1987 Chevrolet Custom Deluxe Repair Question
Chevrolet Custom Deluxe Fuel tank Problem
take the wire to the sender at the tank unit. remove it from the connector and it should go to either full or empty. ground the wire and it should go the other way.
this is a sweep test. if it does it, then the sender is bad. if not, then either the gauge or wiring is at fault
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