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

Starting System - LH2


Object Number: 1618626  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
06 GMX295 Starting and Charging Schematics - Starting System - LC3
G110, G306, G404, G403, G105, G106
G110, G306, G404, G403, G105, G106
Fuse Block Underhood Bussing
TCM Power, Grounds and DLC
Fuse Block - Underhood: Starter IGN 1 Relays; Starter, Starter Relay, CCP TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses
Fuse Block Underhood Bussing
Fuse Block Right Rear: LT Turn Signal, RIM(1), Rear Fog Lamp, FT Passenger Door Module, Heated Steering Column, IGN 1, RIM(2) and Airbag Fuses; Rear Fog Lamp and IGN 1 Relays
G104 (1 of 2)
Data Link Connector Schematics
G104 (1 of 2)
Figure 2:

Starting System - LC3


Object Number: 1688662  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
06 STS Charging System
Starting System - LH2
G110, G306, G404, G403, G105, G106
G110, G306, G404, G403, G105, G106
Fuse Block Underhood Bussing
06 GMX295 Engine Controls 4.4L - TCM Power, Grounds, ECM, IPM
Fuse Block - Underhood: Starter IGN 1 Relays; Starter, Starter Relay, CCP TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses
Data Link Connector Schematics
Fuse Block Underhood Bussing
Fuse Block Right Rear: LT Turn Signal, RIM(1), Rear Fog Lamp, FT Passenger Door Module, Heated Steering Column, IGN 1, RIM(2) and Airbag Fuses; Rear Fog Lamp and IGN 1 Relays
G104 (1 of 2)
G104 (1 of 2)
Figure 3:

Charging System


Object Number: 1618623  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Hood Ajar Switch
Starting System - LY7
Fuse Block Underhood Bussing
G110, G306, G404, G403, G105, G106
G110, G306, G404, G403, G105, G106
GMLAN Low Speed (2 of 2)
GMLAN High Speed - Domestic w/ UE1
Figure 4:

Starting System - LY7


Object Number: 1618622  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Hood Ajar Switch
06 STS Charging System
G110, G306, G404, G403, G105, G106
G110, G306, G404, G403, G105, G106
Fuse Block Underhood Bussing
TCM Power, Grounds and DLC
Fuse Block - Underhood: Starter IGN 1 Relays; Starter, Starter Relay, CCP TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses
Data Link Connector Schematics
Fuse Block Underhood Bussing
Fuse Block Right Rear: LT Turn Signal, RIM(1), Rear Fog Lamp, FT Passenger Door Module, Heated Steering Column, IGN 1, RIM(2) and Airbag Fuses; Rear Fog Lamp and IGN 1 Relays
G104 (1 of 2)
G104 (1 of 2)
Figure 5:

Hood Ajar Switch Schematic


Object Number: 1663831  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
06 STS Charging System
G104 (1 of 2)