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Re: GM 8L90 Wire Harness Replacement P0711
Posted to Technical Tips Forum on 7/19/2020 3 Replies

There is a TSB out now to help determine the correct part numbers for each half of the harness. Since, they went back to a 2 piece harness.

I have yet to see a one piece original harness, but I guess they could be out there. Login to read more.

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