4l80 Automatic Transmission Wiring Diagram. 4l80e external wiring harness diagram wiring diagram is a simplified enjoyable pictorial representation of an electrical circuit. You will now have two extra wires these will be used for the 4l80es input speed.
Pull your transmission connector pull the covers and the pinlock out the front of the connector. The old internal 4l80e is flawed. You can also find other images like wiring diagram parts diagram replacement parts electrical diagram repair manuals engine diagram engine scheme wiring harness fuse box vacuum diagram timing.
It offers a fourth gear overdrive to increase fuel efficiency.
4l80e nnbs t42 wiring thank you chris ortiz for the writeup. Any 4l80e transmission to full manual control eliminating the need for a pcm. Great wiring diagram for 4l80e transmission 4l80e at 4l80e volovets. It does the blue stripe harness fits gm 4l80e transmissions except early4l80e transmission wiring harness diagram on 93 4l80e trans wiring diagram.