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

Power, Ground, Indicator/Warning Lamps and Switches (JL9/NW9)
Object Number: 1959810 Size: FS
Master Electrical Component List
ABS Description and Operation Except V275
Control Module References
Power, Ground, Indicator/Warning Lamps and Switches (F45, JL9/NW9-F45)
B+ Bus
Ignition Switch
Fuse Block - I/P F4, F13, F21 Fuses
Indicators 1 of 3
Stop Lamps
Stop Lamps
Power, Ground, Class 2
High Speed GMLAN - MFB/MFN
High Speed GMLAN - M98 (RHD)
High Speed GMLAN - M98 (LHD)
G301 (RHD)
G103, G105, G108 (Diesel), G201
Ignition Switch
Figure 2:

Power, Ground, Indicator/Warning Lamps and Switches (F45, JL9/NW9-F45)
Object Number: 2032648 Size: FS
Master Electrical Component List
ABS Description and Operation V275
Control Module References
Electronic Stability Controls (F45)
Power, Ground, Indicator/Warning Lamps and Switches (JL9/NW9)
B+ Bus
Ignition Switch
Fuse Block - I/P F8, F9, F15, F22, F23 Fuses
Ignition Switch
Indicators 1 of 3
Power, Ground, Class 2
High Speed GMLAN - MH7/MH8
Stop Lamps
Stop Lamps
G301 (RHD)
G103, G105, G108 (Diesel), G201
Figure 3:

Electronic Stability Controls (F45)
Object Number: 2029207 Size: FS
Master Electrical Component List
ABS Description and Operation V275
Control Module References
Wheel Speed Sensors
Power, Ground, Indicator/Warning Lamps and Switches (F45, JL9/NW9-F45)
Ignition Switch
Indicators 1 of 3
Illumination
G202, 2 of 2
Figure 4:

Wheel Speed Sensors
Object Number: 1959815 Size: FS
Master Electrical Component List
ABS Description and Operation
Control Module References
Electronic Stability Controls (F45)
Master Electrical Schematic Icons