Compatible Models and Years: - For 2003-2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH 4L80E TRANSMISSIONS. Specifications: Specifically designed for 4l80e dbw standalone applications, this wiring harness boasts a 12-14 volts capacity. The inclusion of green/blue PCM and fuel injector connectors ensures seamless compatibility. making it the ideal choice These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and 4L80E transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles. .
