when a fuel pump relay is bad

Thesecond half of the relay is the "switch" that controls power to a particular accessory like a fuel pump or ignition system. In short, when the primary side of the relay (electromagnet) is activated, it closes the contacts (switch) to supply power to operate the accessory. the accessory is bad and needs to be replaced. Some relay's can 20032500. Where are the fuel relays? - Sierra GMC Cars & Trucks Theremay be a fuelpump relay in one of the underhood fuseboxes. You can try some searches for 1988 F150 fusebox diagrams to find the location of the relay. The reset of the inertia sensor (safety switch) was a good try but if the fuel pump relay is bad, there will be nothing to reset because there will be no power. Step2 - Check the fuel pump fuse/relay. In the engine bay you will see a fuse/relay box to the right of the battery. Remove the box lid and read the diagram on the bottom side. Locate the E.F.I. fuse. Visually inspect the fuse for an unbroken connection. Inthis video I go through the procedure to diagnose and solve a faulty fuel pump relay that was causing a hard to start C4 Corvette. Atm Online Lừa Đảo.

when a fuel pump relay is bad