Check the ground from the battery negative to the body. The wire can corrode inside the connector and look OK from the outside. Use a jumper cable from the battery negative to something mounted to the body (horn, starter solenoid).
"Spdloader" wrote in news:a0u7h.44349$ snipped-for-privacy@southeast.rr.com:
My SWAG is that the sender worked fine until you disturbed it and now it is bust, but that's just my SWAG. As you saw when you pulled it out it is just a length of fine wire wrapped around a bit of card. The fuel gauge circuit goes something like this:
For yours, the higher the voltage seen by the gauge the higher the needle indicates. If the ground is faulty or completely open the gauge won't see any voltage and will just sit. You can check the ground straps from engine to body and engine to frame (the fuel sender gets its ground from the frame, not the body) but I'm guessing that if you haven't seen other electrical problems then chasing the ground won't yield anything useful.
I think that you're going to have to drop the tank again. You'll need to do that anyway if you want to check the ground connection.
Troubleshooting guide:
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