File Name: 4L60E Wiring Diagram TPS Ver 20.0 Harness Required: G11 & G10 Last Changed: 31/07/2013 + - 12V Battery Ign+ Red Blue Screen Up Shift Down Shift Rear Plug Gearbox 2 1 4 G11 Switches G10 1.5 m Brown Red Lock-Up Led Green Function Led Ign+ From Ignition +12V Via a Relay Require 7.5A Fuse Red 6 1.8 m Led's Functions Yellow - Power Green.. The 4l60e is one of General Motors' high-performance, durable, and versatile 4-speed transmissions. However, its external wiring harness is prone to damage due to defective soldering and the wires overheating. Therefore, understanding the external wiring harness diagram for the 4l60e is critical. But what is this diagram all about?
![[DIAGRAM] Tbi Wiring Diagram 4l60e](http://www.merlinsoftware.com/filestore/4L60e.jpg "[DIAGRAM] Tbi Wiring Diagram 4l60e")
4L60E Technical Information . Transmissions plug pin identification 1995 and up. A: 1-2 shift solenoid ground signal . B: 2-3 shift solenoid ground signal . C: pressure control solenoid high . D: pressure control solenoid low . E: ignition power feed from TCM to solenoids . T: tcc solenoid (on/off in pump) U: tcc pwm solenoid (valve body). TRANS 1 Connector A 12 11 10 9 8 7 6 5 4 3 2 1 B 12 11 10 9 8 7 6 5 4 3 2 1 Note: This is the view into the receptacle on controller, not the plug..