Wiring Harnesses, Transmission Control Harness, CORE ECU, 4L60/4L60E, 4L80/4L80E, Each
HP Tuners CORE Transmission Control Harnesses CORE ECU is HP Tuners debut standalone engine management solution, delivering superior control over your powerplant with many features that go beyond the constraints of factory ECUs. HP Tuners offers several wiring harness options to mate with their CORE ECU. Their CORE transmission control harnesses are 3 ft. in length and terminated with one or two connectors, along with labeled open leads. Choose the one needed for your build.