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Discussion Starter · #1 ·
the gas gauge in my 85 chevy is not working it always reads empty. I think it is a power wire but if I take the fuse out and put it back in the gauge will move and work for a few sec.:confused: :confused: help!!!!!!

Thanks
Stephen
 

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If it works when you wiggle the fuse at it's connector then you probably have a bad connection there. Pull the fuse block and check the pins at that fuse. They may be loose or corroded. It's most likely a simple fix.

If that doesn't solve your problem, unhook the fuel gauge sending unit from it's wire harness at the tank. Verify proper voltages with a DMM. If the power wire checks out OK another wire or the sending unit itself may be at fault. If the other wires check out OK pull the sending unit and bench test it. The FSM for your truck should give you all the necessary specs you need.
 

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Roxywheels said:
If it works when you wiggle the fuse at it's connector then you probably have a bad connection there. Pull the fuse block and check the pins at that fuse. They may be loose or corroded. It's most likely a simple fix.

If that doesn't solve your problem, unhook the fuel gauge sending unit from it's wire harness at the tank. Verify proper voltages with a DMM. If the power wire checks out OK another wire or the sending unit itself may be at fault. If the other wires check out OK pull the sending unit and bench test it. The FSM for your truck should give you all the necessary specs you need.

just a guess here, but someone forgot to log roxy out before posting??
 
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