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Thread: 4l60 to 4l80 conversion harness

  1. #1
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    4l60 to 4l80 conversion harness

    Were can I get a harness for this conversion? I heard Allen had them but theres nothing about it on his site.

  2. #2
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    Speartech has them. Speed engineering used to have them. I don't know if they still sell them or not.
    2000 RCSB forged ls1, 4l80e, t-76
    10.93@124 1.58 60'

  3. #3
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    Quote Originally Posted by quicksilverado View Post
    Speartech has them. Speed engineering used to have them. I don't know if they still sell them or not.
    Nothing on Speartechs site and nothing on Speed Eng. they stopped making the swap parts I think.

  4. #4
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    Call speartech, they will let you know how much it is.
    2000 RCSB forged ls1, 4l80e, t-76
    10.93@124 1.58 60'

  5. #5
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    thought i read you can just repin the harness

  6. #6
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    I think it's the same connector with wires in different places so Quik is probably correct.

  7. #7
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    Quote Originally Posted by GasGuzzler View Post
    I think it's the same connector with wires in different places so Quik is probably correct.
    probably you say?

    4L60E to 4L80E Wiring Swap - PerformanceTrucks.net Forums

  8. #8
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    That's as strong as I could get without research George. Thanks for the link. ^^^^

  9. #9
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    Quote Originally Posted by GasGuzzler View Post
    That's as strong as I could get without research George. Thanks for the link. ^^^^
    trust me if theres a way i can rewire im doing it. buying a harness for me just doesnt float my boat.

    hope this link helps some.

  10. #10
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    repin and add one additional speed sensor pickup.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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