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

TCM Power, Ground, MIL and Stop Lamp Switch


Object Number: 1467880  Size: FS
Master Electrical Component List
Transmission General Description
Transmission Sensors and Solenoids
OBD II Symbol Description Notice
ABS 1, ABS 2, BRAKE, CONTROLS B+, COOL FAN 1, COOL FAN 2, HAZARD, and PARK LAMP Fuses
CONTROLS IGN 1 and IGN Fuses
BACKUP/TURN, BCM/ECM/CRUISE, CRUISE SW, and IGN 1 Fuses
BACKUP/TURN, BCM/ECM/CRUISE, CRUISE SW, and IGN 1 Fuses
Stop Lamps
Data Link Connector
G110 (2 of 2) and G102
Figure 2:

Sensors and Solenoids


Object Number: 1254471  Size: FS
Master Electrical Component List
Transmission General Description
PNP Switch and PRNDL
TCM Power, Ground, MIL, and Stop Lamp Switch
OBD II Symbol Description Notice
Figure 3:

PNP Switch and PRNDL


Object Number: 1254480  Size: FS
Master Electrical Component List
Transmission General Description
Transmission Sensors and Solenoids
OBD II Symbol Description Notice
Ignition Switch and IGN 1/2, IGN 0, and IGN 0/3/CR Fuses