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Hey guys, I have a 2007 Colorado with the 2.9L manual transmission and 4 wheel drive. I'm in need to replace the engine as it has low compression and rattling timing chain.
I found a 3.5L engine out of a 2005 Canyon with an auto transmission and 2wd for a very good price. It comes with the wiring harness and ECU but since it's an auto 2wd the connections are quite different.
Does anyone know if it's possible to either splice in my wiring from the 2.9l to the harness on the 3.5l for the transfer case or do i need a whole new wiring harness? If so would i need the wiring harness from a 2007 colorado with the 3.7 auto 4x4 or what?
Thanks in advance! (any suggestions welcome)
 
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