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

Starting


Object Number: 1899368  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging
Fuse Block - Underhood Bussing
Fuse Block - Underhood Bussing
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
RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses
RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses
Fuse Block - Underhood Bussing
Switches
GMLAN
G104, and G106
G104, and G106
Figure 2:

Charging


Object Number: 1899375  Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Starting
Fuse Block - Underhood Bussing
COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses
Power, Ground, and Class 2
Fuse Block - Underhood Bussing
G104, and G106