1999 - 2003 Vortec 4.8 5.3 6.0 Standalone Wiring Harness DBC T56 5056 Th350

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1999 - 2003 Vortec 4.8 5.3 6.0 Standalone Wiring Harness DBC T56 5056 Th350


  • Application: '99 - '03 Vortec 4.8, 5.3, 6.0 Engines with Mechanical Throttle Body and T56, TH400, Th350, 700R4, 200-4R or any Manual Transmissions Transmissions
  • Parts Included: Complete Engine and Transmission Wiring Harness including all engine and transmission sensor connectors, ALDL Connector, 7 ATO Style Fuse Block, Fuel Pump Relay, Switched Power Ignition Relay, Cruise Control Wiring, Performance Shift Mode Wiring, MIL Light Wiring, P/N Wiring, TCC/Switch Wiring, Tach Wiring, Complete Detailed Instructions.
  • Description: These harnesses are designed for '99 - '03 Vortec retrofits into older muscle cars and street rods or newer non-emissions controlled vehicles. They completely plug and play with switched power, constant power, and ground connections required. Harnesses allow for installing the PCM underneath the dash of your vehicle with a sliding grommet seal for that professional leakproof look. Harnesses are professionally constructed from Brand New GMDelphi 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.