GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 XLR 🢒 Accessories 🢒 Navigation Systems 🢒 Data Link Connector Schematics
Figure 1:

Class 2
Object Number: 1480873 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN
Fuse Block Underhood Fuses - BATT3, STOP/BULPS, BCM Fuses - BTSI SOL/COL LOCK, PWR FLDG MIR-EXT/RET, RADIO/ANT/VICS, REAR FOG/ALDL TOPSW, REVERSE LPS
SIR Caution for Zoning
G104 and G106
G201
Figure 2:

GMLAN
Object Number: 1480874 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
DLC - Class 2
Computer/Integrating Systems Schematic Icons