Having problems with your Ford Mustang ?

There's two relays one for EEC and one for fuel pump.

Posted / edited by AnonymousUser on : 12-04-2021

Answers :

That's right and the ecc relay turns on the fuel pump relay. What do you want to know? If the fuel pump doesn't work? First make sure, remove the fuel filter with a pan under it and turn the key on and off and see if the fuel pumped out. If it came out like crazy, then your OK with the pump, not at all, then the crash switch (inchira Switch) ( next to the trunk lid hindge, drivers side) needs to be reset ( push red button), there's just two wires going into the switch. Ground the end of your test light (ice pick device with a light bulb in a clear handle, with a ground wire coming out of the handle with a clip on the end). Look for power at the switch, Watching the light cycle the key and or crank momentarly and the light should light, test both wires as if the switch is in the run position they'll both show power. Just one wire then pust the red button ( makes a loud click ) then try it again. Let's say you asked abut the relays for some other reason, ( but if the fuel pump runs they both are working). I'll need to know the year of the car and the engine it came with 3.8, 4.6, 5.0 or any number of engines if older. But no relays for the fuel pump before 1980 except the turbo 2.3. yeah you need to tell more about the problem and the year and engine and even major options and why you need to fix-it.
Repair Help & Product Troubleshooting for Ford Mustang

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