GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Avalanche - 4WD 🢒 Body 🢒 Wiring Systems 🢒 Upfitter Provision Schematics
Figure 1:

Roof Beacon Wiring - 5G4
Object Number: 1608661 Size: FS
Master Electrical Component List
Control Module References
06 CK Util Upfitter Provisions Mobile Radio Power
B+ Bus - 1 of 2
IPC/DIC, LH HID, RH HID, SEO B1, SEO B2, and TBC BATT Fuses
IPC/DIC, LH HID, RH HID, SEO B1, SEO B2, and TBC BATT Fuses
Dimming Control and LED Dimming Supply Voltage - 1 of 2
Dimming Control and LED Dimming Supply Voltage - 1 of 2
I/P Dimming Supply Voltage - 6 of 8
G200 3 of 3
G200 1 of 3
G200 1 of 3
G200 1 of 3
G304 and G305
Figure 2:

Mobile Radio Power - 9L4
Object Number: 1608667 Size: FS
Master Electrical Component List
Control Module References
Roof Beacon Wiring - 5G4
B+ Bus - 1 of 2
Ignition Switch - ACCY/RUN, and RUN/START Busses, and IGN B Fuses
G100, G105 1 of 4