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Old 04-22-2024, 08:14 AM   #17
Dleslie212
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Join Date: Sep 2019
Location: Scottsdale Arizona
Posts: 114
Re: 1973-1991 Dual fuel tank systems theory of operation

Is itnpossible to wire these in such a way that return goes to the incorrect tank? I've verified my return lines aren't crossed, but when I fill both tanks, the tank that I DONT currently have selected starts spewing fuel from the fill port. I just completely rewired the truck, so wiring is the only thing I can think of
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