1987 CHEVY TRUCK FUEL TANK SWITCH WIRING DIAGRAM

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WIRING DIAGRAMS DESCRIPTION J 1T - 73-87ChevyTrucks
4. At location M13, wire 150A connects to pin C of the six terminal connector. 5. 150A at location M13 mates to wire 150E, which is addressed J13. 6. At location J13, circuit 150E is the ground wire from pin C of the servo connector. 7. Wire 1508 is located at P4
Newbie with Fuel Pump and Gauge issue 1987 R10 dual tanks
Nov 29, 2014The valve is motorized and typically will make a brief ratcheting sound as it switches between tanks. The valve not only switches the fuel tank lines, but simultaneously switches the fuel gauge between the tanks. Power to energize the tank selector valve and the selected fuel tank pump is controlled directly by the dash switch.
Dual Tanks Switch Valve? - 73-87ChevyTrucks
May 07, 2019I changed both tanks, senders, selector switch and valve. Still only the right tank works, it doesn't matter what I try, the fuel gauge will only read the right tank and it will not pull from the left tank. The wiring harness on the valve looks to be in good shape, all good clean connections. The selector switch in the truck looks to be the
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