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

Power, Ground, and Serial Data


Object Number: 1899508  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
IMS Switch, Shift Solenoids, and TCC, PC, TFT, VSS Sensors
Fuse Block - Underhood Bussing
COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses
RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses
Power, Ground, and DLC
Power, Ground, and DLC
Power, Ground, and DLC
Stop and License Lamps
Stop and License Lamps
GMLAN
Power, Ground, and Class 2
G104, and G106
Figure 2:

IMS Switch, Shift Solenoids, and TCC, PC, TFT, VSS Sensors


Object Number: 1899512  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Shift Lever
Power, Ground, and Serial Data
Figure 3:

Shift Lever


Object Number: 1899515  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
IMS Switch, Shift Solenoids, and TCC, PC, TFT, VSS Sensors
AUXILIARY POWER Relay, and CIGAR LTR, AUX PWR, FOLDING TOP/TRUNK LATCH, COLUMN LK MDL (EUROPE) Fuses
Ignition Mode Switch
BATT3, STOP/B/U/LPS, BTSI SOL/COL LOCK, RADIO, S-BAND/VICS, PWR FLDG MIR - EXT RET, REAR FOG/ALDL, REVERESE LAMPS Fuses, and REVERSE LAMP Relay
CLSTR/HUD, DECK LID CLOSE/PARK/BRK B, DR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW STRG COL SW Fuses, and RUN/CRANK Relay
CLSTR/HUD, DECK LID CLOSE/PARK/BRK B, DR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW STRG COL SW Fuses, and RUN/CRANK Relay
Shift Lock Control Schematics
DLC, HVAC Control Module, Radio, and Switches
G202