GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Yukon XL - 4WD
🢒 Transmission Controls - A/T - 4L80-E
Transmission Controls - A/T - 4L80-E
Transmission Controls - A/T
Master Electrical Component List
Powertrain Control Module Description
Controlled/Monitored Subsystem References
Engine Controls Schematic Icons
Switch Inputs
Switch Inputs
Tow/Haul Switch and PNP Switch Inputs
Vehicle Speed Signal and 4WD Low Signal
Switch Inputs
Valve Controls and Brake Switch