The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - LS wiring harness combining wilth old 72 Jimmy

David623 · 01-10-2015, 10:52 AM

I am putting a 99 Silverado 5.3 and tranny into my Jimmy, I have the wiring harness and the pcm from the donor, but I will have to replace all the original wiring from the Jimmy looking for information on vendor or person that does the retrofit.

01-10-2015, 10:52 AM	#1
David623 Registered User Join Date: Oct 2012 Location: Plymouth In. Posts: 100	LS wiring harness combining wilth old 72 Jimmy I am putting a 99 Silverado 5.3 and tranny into my Jimmy, I have the wiring harness and the pcm from the donor, but I will have to replace all the original wiring from the Jimmy looking for information on vendor or person that does the retrofit.