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

Power, Ground, Hold Switch and Data Link Connector (DLC)


Object Number: 1346307  Size: FS
Master Electrical Component List
TCM, ECM
Underhood Fuse Block-Battery Feeds
Electrical Mirror and Heater Fuses (RHD)
Fuel Pump, Radiator, Fan High, A/C Comp and Radiator Fan Low Fuses (Sirius D4)
AUDIO and CIGAR LIGHTER Fuses (LHD)
AUDIO and CIGAR LIGHTER Fuses (LHD)
ABS, ECM and Siren Fuses
ABS, ECM and Siren Fuses
G102, G101, G106
LHD
Figure 2:

Transmission Control Module (TCM) - Engine Control Module (ECM)


Object Number: 1346309  Size: FS
Master Electrical Component List
Shift and Pressure Control Solenoids
Power, Ground, Hold Switch and DLC
Underhood Fuse Block-Battery Feeds
Parking Lamp LH, Parking Lamp RH Fuses, Parking Lamp Relay Continued (RHD)
Figure 3:

Shift and Pressure Control Solenoids


Object Number: 1503367  Size: FS
Master Electrical Component List
Vehicle Speed Signal
TCM, ECM
Figure 4:

Vehicle Speed Signal


Object Number: 1507848  Size: FS
Master Electrical Component List
PNP Switch
Shift and Pressure Control Solenoids
Figure 5:

Park/Neutral Position (PNP) Switch


Object Number: 1507849  Size: FS
Master Electrical Component List
Vehicle Speed Signal
Cluster, Air Bag, Turn Signal and Cruise Fuses (LHD)
Relay Ignition Fuse
ABS, ECM and Siren Fuses
ABS, ECM and Siren Fuses
Generator
G104 (MR-140)
Blower Main, Power Window and Rear Defogger Fuses