2004 Mustang GT-ecu/chip questions.... - Ford Mustang Forum
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post #1 of 2 (permalink) Old 03-11-2010 Thread Starter
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2004 Mustang GT-ecu/chip questions....

i just bought a chip for my 04 gt and their saying you remove one of the harness connectors and then plug the chip into that and then re-install the connector....my only question is where the hell is that unit that it pluges into??

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2004 Ford Mustang GT
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post #2 of 2 (permalink) Old 03-11-2010
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First off why a chip for an 04, when you can flash it with an SCT X3 or X-Cal 2. But if you really want to install the chip, the ECM is behind the right side kick panel. After you get it out, there's a panel on the back of the ECM. Remove the prom, then replace it with the new prom. Make sure you clean both sides of the board with sand paper, but be careful doing it you just want to clean the gel off until you see the copper strips. Place the new prom in place, then try to place the plate back on. It may noot go on, if you bought it new you'll have instructions just follow them to the wire. Don't forget to make sure your connections are clean, Mike. SCT Tuner.

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