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  • November 25, 2024, 01:44:24 AM

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Author Topic: no power to ecm  (Read 2034 times)

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Offline 88formula

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no power to ecm
« on: September 18, 2015, 12:47:43 PM »
I've got an 82 sx4 4.2L. Everything is factory, and the ecm is inoperative.... I've looked up wiring diagrams, but none of the pin outs are the same, and the wire cool doesn't Mach!  Where is the ecm supposes to vet it's constant 12V from? Where is there a wire diagram that matches my ecm? All I CAN find is this one.

I DO have power at the idle speed vac solenoid, but I can't make out what color the wire is supposed to be that goes to the ecm or where "P115 B" is at. AND I can't really read what the pins Are supposed to be at the module itself. :banghead: :banghead:

If anyone knows me about this system and wants to help, I would be soo relived.
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