A Transmission Harness connects the hydraulic control system of a transmission to the vehicle's electrical system. The transmission harness for hydraulic control consists of electrical wires with connectors at each end. One end of the harness is connected to the hydraulic control module or solenoids of the transmission, while the other end is typically plugged into the vehicle's wiring system.Attributes:• Protected by insulation or conduit. • Withstands vibration, abrasion, and moisture.Applications:A Transmission Harness is used to control various functions of the transmission, such as gear shifting, torque converter lockup, and other hydraulic operations.