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Wire harness i wrecked my 2000 silverado 1500. i found a 2003 parts truck, it was a suburban. it had the 5.3 and i had the 4.8 so i decided to switch motors too. i put the motor, ecm, entire dash assembly, pedals(because the 5.3 had electronic throtle control), and all the wiring that went with. my problem is that my trucks original wiring for the interior wont match up. abviously since it was a suburban that wire harness would have alot that i wouldnt need. can i just not plug some of it in? what about the airbags? my doors wont match up either. they are both male end plugs now to male end plugs from the new dash wiring. also will i need to get a new ecm from a silverado instead of the one from the suburban?

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