Replace Part Number: 24298757 2429-8757. Function: If the wiring harness of the automobile gearbox is damaged, it will cause faults such as poor contact, signal interruption, open circuit, and line-to-ground short circuit. After the transmission computer detects it, it will ''enable emergency mode'', that is, ''lock gear''. Impact, weak starting, inability to drive at high speed, high engine speed and low speed, and significantly increased fuel consumption. Fitment: Fit for Chevrolet Colorado 2020-2021 Fit for GMC Canyon 2020-2021. Note: This Wiring Harness is not original parts, the mention of brand names and any related model designation above is only for purposes of demonstrating compatibility. NO installation instruction and recommend professional installation.