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Thread: Nelson LS1 Fan Harness Problem

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  1. #1
    Join Date
    Jul 2005
    Location
    Azle , Texas
    Posts
    702
    Do not touch the blue wire to positive voltage it is a ground .
    The PCM acts as ground to activate fans .
    And not all relays are the same even thought they may have the same pin design .
    Last edited by Chevy366; 08-30-2008 at 10:43 AM.
    Now what is a tune again?

    Comp Cam 54-412-11 , Int:265, 212, .522 , Exh: 271, 218, .529 , LSA 114 , Longtube , CAI (Vararam) , TransGo HD2 shift kit , tuned by me with EFILive

  2. #2
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    Quote Originally Posted by use2bfo View Post
    Do not touch the blue wire to positive voltage it is a ground .
    The PCM acts as ground to activate fans .
    And not all relays are the same even thought they may have the same pin design .
    +1

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