LS Standalone Engine Harness Gen 3 97-06 w/ Cable Throttle and 4L60E 4.8 5.3 5.7 6.0. This harness requires a Gen 3 ECM with the red and blue connectors. Includes power distribution fuse block and relays. Please confirm that your engine connectors match the connectors in the photos. 

SPECIFICATIONS IN PHOTOS

Please read our shipping and warranty info before ordering.

Fits Vortec 4.8, 5.3, 6.0 engines 1997-2006 with EV1 fuel injector

and 4L60E transmission.