The core purpose of a relay is to control a high amount of current with a smaller (lower) current. Relay Basics: How The Fuel Pump Relay Works * Your specific Ford vehicle may have different colors. You will be able to use the info in this article to diagnose the fuel pump relay on your Ford vehicle even if the colors of the fuel pump relay connector's wires are different! Ford Fuel Pump Circuits This is no big deal, since the circuit descriptions are the same. IMPORTANT: Your specific Ford vehicle may not have the exact same colors listed below. The Ford fuel pump relay has 4 wires that connect to it.Įach wire has a specific job to do and these are their circuit descriptions:
#1998 FORD F150 FUEL PUMP DRIVER MODULE LOCATION HOW TO#
The following tutorial may be of help: How To Test The Fuel Pump (Ford 4.9L, 5.0L, 5.8L) (at: ). If it has already been replaced with an after-market one, this relay won't be green, but will have a gray body. If your fuel injected Ford pickup, van, or car still has the Ford relay, this bad boy will be a green color (like the one in the image viewer). You'll be able to find out if the fuel pump relay, or the fuel pump Inertia Switch, or the fuel pump is the cause of the No Start Condition on your Ford car or pickup. With the help of this ‘How To’ tutorial, I'll show you how to do it using only a multimeter.
Testing the Ford fuel pump relay on the car is not that hard to do.
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