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Old 06-13-2011, 01:47 PM   #1
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swap 2.5 to a 4.0

If I swap a 4.0 in place of the 2.5 is the wiring harness the same?I know the pcm needs replac

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Old 06-13-2011, 01:49 PM   #2
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You can splice into the harness but there is alot more to swapping it than the harness

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Old 06-13-2011, 03:26 PM   #3
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if you don't have a lot invested in your jeep it's easier and likely cheaper to trade it in.
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