Question about 1990 Ford F250
Sounds like a bad ground or short to the signal wire what you can do is trace the wires from the tank to the bulk head connector to check for brakes in the wire but first do a ohm test on the three wires with the key off there is resistance between the wire you have a short if not check for brake or corroded connections
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
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