Amazon.com: Standalone Swap Wire Wiring Harness 4L60E DBW for Chevy for GMC for LS for LS3 Engine Vortec 8 Cylinders 4.8 5.3 6.0 EV6 Injector 2003-2007 (Drive by Wire), NOT Suit for EV1 : Automotive
Drive By Wire Vortec 4L80E Stand Alone LS Swap Harness H355
2003-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire | Painless Performance