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Thread: Need IAC wiring mojo

  1. #1
    Fuel Injected!
    Join Date
    Oct 2012
    Age
    49
    Posts
    132

    Need IAC wiring mojo

    68 Camaro, 5.3/4L60E swap from a 2002 DBW truck. Has been converted to DBC, but the IAC is miswired. More steps = lower idle.

    ECU is shoved under the dash so that it can't be seen, guy who brought the car says "it'd take an hour to unscrew the connectors if I had my tool box."

    Anyone with GM 4 wire IAC theory? Does polarity matter between the two coils?

    Not my problem, but I would like to help the guy out within the limited time frame the car is here today. Thanks!
    There is no mechanical problem so difficult that it can not be overcome by brute strength and ignorance.

  2. #2
    Administrator
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    May 2011
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    Lakes Region, NH
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    Swap any two wires at the IAC and it will work correctly.

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