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Old 08-10-2018, 09:00 AM   #34
v30crewcab
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Join Date: Apr 2012
Location: Chatt Tn
Posts: 957
Re: 1973-1991 Dual fuel tank systems theory of operation

ok, so it should still be switching without the fuel pumps in the loop? I've got power and ground at the switch, but the valve is not switching, even with a new switching valve. I'll have to investigate more. Thanks.
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205
86 k30, 89 diesel burb, 76 gmc pathfinder
71 longbed 5.3 4l80
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