4l80e Transmission Wiring

Addition of a 4wd switch on all 4wd models.

4l80e transmission wiring. Wiring harness controller sensors. Gm recommends upgrading to the newer connector and wiring harness. External wire harness for and up 4l80e transmissions. Because of this we do not provide a wiring harness for it.

Ome years ago i developed a method of converting a 4l80e to full manual control in the absence of a shift box to be used with my transmission dyno. 4l80e updates many electrical changes have occurred in the 4l80e transmission for the 1994 model year these include. Will vance covers the basics of installing the tci ez tcu controller and wiring harness. Changes in vehicle speed sensor circuitry and components.

Wire harness kit 4l80e external internal harness wtemp sensor by transmission parts direct. A new pressure control solenoid. If4l80e cheap stand. These early designs inherently leak fluid through their pass through connector.

General motors has several technical. Pre 4l80e transmissions use a different internal wiring harness and pass through connector. The 4l80 e was heavily based on the turbo hydramatic 400 first produced in october 1963 adding electronic controls and an overdriven fourth gear. New shift solenoids ab.

There are also differences when it comes to the sensors mainly that the 4l80e has 2 speed sensors. Since then ive prepared many 4l80e transmissions for competition using these methods. The wiring harness and the transmission control unit are completely different and they are not compatible with each other. This early harness has a problem with leaking fluid at the pass through connector.

There is a big difference when it comes to the electronics of these transmissions. 4l80 es were optioned only in chevroletgmc pickups2500 suburbans vans and commercial vehicles. The perfect torc transmission controller supports 1993 to present 4l80e transmissions. So this article provides a tried and true procedure for converting any 4l80e transmission to full manual control eliminating the need for a pcm.

This wire harness has a female connectors and includes installation diagram. This page provides information on how the 4l80e automatic transmission from general motors operates with the megashift controller as well as the tunerstudioms settings needed to configure the controller. The 4l80 e and similar 4l85 e was a series of heavy duty automatic transmissions from general motors designed for longitudinal engine configurations.