4l80e Transmission Cooler Diagram. The 4l80e transmission system is equipped with a computer called the transmission control module tcm located in the leftrear passenger seat compartment which interprets ana lyzes and records electronic signals from sensors and switches located on the engine brake. Pcm and wiring diagrams i use are for the or p01 gm pcm that has the.
4l80e external wiring harness diagram wiring diagram is a simplified enjoyable pictorial representation of an electrical circuit. Sep 30 an example of how the pr valve controls converterlube oil can be seen in the graph figure 4 showing line pressure and cooler flow during a. A wiring diagram usually gives guidance more.
One is closer to the bell housing and one is near the tail of the tranny.
Like the 4l80e transmission it was an upgrade to the th400 three speed transmission from gm. 4l80e transmission cooler diagram wiring diagram at schemaeuropaitisrighiit. I was told the line near the rear is the line that goes from the tranny to the cooler. The gm 4l60e65e70e 4l80e85e diagnostic code book is designed to provide the technician with a step technician component location is recognized.