99-02 harness with '04 PCM?
#1
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Join Date: Mar 2006
Location: Dallas, TX
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99-02 harness with '04 PCM?
I found a real good price on a Painless 99-02 stand-alone harness but my donor PCM came from a '04 LS1. Can it work or would I have to find the earlier PCM?
#5
TECH Senior Member
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Are you planing on running a cable throttle body with your swap? If so, unless that PCM you have is out of an 04 GTO, then you can't use it any way. You'll need a pcm with with the blue and red connectors. The 03+ Blue and green connector PCM are a 1 meg flash chip and don't have a driver for the Air idle motor you will need with the cable TB. They are all drive by wire. Jesse at Wait4Me Performance would probable trade you PCM for just the shipping cost.