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

TCM Power, Ground, and PNP Switch


Object Number: 1509893  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Transmission Solenoids and VSS
Automatic Transmission Schematic Icons
RDO Fuse, DR LCK Fuse, INT LIGHTS Fuse, PWR WNDW Fuse, S ROOF Fuse, ECM/TCM Fuse, SDM Fuse, RAP Relay, INTERIOR LAMPS PCB Relay, Door Lock PCB Relays
Power, Ground, MIL, and DLC
RDO Fuse, DR LCK Fuse, INT LIGHTS Fuse, PWR WNDW Fuse, S ROOF Fuse, ECM/TCM Fuse, SDM Fuse, RAP Relay, INTERIOR LAMPS PCB Relay, Door Lock PCB Relays
RUN/CRANK Relay, I/P IGN Fuse, PRK/NEUT Fuse, BACKUP Fuse, ABS Fuses, ECM TRANS Fuse, LIGHTER Fuse, CAN VENT Fuse, EPS Fuse, BCM2 and 3 Fuses, HEATED SEAT Fuse, S-BAND/ONSTAR Fuse, MIRROR Fuse
Transmission Solenoids and VSS
G103 and G105
Figure 2:

Transmission Solenoids and VSS


Object Number: 1509896  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Transmission Switches, TFT and A/T ISS Sensor
TCM Power, Ground, and PNP Switch
Automatic Transmission Schematic Icons
TCM Power, Ground, and PNP Switch
Figure 3:

Transmission Switches, TFT and A/T ISS Sensor


Object Number: 1509900  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Transmission Solenoids and VSS
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons