Hello, I have a 1986 xl bronco (basic work edition, bottom of the line) The engine is the electric fuel injection, 302 5.0L. I have recently had problems with not getting electrical fire on the spark plugs. The coil IS getting power. I checked with a test light. Also, the fuel pump(s) do not prime, nor run alltogether. Although I took the fuel pump out and straight wired it and it ran. I reinstalled and reset the fuel pump cut off switch but problem still exists. I assume it is the EEC relay and I do believe the fuel pump relay is tied in with the EEC relay which would cause both the loss in spark and the faulty fuel pump if I am not mistaken. (Note that I did disconnect the fuel pump connector and put a test light in the power connector for the fuel pump and no action) Right now I am stumped on where the relays are, I have added the vehicle to my alldatadiy. Com and cannot find a applicable picture to find it, so any clue on where the relays are and if this may be the problem or if it is not the problem, any ideas? Thank you.
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Thursday, October 14th, 2010 AT 3:34 PM