Chevy Fuel Tank Selector Wiring Diagram. 1987 chevy s 10 fuse keeps ing ecm truck was running just. Tank selector valve ac delco u7000 or 70001 gm square body 1973 1987 truck forum.
Fuel tank selector switch wiring diagram wiring diagram is a simplified all right pictorial representation of an electrical circuit. Zif you do hear it sounding the switch your tank unit for that one tank you try to switch to is a fault. Figure 1 wire coding the wiring diagrams in this manual use a format which reduces the number of lines on a schematic byshowing each wire connection at the terminals and components but only one wire for the wiring harness.
Run 12 volts to the positive side of the fuel pump wiring to see if pump is good.
Installing electronically controlled fuel tank selector valve 1988 size. One wire goes to the selector valve. 1987 r10 silverado 350 v8 with dual tanks. Circuit identification for wiring diagram.