4l80e Transmission Pcm Wiring Diagram. As the low range is selected the transfer case. 4l80 wiring diagram 4l80 wiring diagram the 4l80e transmission has two speed sensors 4l60e only used one.
The inputoutput shaft speed sensors on the 4l80e transmission are not polarity sensitive and just simply need wired to the pcm c2 red connector pin. You will now have two extra wires these will be used for the 4l80es input speed. Because of this we do not provide a wiring harness for it.
Each part should be set and connected with different parts in particular way.
Should be similar for l l applications. 2001 gmt800 4l80e starter relay control voltage the starter relay control voltage originates in the fuse box with a 10a hot in start circuit. Slider recipes engine rebuild automatic transmission garage shop car shop rat rods car parts american muscle cars. Attach a speed sensor pigtail to the white and tanblack wires removed a few steps above.