replace integrated fuel pump relay and other components if needed. If you have power at pin 30, jumper the relay socket as shown with the red line above, and check the dark green w/ yellow stripe wire at the fuel inertia switch for power. All broken traces were repaired, faulty relays were replaced with high quality new. If not pull the fuel pump relay, and check the pins in the relay socket, pin 30 should be the power from the fuse.
Well, every relay has two basic circuits and for the purpose of our discussion, we'll call them:īoth of these are completely independent from one another, in other words, voltage/current flowing thru' these circuits don't mix. If you jumper the fuel pump relay, you should hear it run. The core purpose of a relay is to control a high amount of current with a smaller (lower) current. thanks for your answer davejhm i removed the fuse/relay junction block and the fuel pump relay is inside the block looks like it is soldered to a circuit board. The relay ran me 17.99 shipped from ebay and I got it within a few days. They call it a non serviceable relay which basically means its soldered onto the board and the mechanic is not going to take the time to solder a new one. This section isn't mandatory reading to test the relay, but I know a lot of folks dig some working theory (I do myself when researching anything on the Internet) and so this section is for you. The fuel pump relay is integral to the Central Junction Box, and is not servicable, according to the Ford shop manual. It is actually the soldered fuel pump relay in the middle on the inside of the fuse block. You'll need two of them with alligator clips on both ends (you can make these yourself).If you need to buy one or are looking to upgrade, check out my recommendations here: Buying A Digital Multimeter For Automotive Diagnostic Testing.A digital or analog multimeter will work.You need a few basic things and they are: This relay is used for the PCM, fuel pump, fan motors, and a bunch of other stuff. You can find this tutorial in Spanish here: Cómo Probar En Banco Un Relé De Ford (Relé Grande) (at: ). What Tools Do I Need To Test The Relay?.
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