Ta Fuel Pump Wiring Diagram. Switched by the ecu not manually by the user through a 30 amp relay. Wiring diagram 94 chevy s10.
The other trigger wire at the relay goes to ground. A friend of mine has a 92 zzr1100 zx11 with a 4 pin fuel pump relay. 28 pin 631 earth pin 3c connection to airbag control unit only on cars where passenger airbag can be disabled pin 1mot connection to crank sensor.
Su electric fuel pump list by car model su electric fuel pump manual.
Fuel pump relay working properly vehicle on. Battery power to pin 30 on a relay pin 87a connected to the fuel pump. Fuel pump relay working properly vehicle off. Otherwise you may need a shop manual to find out everything in that circuit.