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Thread: Efan PCM Pin Out

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  1. 07-27-2008 02:37 PM #1
    jtaliaferro
    jtaliaferro is offline Member
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    Efan PCM Pin Out

    I have built my harness form schematics found on the internet and all fans a functioning perfectly when relay wires are grounded.

    My question is, what pin and on which connector do I need to add a wire to for the pcm will trigger my relay?

    The Harness and PCM are from a 2003 5.3l silverado
    Last edited by jtaliaferro; 07-27-2008 at 02:39 PM.
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