03-07 Swap Harness for LS1 Vortec T56 4L80E 4.8 5.3 03-07 DBW 18 add length

ApplicationCompatible For CHEVROLET, GMC, CADILLAC AND compatible for HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH 4L80E TRANSMISSIONS 2003 - 2007SpecificationCondition: NewFitment Type: Direct ReplacementPackage size(cm): 33.5*30.5*14Package weight(kg): 3.1Package Includes:1 x Wiring Harness (Showing as the picture)Warranty: one year warranty for any manufacturing defectFeaturesFully tested under extreme condition for stable performance and long time use.18" added length: harnesses are long enough for easy computer mountingUpgraded wire built with high quality material: can work any size injector without problems1200 degree fiberglass braid on all circuits runs through heatThis is a complete wiring harnessAll wires match Color Codes60-AMP relaysSlidable grommet on the harness: for desired mountingFactory has done a test for Harnesses before shipmentNote*The harnesses are for non-emissions equipped vehicle*Even if your car is shown in the compatibility, pls also double check the fitment details and photos before ordering.*No Instruction Included, professional installation is highly recommended.