Wiring Diagram 4l80e Transmission Solenoid. These transmissions are fully electronic and will not shift automatically without a transmission control system connected to it. This gm transmission control unit tcu system is designed to be used with the following transmissions.
4l80e transmission solenoids switch wire harness sensors kit fits 95 03 original equipment ac delco. The connectors must be keyed correctlyfor proper transmission operation see the diagram below for details. Injunction of 2 wires is usually indicated by black dot in the junction of two lines.
Pre 1993 4l80e transmissions use a different internal wiring harness and pass through connector.
4l80e transmission external wiring diagram wiring diagram 4l80e transmission wiring diagram wiring diagram arrives with a number of easy to adhere to wiring diagram instructions. To wire the 4l80e transmission to the gpio board you need to make a number of connections. Transmission wiring diagrams please. Connect both tss cables according to their labels.