GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 2WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Remote Function Schematics
Figure 1:

Keyless Entry (AP3/AP8)
Object Number: 1907474 Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation without Accessory 2 Way Remote
Control Module References
Garage Door Opener
Figure 2:

Garage Door Opener
Object Number: 1907467 Size: FS
Master Electrical Component List
Garage Door Opener Description and Operation
Control Module References
Keyless Entry (AP3/AP8)