Re: 1983 GMC pickup fuel problem
Yep, sure enough it was the fuel tank selector valve. I set up a simple circuit to bench test the solenoid and got nothing. Picked up a new one today ($113! Yikes!), plugged it in, and turned the ignition on. IMMEDIATELY get gauge readings from both tanks. Slapped it back together (those tank to valve fuel lines were a real pain to put back), poured a little fuel in the float bowl and fired it up. Runs like a charm now. At least I didn't have to drop the tanks. Thanks for the help, y'all!
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