 Model Number: AFLS All Lengths Electronics in the head convert this meas-ured capacitance to the programmed output of ohms or volts. --convert the fuel tank level float and sender to an electrical sender --use a tank level sensor convertor to connect to the new electrical sender and convert the electrical signal to a NMEA-2000 network parameter, such as the Lowrance EP-65R. ALAS II Adjustable Fuel Sender, 5 ½-15¾", 3-180 Ohm, with Low Fuel Warning Contact | Add to Compare; 226-946 Learn More. Ohm Signal Convertor Fuel Gauge Interface Mini Size, US $ 29. Source from Shenzhen Ninghui Technology Limited on Alibaba. Took another 50 + bucks and an additional 10 days to get the Ring "adapter" so the screws would line up. The unit installs in line between the fuel gauge and fuel sender to correct the mismatch. Matching up OEM fuel sender with an aftermarket fuel gauge. Auto Meter Magneto Signal Converter: $97. 000 car parts available We use cookies to ensure you have the best experience on our site and to offer you personalised navigation and communications. If your car uses two in-tank senders (BMW) you only need one ICM sender. To view links or images in signatures your post count must be 10 or greater. Insert a wire with appropriate contact to the Fuel Signal function of the connector. The sending units for our trucks in the factory gas tank behind the seat operate on a 0-30 ohm range. Testing the Fuel Sender unit on a CJ The sender should have one wire (pink) with voltage from the sensor's isolated center post. ISSPro Inc. Mitchell on Demand 5 says it should be 40 ohms empty and 250 ohms full. Most muscle era Mopars fuel tank sending unit has a resistance range of 10-73 ohms. In water senders, capacitance is measured between the inner insulated sense wire and the water, with the water being grounded by a wire wrapped around the outer tube. Or if you decide to upgrade your dash to aftermarket gauges, we have a sending unit with the correct ohm range for you. Continue with Facebook. Find Gauge Sending Units with 70 ohms empty, 10 ohms full Sender Ohm Range and Universal and get Free Shipping on Orders Over $99 at Summit Racing! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Fuel Sender, 75-10 Ohm, 10 in. It has mostly replaced the mechanical fuel pump. A resistor is an electrical device that resists the flow of electricity. WARNING: Cancer and Reproductive Harm - www. I recently aquired a Seaswirl which has a 400 litre tank, and upon filling her with 100 litres when she was empty I am getting a digital reading from the System Check Command Gauge of only 7%, when I was. Took another 50 + bucks and an additional 10 days to get the Ring "adapter" so the screws would line up. The BMW has a double sump fuel tank with two fuel level senders in series each generating 10 ohms when Empty and 250 ohms when Full for a combined nominal value of 20. The YELLOW wire from the 8-wire harness connects to the fuel level sender. Fuel Filter The Main fuel filter is situated forward and central to the fuel tank, roughly in line with the 'B' Posts. So it looks like this is the one that will work. ALAS II Adjustable Fuel Sender, 5 ½-15¾", 3-180 Ohm, with Low Fuel Warning Contact | Add to Compare; 226-946 Learn More. In most cases, the sender and the fuel gauge need to be matched to the resistance in the sender's rheostat, so to be completely sure you are getting. Or if you decide to upgrade your dash to aftermarket gauges, we have a sending unit with the correct ohm range for you. Vdo Reed - $107. The voltage source V2 is the voltage across your sender when connected to a 120 ohm resistance. Stale or improper fuel / fuel level / water in fuel. Shop Fuel Sender for your classic 1967-1973 Cougar at NPDLink. Senders with aluminum tubing are for oil, diesel, or gasoline of up to 10% ethanol; and senders with PVC tubing are for potable water. com From the "GM fuel gauge mystery" web page: Ohms You Say? From 1965 up to the late 1990’s, GM decided to change the Ohm (Ω) reading coming out of the fuel sender from 0 – 30Ω to 0 – 90Ω (0 empty – 90 full) which allows the gauge to be a little more accurate. Hyundai HD78 Fuel System. Thread: Stock ECT sender ohm curve by 2xLS1. In stock & ready to ship. 76 in the 1/8th, 12. Source from Shenzhen Ninghui Technology Limited on Alibaba. This resistance range is read by analog marine fuel gauges, and the gauge needle theoretically points to the corresponding fuel level. Engine Runs Rough Or Stalls Engine hand throttle lever not pushed forward. 29 You Save 13%. I wanted to be able to use the stock gauge in the cluster with a different sending unit (like a gm style that runs 0 empty - 90 full ohm). 2 ohms E: 110 ohms notes: i believe the fuel sender is a variable resistor, so the signal to the gauge in the cluster is a resistance value, something. An optional fuel level gauge is also available. Fuel Level Sender. If the fuel pump wiring is not done correctly, the pump will not work, and the engine will not run. Moeller Marine Electric Universal Fuel Tank Sending Unit (4" to 28" Deep Tanks, 32 to 240 Ohm's) Moeller Marine Electric Universal Fuel Tank Sending Unit (4" to 28" Deep Tanks, 32 to 240 Ohm's) › See more product details. 1970 Buick Skylark Gs Gs455 Zinc Galvanized Gas Fuel Tank 1-vent Wo Eec Gm34n. Plus this; Moeller Conversion Capsule 035760-10. txt) or read book online for free. 40-250 OHM OEM LPG Tank Sender for Ford Falcon BA BF FG Sedan. The resource linked to on this page talks about fuel gauge and fuel sending unit ohms and how to test your vehicle. VDO ALAS1 Fuel lever arm sender 3-180 Ohm. Fuel Tank Sending Units for classic Impala and full size Chevy cars. I removed the sending unit, I had 46 mm socket (based on reading this forum). Open 24x7 - Same Day Shipping! Save $10 off $399, $15 off $599, $25 off $799, $100 off $1,699 Orders. How would I install a '280 ohm resistor in the gauge winding' of an FG? I think I have a solution, I will attach the FG fuel sender potentiometer to the BA fuel sender floater, and work with that. 1970 Buick Skylark Gs Gs455 Zinc Galvanized Gas Fuel Tank 1-vent Wo Eec Gm34n. 00 USD Sender with Dakota Digital Fuel Link Converter - $505. The easiest way to check the gauge is turn the key on and quickly ground the. Just did an auto meter full set of 5 inch gauges and had total hell with the gas sender. Measurements should track the fuel in tank. Connect the opposite end to the fuel level sender’s signal wire or terminal. pdf), Text File (. Fuel Gauge - Float Arm Sender 52mm Part No. 73 - 10 Ohms. When we add the 2 senders together, they total 500 ohms at Empty. Have had a strange problem with the fuel sender/gauge system for some time. fuel sender to gauge linking module (ohms converter). Dirty or faulty fuel injectors. The more resistance there is, the less current will flow. 000 car parts available We use cookies to ensure you have the best experience on our site and to offer you personalised navigation and communications. For common applications (BMW, Miata, Boxster, Honda) we generally have that data already. Gauges and senders always need to compatible (or made compatible with a signal conditioner-Google Fuel Sender Signal Converter). The easy way is to take a 22 ohm resistor (standard value of resistor) and see where the gauge goes to. The sender in our tank have the area 110/3 ohm empty/full. WARNING: Cancer and Reproductive Harm - www. Compatible preset fuel sender ohm ranges (empty to full) 1. 52mm / 2" Fuel Level Gauge; Choose from 4 different LED lighting colours (Red, Green, Blue, White) Flashing indicator for low fuel level; Built in Ohm converter - Allows the use of the factory sender by selecting the appropriate calibration. Will match any OHM rating Problem Solver For Replacement Fuel Senders To Factory Fuel Guage Incorrect Readings  Great problem solver to restore the correct fuel gauge readings , when using aftermarket. CPP's fuel gauge interface modules solves most fuel gauge problems most encounter This easily installs between the sender and the gauge No need to drop tank and replace sending unit. It can be used with many gauges that have resistive senders - such as common fuel, oil-pressure and temperature gauges. Oem To A33997. When I was doing some work on the engine, I decided to install an electronic fuel pressure gauge with a sender in the fuel injector rail. Allentare gauges are designed to work with most commonly found marine senders and wiring harnesses used today. Please help educate a retard from Idaho. 1ea 43 ohm 1 watt resistor 1ea 2. If you are using modern. All the fittings feature a reusable spin-lock connector that does not require specialty tools to disassemble. The fuel tank sending units used on all Ford products up through 1986 have a resistance range of approximately 8-12 ohms full and 70-73 ohms empty. Just bend the stop on the sender to stop at 10 ohms and then you have 10-90 ohm range which is easy to adjust the gauge. Needless to say this will not work with our stock sending units which operate in the 0(empty)-90(full) range. 240-33, standard aftermarket. The JetEx 6D is powered by a Cummins Tier 3 Diesel engine coupled to a Hobart Generator. Buy online, pick up in-store in 30 minutes. 8 ohms 1/2: 32. Put an end to mismatched fuel senders to gauge ohm ranges and erratic movement from fuel slosh with this fuel link interface from Classic Instruments. I now know the sender ohms and the gauge ohms are different therefore the gauge is not going to work right. * This fuel sending unit measures 5-1/2" long. This sender can be used for gas or diesel. See below for other ranges. For example a 69 Camaro has a 0-90 ohm fuel sender. Very grateful for a quick reply. 150mm 240-33 ohms Fuel Sending Unit Marine Truck Car RV Water Level Gauge Sensor (Fits: More than one vehicle) Save 6 volt fuel sending unit to get e-mail alerts and updates on your eBay Feed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion rates. There is no need to remove thefuel tank, sending unit, or gauge to make a mismatched set work correctly. The PCM is said to be in closed loop. Dummy me, that would be too easy huh? Well, in trying to locate a sender that would work, I stumbled across a possible fix for the old "90 ohm sender to a 30 ohm gas gauge. 3L, but should be the same for an Hombre. I have a fuel sending unit that reads empty 40 ohms and full 250 ohms. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. But it is for use with Autometer fuel level sender # 3262. 25 to about 3 volts as the fuel sender changes resistance. Two wires went to the Moeller Fuel Sending Unit Conversion. The voltage source V2 is the voltage across your sender when connected to a 120 ohm resistance. Correctly adjusted fuel gauge sender, empty tank resistance reading Once you've fiddled your brains out and get close as you can you can, then get some fixed resistors in the values given above (20 and 222 Ohms, or use a single variable 1K ohm potentiometer and use your multimeter to calibrate it before attachment). Take it easy when removing the sending unit, let the rest of the fuel flow back into the fuel tank. Now I had tested the oher fuel sending unit on the driver's side for comparison. With the tank half full, the resistance should be approximately 55 ohms. However, when the sender was connected to gauge i only got 23 ohms. Inspired by their Zeus Speedometer Technology, this device corrects fuel ohm rangemismatch and erratic pointer movement due to fuel slosh. Two wires went to the Moeller Fuel Sending Unit Conversion. Find Cut-out Switch Assembly - 39670A28 here. 0L EFI engine,2sending unit. 0-90, GM Type '66 and later 3. So, using a fairly simple opamp circuit I was able to make it work with the existing fuel sending unit. GM up to 1964 - 0-30 Ohms ; GM 1965-1997 - 0-90 Ohms ; Autometer -240-33 Ohms is the most common however other ohm ranges are made ; Classic Instruments - 240-33 Ohms (excluding vehicle specific gauge kits which use factory ohm range) Dolphin - 0-90 Ohms ; Dakota Digital - Programmable to work with most Ohm range senders. Fuel Tank Sender, Tube Style, 90-0 OHM. They are all crap and most guys just deal with it. 0 Resto reproduction unit comes with the fuel sending lock ring that holds it to the tank as well as the seal. Unfortunately, the Auto Meter gage is made to work with a maximum resistance of 270 ohms. ISSPro Inc. With float in down position, resistance should be 220 ohms +/-6 ohms. Great problem solver to restore the correct fuel gauge readings , when using aftermarket senders with your oem gauges. Re: trying to determine ohms for fuel gauge Think I figured it out. Choose an item or category to find the specific products you need. Matching up OEM fuel sender with an aftermarket fuel gauge. Saturday,20,June,2020,12:00:52:14741 VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64 VCDS Version: 20. 00 free shipping. It is a new type of floatless fuel sender from Classic Instruments. About CENTROID PRODUCTS. 2003 Chevrolet Silverado 1500 WT 8 Cyl 4. You have a coil with a total resistance of, say 90 Ohm. Well I double checked the ohm range of the oil press. fuel sender to gauge linking module (ohms converter). Enjoy great priced products with fast shipping. What is the ohm range of the guage. 240-33, standard aftermarket. For Deeper Senders, Please Contact Use. i filled the tank up and re-tested and got 30 ohms from the sender. See the sketch, which shows the basic electric design of an Opel fuel sender. Licensed Ford, Jeep, GM & Hoonigan gauges. well, i never hooked up the fuel gauge when i did my swap because i had plans to do a fuel cell, now im thinking of not doing a fuel cell so how hard is it to wire the gauge to the stock unit. CHEVROLET Gas Tank Sending Unit 0-30 Ohms (For Gas Gauge) (6V Or 12V) Passenger Car (Except Sedan Delivery And Wagon) - Adjustable Arm For Multiple Applications, A Must For K Series Tanks This is a gas tank sending unit with gasket and screws. details: - this device corrects the problem of mismatched fuel tank senders with aftermarket gauges. Ford models (prior to 1989) and most Chrysler models. Great problem solver to restore the correct fuel gauge readings , when using aftermarket senders with your oem gauges. These values can be found in the service manual or by a google search. Two ohms resistances: 240-33 ohms or 0-90 ohms. We have replacement fuel tank sending units for all 1947-72 Chevy and GMC trucks, including 1967-72 Suburbans. The first version of this engine family was a normally aspirated 2. The fuel sending unit should have a pink wire with voltage on the isolated center post. The short sweep electric fuel gauge manufactured by Auto Meter for the Ford 73-10ohm range is calibrated for the original Ford factory supplied, non-linear, fuel level sender design. The sending unit is submerged in fuel, which can cause it to wear out over time. External Outputs/Alarms:. CENTROID'S PROGRAMMABLE FUEL AND WATER SENDERS Centroid's new microcontroller-based senders can be distinguished from our older analog style by a "P" in the part number : ie CGFP or CGWP. There are a few signs and symptoms that are specific to this problem that signal it is time for a fuel pump replacement. In fuel senders, capacitance is measured between the inner sensing tube and the grounded outer tube, and the fluid must be non-conductive. 27 mph in the 1/4, gonna spray. Convert any ohm range fuel level sender to work with any ohm range fuel gauge! The MeterMatch TM is for making analog gauges more accurate, or to allow you to mix and match different gauges and senders. So that brings me to the question, does anyone know the ohm range for the 1929 Chrysler 75? Thank. All three are shown running to a rectangle of boxes with circuit numbers in the boxes. Adjustable for 5" - 24" deep tank. Two ohms resistances: 240-33 ohms or 0-90 ohms. Senders and Sensors from Speedhut. I have a fuel guage that is reading backwards. They can be used as a replacement for your existing unit. Marine Fuel Tank Sending Units - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. Took another 50 + bucks and an additional 10 days to get the Ring "adapter" so the screws would line up. The kit includes the tank, a 255 lph fuel pump, internal baffling, a fuel level sender, tank straps, and the filler neck. So a proper non linear sender should signal approx' 34 ohms at 1/4 range, 23 ohms at 1/2 range, approx' 15 ohms at 3/4 range. Great problem solver to restore the correct fuel gauge readings , when using aftermarket senders with your oem gauges. Fuel Gauge Interface Module /Ohm Range Converter for Any Kinds of Fuel Gauges, US $ 29. It is a new type of floatless fuel sender from Classic Instruments. I have 118 Ohms coming in from the wires from the fuel sending unit. txt) or read book online for free. If your car uses two in-tank senders (BMW) you only need one ICM sender. 0 - 90 Ohms. Easy to use parts catalog. 4 out of 5 stars 52 $16. Inspired by their Zeus Speedometer Technology, this device corrects fuel ohm rangemismatch and erratic pointer movement due to fuel slosh. I went ahead. Shop, read reviews, or ask questions about Fuel Gauges at the official West Marine online store. I have one new one here that reads empty all the time,have another in my Barracuda that with 15 gals in the tank it reads 1/4 and the last 5 gals takes it to full. In most cases, the sender and the fuel gauge need to be matched to the resistance in the sender's rheostat, so to be completely sure you are getting. Ford models (prior to 1989) and most Chrysler models. Compatible preset fuel sender ohm ranges (empty to full) 1. Plugged air intake system. Full - 84-88 ohms Half - 40 ohms, give or take Empty - 0-2 ohms If this doesn't check, then sender or wiring on top of the tank is bad or the sender not adequately grounded. When I disconnect the wiring, the fuel gauge empty tank warning light turns off (probably a good thing). If your car uses two in-tank senders (BMW) you only need one ICM sender. Most muscle era Mopars fuel tank sending unit has a resistance range of 10-73 ohms. If this precision is thrown off by restrictions, electrical problems or fuel problems, it can cause driveability issues. For common applications (BMW, Miata, Boxster, Honda) we generally have that data already. You can tell what type of guage you have by looking at the needle. Sounds like you are saying that adding a 45 ohm resistor to ground, at the 0-90 ohm sender, will equate 0-30 for the gauge. The powertrain control module (PCM) monitors the signal circuit of the fuel level sender in order to determine fuel level. Centroid Products, Inc is located at 2104 Hibiscus Dr, Edgewater FL 32141. 00 / Piece, Guangdong, China, TENET, 12 Months. Rs = Resistance of the sender = 0 - 30 ohms 6 volt gauge: Rl = 53 ohms, Rc = 30 ohms 12 volt gauge: Rl = 109 ohms, Rc = 30 ohms The equivalent resistance of the sender and the control coil is the same for 12v and 6v. Find our best fitting fuel level gauges for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. fuel sender to gauge linking module (ohms converter). 2515 NE Riverside Way Portland, OR 97211. 8 Exploder rear, LS Camaro front discs, Cal-Trac clone traction bars, Best N/A passes to date: 7. A while ago I calibrated my fuel sender with the fuel gauge, and while at it, I did some measurements and took some notes. It's hooked up to IO #10 pinned at pin 13; like the manual & Digital Dash both say. G-SNDR-14 Universal Temperature Sender (Speedhut Line) $49. **CLEARANCE**Auto Meter Sport-Comp Fuel Level 2-1/16" Face w/0-90 ohm Sender Short Sweep Electric Analog Click to enlarge $88. Enjoy great priced products with fast shipping. 0 Resto reproduction unit comes with the fuel sending lock ring that holds it to the tank as well as the seal. Fits standard 5-bolt mounting flange. Will match any OHM rating; Problem Solver For Replacement Fuel Senders To Factory Fuel Guage Incorrect Readings. The other black wire on the sending unit with a tab style connector is a ground to the frame. Well I double checked the ohm range of the oil press. The unit installs in line between the fuel gauge and fuel sender to correct the mismatch. 07-JAN-2013. 40-250 OHM OEM LPG Tank Sender for Ford Falcon BA BF FG Sedan. Fuel Injection Air Meter 01F323571. But my gauge expects to see full 40 ohms empty 250 ohms. I installed a new Moeller fuel sending unit, which is different than the previous sending unit that was installed. 00 free shipping. Drop-in replacement for factory 5/16" or 3/8" sending units Budget alternative to a fuel cell or weld-on sump Recommended for cars with engines over 450 hp Recommended for all cars with an electric fuel pump and return/bypass style regulator 1/2" pickup and feed tubes reduce flow restriction to suction side of fuel pump. They feature guaranteed calibrated readings from 33 to 240 Ohm's. They talked about something to convert ohms,, what I think this thread is about but I really need detailed (like part numbers) of what I need. This sender can be used for gas or diesel. I don't see this. Fuel Level Gauges. Save Share. I did some testing with it, set it at 35 ohms, wired to gauge, it read half. If the sender is 20 ohm then the gauge will read about 2/3 or higher while a 90 ohm gauge will read less than a quarter tank. I have a fuel sending unit that reads empty 40 ohms and full 250 ohms. Easy to use parts catalog. The fuel sender, for the typical US standard used in a marine application, is a simple device that presents a resistance reading to the gauge with which it is paired. Will match any OHM rating Problem Solver For Replacement Fuel Senders To Factory Fuel Guage Incorrect Readings  Great problem solver to restore the correct fuel gauge readings , when using aftermarket. 5 Ohms @ full, and took about 8. But it is for use with Autometer fuel level sender # 3262. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. So would a sender that varies from 75 ohms to 25 ohms. The tank is all but full and I read 37 ohms at the sender pin on the tank to ground today. 800-654-6779. At the empty position the equivalent resistance is 0 ohms because the the resistance of the sender is 0 ohms. I drilled and tapped a hole in the end of the rail, soldered in a brass pipe elbow (1/8"-1/4" street elbow) and screwed the sender into that. A step-by-step process on how to calibrate your Speedhut fuel level gauge to any fuel sensor, which includes fuel level gauge manual calibration and setting the full and empty conditions. 12-02 fuel tank gauges (fuel tank sending units) 12-02a replacement fuel gauge tank units, made in the usa! prefix: part no. Auto Meter Fuel gauge Old Tyme White Fuel Level Model AU1606 2-1/16" FUEL LEVEL, 240-33 Ω, AIR-CORE Fully working, but i bought the wrong ohm meter for my fuel sender unit (i needed a 0-30ohm), so i am now selling this one for less than half price!. 2515 NE Riverside Way Portland, OR 97211. You can unplug your sending unit from the tank and put one side of your ohm meter on the sending unit and one side on ground and granted your tank is empty and you sending unit is working you and figure out how many ohms it is at when it empty or you can pull your tank and remove the sending unit and test it also. 4 gallons after reading 34. I tested the sender and got 59 ohms and then tested the connection from sender to gauge and got 59 ohms again. Fuel Tank Sender, For Bus 55-66. At the empty position the equivalent resistance is 0 ohms because the the resistance of the sender is 0 ohms. Home / News / GM Fuel Gauge Mystery. These tank kits are a complete. 2002-2009 Genuine OEM Honda Metropolitan Fuel Sending Unit. VW 01F323571 Torque converter. " Not sure what the programmable range is though, the manual doesn't say. It has mostly replaced the mechanical fuel pump. chevrolet ramp c-30 1967 1/64 greenlight a truck oil" camaro. Save Share. SN17 GM to Ford pulse generator converter may be used to convert GM style sender to work with Ford transmissions. Aftermarket performance auto car parts company & vehicle gauge manufacturer. Stewart Warner gauges set the industry standard in classic gauge design almost 50 years ago. 25 to about 3 volts as the fuel sender changes resistance. 2l Supercharged O. Resistance to resistance converter with dual output I'm trying to find a way to share a resistive liquid level sensor across two different circuits; obviously connecting the two circuits in parallel to the sender units won't work, so I was wondering if there's a way to design an electronic circuit that will read the resistance of the sender. Refer to Fuel Pump Module Removal/Installation for procedures. View as List Grid. Senders, Sensors & Tubing Fuel Level, Pressure, RPM, Speed & Temperature Senders & Sensors, Mechanical Tubing and Accessories Fuel senders: our thick-film resistors deliver greater accuracy and will perform reliably for more than twenty million cycles. 5 ohm (oil filled), b coil designed for use w ith the Ignito r II Hi Performance Electronic Conversion Kits ★ Compatible with capacitive discharge systems 18-5469 HI-PERFORMANCE IGNITION COIL. (These are nominal values as will be seen shortly). is 25178729, and says it fits 97-00 S10 and Hombre, so it should be the same. RE: Changing the resistance of a gas tank sender for aftermarket gauge? Polatron (Electrical) 4 Nov 10 00:48 A quick solution to your gauge problem. Sending unit Fuel Sender 0-90 ohms Fuel Gauge. --convert the fuel tank level float and sender to an electrical sender --use a tank level sensor convertor to connect to the new electrical sender and convert the electrical signal to a NMEA-2000 network parameter, such as the Lowrance EP-65R. Fuel Gauge Interface Module /Ohm Range Converter for Any Kinds of Fuel Gauges, US $ 29. Adjustable thick-film fuel senders for various tank depths with 240-ohm resistance. A-INVERT-05 240-33 OHM Resistive Float Fuel Level Sender. 2003 Chevrolet Silverado 1500 WT 8 Cyl 4. Thought maybe I put the fuel sender plug on upside down, so I turned it over and still the same thing, reads full. This is for a 2000 S10, 2. Fuel Gauges have always been a pain in the ass for most of us. A restriction of only 8% to 10% in a single fuel injector can lean out the fuel mixture and cause a misfire. The fuel tank sending unit ohm readings are approximately 10 Ohms for full and approximately 60 Ohms for empty, with about a plus or minus 30% acceptable variation for these values. Disconnect the fuel gauge sending unit and connect terminal 2, Yellow/Red wire to terminal 3, Brown/Black wire through a test light and verify that the gauge moves towards full. Problem is, most aftermarket fuel cells come with either a 0-90ohm or 7-97ohm resistance fuel sender. Specify your vehicle and/or the fuel tank sender ohm range so we can program the unit for your application. 5 Volts / 10. Replies 2 Views 62. Join the discussion. It might just be the fuel tank sending unit in your gas tank that's not working anymore. ) Tank size is 27-3/4 x 17-3/4 x. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Classic Industries offers a wide selection of 1956 Chevrolet Bel Air parts, including 1956 Chevrolet Bel Air interior parts and soft trim, 1956 Chevrolet Bel Air exterior sheet metal, 1956 Chevrolet Bel Air moldings, 1956 Chevrolet Bel Air emblems, 1956 Chevrolet Bel Air weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Fuel Pump/Sender Assembly by AIRTEX Quality,Performance,Technology must be AIRTEX Productbr Just like the OEM unitbr Replaces Ford # E5TZ-9H307-Abr With 1985-86 302 5. In this circuit with a gauge intended to read a variable resistor to ground, with full ground being 0 ohms and 30 ohms being the top of the ohm range. Leading international supplier of automotive electronics & mechatronics. GM up to 1964 - 0-30 Ohms ; GM 1965-1997 - 0-90 Ohms ; Autometer -240-33 Ohms is the most common however other ohm ranges are made ; Classic Instruments - 240-33 Ohms (excluding vehicle specific gauge kits which use factory ohm range) Dolphin - 0-90 Ohms ; Dakota Digital - Programmable to work with most Ohm range senders. The two leads coming from the instrument panel and going to the sender have 12v across them when not connected to the sender. Appletree Automotive offers a complete line of VW GAUGES VDO FUEL LEVEL.