Jester metal werx

got a 5.3 from 2000 silverado with computer need engine wiring harness or know someone who sells them

bustac

iTrader: (1)

There are few out there just google ls1 wiring one I have heard of is speedscenewiring. An aftermarket new harness is pretty pricey imo. There are some sold on ebay too. I'd get a factory harness and convert yourself or have it reworked speartech does them to your needs.

Jester metal werx

just found one painless makes one