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  1. 04-29-2012 04:03 PM #1
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    The PCM supplies ground for the relays. You can add a relay to provide ground to turn the fan on.

    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  2. 04-29-2012 09:07 PM #2
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    cottontop11
    cottontop11 is offline Senior Member
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    Quote Originally Posted by RedHeartbeat View Post
    The PCM supplies ground for the relays. You can add a relay to provide ground to turn the fan on.

    I was looking over my np e fan harness and it doesnt have a wire to land to red 33.
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