Fuel Shut-off Solenoid Relay: Description and Operation

Fig. 3 Fuel Cut-Off Relay Location:

The fuel cut-off relay is an electronic relay located behind the fuse panel. It provides the fuel pump with power whenever it receives ignition pulses from the primary ignition circuit.

Fuel Cut-Off Relay:

Because it relies on the ignition pulse rather than a steady voltage, the fuel pump will not run unless the engine is running or being started.