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

DLC Power, Ground and IPM


Object Number: 1751169  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Domestic w/ UE1
Fuse Block Underhood Bussing
Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses, Accessory Relay
G200 (2 of 2)
G200 (2 of 2)
Figure 2:

GMLAN - High Speed, Domestic W/UE1


Object Number: 1619291  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Domestic w/ UE1 and F55
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 3:

GMLAN - High Speed, Domestic W/UE1, F55


Object Number: 1619341  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Domestic w/ UE1, K59, F55
GMLAN High Speed - Domestic w/ UE1
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 4:

GMLAN - High Speed, Domestic W/UE1, K59, F55


Object Number: 1619346  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/ TT7/TT8
GMLAN High Speed - Domestic w/ UE1 and F55
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 5:

GMLAN - High Speed, Export W/TT7, TT8


Object Number: 1619347  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/ TT7/TT8, F55
GMLAN High Speed - Domestic w/ UE1, K59, F55
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 6:

GMLAN - High Speed, Export W/TT7, TT8, F55


Object Number: 1619349  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/ TT7/TT8, F55, K59
GMLAN High Speed - Export w/ TT7/TT8
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 7:

GMLAN - High Speed, Export W/TT7, TT8, F55, K59


Object Number: 1619352  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed (1 of 2)
GMLAN High Speed - Export w/ TT7/TT8, F55
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 8:

GMLAN - Low Speed 1 of 2


Object Number: 1619353  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed (2 of 2)
GMLAN High Speed - Export w/ TT7/TT8, F55, K59
GMLAN Low Speed (2 of 2)
Seat Belt Schematic Icons
GMLAN Low Speed (2 of 2)
Figure 9:

GMLAN - Low Speed 2 of 2


Object Number: 1619355  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed Serial Data Wake-Up
GMLAN Low Speed (1 of 2)
GMLAN Low Speed (1 of 2)
GMLAN Low Speed (1 of 2)
Figure 10:

GMLAN - High Speed Serial Data Wake Up


Object Number: 1619357  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed (1 of 2)