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

Cranking


Object Number: 1619516  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging
B+ Bus 2 of 2
PTRAIN Relay-2 of 2, BTSI, PT RLY, and PT SENSORS Fuses-
PTRAIN Relay-2 of 2, BTSI, PT RLY, and PT SENSORS Fuses-LX9
PTRAIN Relay-2 of 2, BTSI, PT RLY, and PT SENSORS Fuses-
B+ Bus 1 of 2
BATT 1, HAZRD LAMP, HUD, IPC/HVAC/SEC/RKE, IS LAMP, PK3, RDO and RDO AMP Fuses
Ignition Switch-ACCY/RUN/START and RUN and START Bus Bars, HVAC BLWR, IPC/BCM/PK3, PK3, and PRK LCK IGN Fuses
B+ Bus 1 of 2
G100, G111, and G119
G100, G111, and G119
G100, G111, and G119
Figure 2:

Charging


Object Number: 1619518  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Cranking
B+ Bus 1 of 2
DLC Schematics
G100, G111, and G119
G100, G111, and G119
G100, G111, and G119