 fuel gauge seems stuck at 1/2 (or should I say 2/4..), seemed fine a few weeks ago |
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| potomacmidget |
 Sep 24 2016, 09:29 PM
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I gotta have more cowbell....  Group: Members Posts: 161 Joined: 27-March 11 From: Maryland Member No.: 12,860 Region Association: North East States 
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Hi All,
filled up the other day and it appears that my gas gauge wont' budge past 1/2 full. Any ideas how to trouble shoot? Sender unit, float stuck, etc.? Any advice appreciated. Car is a 1971 D Jet - all original. thanks! Reg |
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| euro911 |
Sep 24 2016, 10:27 PM
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Retired & living the dream. God help me if I wake up! Group: Members Posts: 8,849 Joined: 2-December 06 From: So.Cal. & No.AZ (USA) Member No.: 7,300 Region Association: Southern California
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The sender is basically a variable resistor that varies the voltage to the meter as the float moves up or down.
Look at the wiring diagram. If you have a VOM (Volt/ohm meter, or multi-tester), pull the connector off and jot down the the resistance readings at the prongs on top of the sender unit. IIRC, it should have less resistance when the float is all the way at the top, allowing full deflection of the meter when the tank is full. You can short the resistor terminals on the plug to simulate 'full' and 'empty' levels to determine if it's the gauge or the sender gone awry. |
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Posts in this topic
potomacmidget fuel gauge seems stuck at 1/2 (or should I say 2/4..) Sep 24 2016, 09:29 PM
RickS Just had the same issue and was a bad sender. Sep 24 2016, 10:45 PM Mblizzard Never under estimate the information that removing... Sep 25 2016, 05:11 PM Dave_Darling The float is probably sticking on the wires in the... Sep 25 2016, 11:36 PM
michael7810 Mine did that after sitting for 3 months. It fixed... Sep 26 2016, 06:25 PM |
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