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

SGCM Coolant Pump


Object Number: 1864658  Size: FS
Master Electrical Component List
Starter Generator Control Module Cooling System Description and Operation
Control Module References
Energy Storage Box Vent Fan
B+ Bus Bar
Ignition Switch - ACC/RUN and RUN/START BUS BARS and IGN B Fuse
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A, and CRNK Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
G100 and G102
G120, G121, G122, G310, G311, and G405 (HP2)
High Speed GM LAN (HP2)
Figure 2:

Energy Storage Box Vent Fan


Object Number: 1864659  Size: FS
Master Electrical Component List
Starter Generator Control Module Cooling System Description and Operation
Control Module References
SGCM Coolant Pump