A/T - 4T60E Wiring Harness Updates
BULLETIN: # 283TRANSMISSION: 4T60-E
SUBJECT: Wiring harness updates
APPLICATION: GM
4T60-E Wiring Harness Updates
Wiring color and pin configuration has been changed on all 4T60-E models. These changes allowed for the addition of a fluid temperature sensor for some models and complemented the changes made to the vehicle wiring harness and PCM.