Where Is the Fuel Pump Relay on a 2003 F-150?

Answer Ford uses a fuel pump relay to control the fuel pump assembly in its 2003 F-150 series trucks. The relay receives low amperage battery voltage through the powertrain control module, which energizes... Read More »

Top Q&A For: Where Is the Fuel Pump Relay on a 2003 F-150

What Is a Fuel Pump Relay?

Almost all cars use some sort of relay to activate the fuel pump. Relays take the low-voltage current applied by a switch and use it to close the high voltage circuit required to run a connected d... Read More »

What is Fuel Pump Relay?

A fuel pump relay is a switch to activate the fuel pump when a car engine is first turned on. Problems with a fuel pump relay can make it difficult or impossible to start the car.References:AA1Car:... Read More »

How to Diagnose a Fuel Pump Relay?

The fuel pump relay is part of the fuel pump and sending unit. The relay itself is a small electrical device with four to five prongs that connects to the battery, the fuel pump and the sending uni... Read More »

How to Replace a Fuel Pump Relay?

The fuel pump relay on your car is a special switch that controls the flow of electrical current between the ignition switch and the fuel pump. Electro-mechanical relays have movable contact points... Read More »