DRIVETRAIN

4T65-E Harnesses & Switches

Match wiring, connectors and switches to the exact year and transmission code.

Transmission Harness & Switches

All items below are recommended and have been tested by the W-BodyTech team

1997-2002 4T65E/HD

  • Automatic Transmission Wiring Harness
    1. ACDelco GM Original Equipment 24237264
  • Shift Shaft Position Switch
    1. 1997-2002 AcDelco 24223197

2003+ 4T65E/HD

  • Automatic Transmission Wiring Harness
    1. ACDelco GM Original Equipment 24237264
  • Shift Shaft Position Switch
    1. 2003+ Acdelco 24239970