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Old 12-17-2012, 11:36 PM   #89
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Originally Posted by illinipo View Post
You need to swap all 3 wiring harnesses if you swap to the mtx ecu. a few of the pins in the ecu pinout are different.
What exactly do you mean by all 3 wiring harnesses? I'm getting ready to swap from 2002 Auto SPI to Zetec 5 speed. I have found a 2003 zts 5 speed as a donor car. Will I need to replace the wiring under the dash as well as the engine and transmission harness?
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