GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Traffic Information Receiver - U3Q


Object Number: 1616370  Size: FS
Master Electrical Component List
Navigation System Description and Operation
Control Module References
Radio Without UE1
Rear Fuse Block B+ Bus
Rear Fuse Block B+ Bus
Rear Fuse Block - RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP, REAR SEAT LUM Fuses
Rear Fuse Block - RR HTD/SEAT, HTD/COOL, DDM, PDM, RDO, AMP, NAV Fuses
G305
Navigation System Schematic Icons
Navigation System Schematic Icons
Navigation System Schematic Icons
Figure 2:

Radio - Without UE1


Object Number: 1616372  Size: FS
Master Electrical Component List
Navigation System Description and Operation
Control Module References
Traffic Information Receiver U3Q
Rear Fuse Block B+ Bus
DLC Power, Ground, and Low Speed GMLAN
Video System - U3Q, Japan
G305