Fuel sender

Chub380 said

Thanks will do that grounding strap is still I place I used that to ground the blue wire on the sender

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That then points to bad sender, but easy and worth a try.

There are 4 failure modes with the actual sender

1. The resistance wire is broken
2. The sweep is broken, or warn down to nothing and no longer making contact to the resistance board
3. The float is full of fuel
4. There is a mechanical blockage preventing the float arm from moving