4L80 PCM and Wiring Harness Info - The 1947 - Present Chevrolet & GMC Truck Message Board Network

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4L80 PCM and Wiring Harness Info

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04-22-2015, 08:11 PM	#2
MalibuSSwagon Registered User Join Date: Sep 2009 Location: Weare,NH Posts: 1,593	Re: 4L80 PCM and Wiring Harness Info If you are using the stock PCM it will control the 4L80E with the correct programming. You just need to either repin the 4L60E connector for the 4L80E or use the factory harness. __________________ Eric 1992 Oldsmobile Custom Cruiser 1986 Chevrolet C10\|5.3L\|TKO600\|Shortbed\|Custom Deluxe 1983 Malibu Wagon\|TPI 305\|T5 5 speed\|3.73 non-posi

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