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Power Strokes
7.3 Tech
Great issues
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[QUOTE="6.0 Tech, post: 1550310, member: 23001"] Ok, so with both the control sides (small wires) disconnected off the glow plug relay they have continuity between them, without them touching the gpr? That typically means they’re shorted together. However, goofy **** happens in the pcm, so you should unplug the pcm when doing the continuity check. Also, ohm readings should always be taken on an unpowered circuit, otherwise it reads wrong. I would need to look at a wiring diagram to tell you which pins on the pcm are for the gpr. However, even with the screwy ohm readings, it could still be something not telling the pcm to turn the relay on. I don’t remember off the top of my head what that is, but I would guess it’s either iat, eot, or ect, or a combination of the 3 after it does a check to make sure one isn’t really off. (I can’t for the life of me figure out what one word I’m looking for to take the place of the 5 words I had to use on the description). Sent from my iPhone using Tapatalk [/QUOTE]
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