2002 Gt To 2004 Terminator Swap

Matt Boyd

New Member
Apr 26, 2017
There are so many threads it is difficult to search and find what we need. My son bought a 2002 GT when he got his license. He saved $$ and wanted to do a Terminator swap. A buddy of mine that has a shop is helping us. We have put a 2004 Cobra motor and a T56 transmission in a 2002 Mustang GT that was an automatic car.

We are basically down to the wiring. I have heard that there are several ways to complete it, but we don't want to screw something up or have to go back. I hate to switch out all of the wiring harnesses in the car. I have heard that you can use all GT wiring and the GT ECM; swap COP polarity; and .......... I have also heard that you can use the Cobra engine harness and ECM and must add a couple of wires under the dash.....

Any help would be greatly appreciated!

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