S15 Fuel Pump Wiring Diagram. S10 fuel pump gray lead wire not working l 2nd gen 4 banging. Ecm b powers the fuel pump relay the engine computer and other components.
1988 28 fuel pump wiring diagram. Engine control wiring diagram 1982 83 federal emissions. There is anotherthread on the forum that describes how to re wire your fuel pump so it recieves the full 138v that comes direct from your battery.
If you use a jumper wire with inline fuse to battery the pump should run no need to use the key.
Electrical connections terminals 1 and 2 are the pump coil connections. You jumper a wire between the power and pump terminals in the box. This will be the third fuel pump put on thi truck. Access our free wiring diagrams repair guide for chevy s10 s15 and gmc sonoma pick ups 1982 1993 repair manual through autozone rewards.