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4T65E

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  • Electronics and Misc.

  • 4T65E and 4T65E HD (99+) N-Body Swap


    Electronics:

    Wiring:
    The only modification that should be required is lengthening the harness for the round 21 pin connector pack. Fortunately this does not require any splicing, just pull the tape off the harness and pull the wires down approximately 8-10”.

    PCM:
    The PCM will need to be reprogrammed as the stock programming in the N-Body will not properly shift your new transmission. Based off of the 3.29 ratio gearing, you will need to copy the transmission files based on the attached .bin file.

    02 Grand Am 4T65E HD.bin

    Misc:
    The bracket for the shift cable will need to be fabricated; the bracket in the following picture is from one of the GM Concept Cars.

    Click image for larger version Name: ShiftCableBracket.jpg Views: 1 Size: 90.9 KB ID: 424770
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