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

Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data


Object Number: 1257894  Size: FS
Master Electrical Component List
Torque Converter Clutch (TCC) and Transmission Solenoids
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Underhood Fuse Block - IGN 1 Fuse, Ignition Switch, I/P Fuse Block, - CIGAR JACK, AUDIO CLOCK, METER CLOCK, TSIG, BACKUP LAMP, and AIR BAG Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
G202 1 of 2
G103 (Sirius D4)
DLC - 1.2L
Figure 2:

Torque Converter Clutch (TCC) and Transmission Solenoids


Object Number: 1257895  Size: FS
Master Electrical Component List
Vehicle Speed and Input Speed Sensors
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Stoplamps CHMSL
Ignition Lock Module
Figure 3:

Vehicle Speed and Input Speed Sensors


Object Number: 1456610  Size: FS
Master Electrical Component List
Park/Neutral Position Switch
Torque Converter Clutch (TCC) and Transmission Solenoids
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
G103 (Sirius D4)
G103 (Sirius D4)
Figure 4:

Park/Neutral Position (PNP) Switch


Object Number: 1456611  Size: FS
Master Electrical Component List
Vehicle Speed and Input Speed Sensors
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Starting Systems
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
G103 (Sirius D4)
Park Tail Side Marker License Lamps