APPLICATION: 2003 - 2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH T56, MANUAL OR NON-ELECTRONIC AUTOMATIC TRANSMISSIONS (TH350, TH400, POWERGLIDE, 700R4, 200-4R).
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, Manual or non-electronic automatic transmissions (TH350, TH400, Powerglide, 700R4, 200-4R) into older muscle cars and street rods or newer non-emissions controlled vehicles. Harness allows use of the factory Vortec intake manifold and multec injectors with flex-fuel injectors (EV6) optional. They are completely plug and play with four wire hookup (switched power, constant power and ground connections required). Harnesses are designed with a sliding grommet seal and 4 - 5 feet of length from the rear of the cylinder head to the PCM mounting position under the vehicle dashboard. A sliding grommet seal allows for professional, leak proof installation.
Harnesses are professionally constructed from Brand New GM Delphi Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications. All harnesses are 100% Quality Inspected prior to shipping. Note that harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions. All harnesses require PCM VATs removal, available through PSI. Please contact PSI for more information.
ADDITIONAL ITEMS REQUIRED: GREEN/BLUE PCM (SERVICE NUMBER 242 or Equivalent with Truck Tune), PSI P/N PCM-1005, VORTEC TRUCK TAC MODULE, VORTEC TRUCK PEDAL