DRIVE BY WIRE DBW 03-07 LS3 Vortec Standalone Harness Drive by wire T56 4.8 5.3 6.0 DBW non electric

WARNING WARNING THERE IS NO REVERSE LOCK OUT WITH THIS HARNESS 03-07 LS VORTEC STANDALONE WIRING HARNESS DRIVE BY WIRE T56 NON ELECTRIC 4.8 5.3 6.0 EV6  FREE ADAPTER Connectors TO CONVERT HarnessTO EV6 Injectors IF NEEDED.  No one else includes the connectors. Please put in the buyers notes if you need Ev6 connectors. If you forget we have to charge $12.95 later for shipping and handling FOR DRIVE BY WIRE THROTTLE BODY ONLY APPLICATION: 2003 - 2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH T56. PARTS INCLUDED: Complete Engine and Transmission Harness, Instruction Manual NOTES: These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and T56 Harness allows use of the factory Vortec intake manifold and multec injectors with flex-fuel injectors (EV6) optional(Ev6 plug and play adapters request in buyer notes). . They are completely plug and play with four wire hookup (switched power, constant power and ground connec