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3

Neither of those diagrams would work the way you want them to. In diagram one power never reaches the lights as up to pin 86 is grounded. In diagram two power reaches the lights, but pin 86 is never grounded so the coil never closes. Try this. 85 and 86 are dependent on how the reverse light circuit works. If the circuit is normally grounded this ...


3

You can't do that either way you tried. You need power +86 from the reverse wire, and a suitable ground path +85 for the other side of the coil. You'll have to add wire and find bare metal or another ground wire somewhere. The coil provides a resistance, such that very little current flows through it. This is why the reverse lights didn't come on in the ...


2

The power in the in pins 1 and 3 proves that fuse 19 is OK and that the PCM will turn on PGMFI relay #1 and further that said relay will supply power to the fuel pump relay (PGMFI relay #2). It does not prove that the relay is good. My next tests would be apply power to Pin #2 and see if the fuel pump activates. If not repair the pump. If the pump works ...



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