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Thread: 89 ls1 swap questions

  1. #1
    Join Date
    Aug 2009
    Location
    brunswick
    Posts
    25

    Exclamation 89 ls1 swap questions

    ive started my swap on my 89 and ive removed my old motor and tranny and i started to remove all the wiring that went to my old computer and i was wandering what wires i need to keep like fuel pump relay, any hot wires or whatever is needed to wire up to the new harness? also what wires will i need to keep on the harness that comes out on the driver side firewall?

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    New harness? Who made the harness?
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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