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

Starting


Object Number: 1844096  Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging - Gas
A/C CMPRSR, FRT WASH, FUEL PUMP, HORN, HTD MIR, REAR DEFOG and STRTR Fuses
Battery Supply
Battery Supply
High Speed Bus - 3 of 3 (Diesel)
G106 (4.3L) and G103
G102, G107 (4.3L), G104, G108
G101
G106 (4.3L) and G103
Figure 2:

Charging (Gas)


Object Number: 1844097  Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Charging - Diesel
Starting
ECM-BATT, HDLP WASH, HVAC BATT, IPC, LTR, S/ROOF and TCM-BATT Fuses
High Speed Bus - 1 of 3
G106 (4.3L) and G103
G101
G106 (4.3L) and G103
Figure 3:

Charging (Diesel)


Object Number: 1871587  Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Charging - Gas
Battery Supply
Battery Supply
High Speed Bus - 1 of 3
G101
G106 (4.3L) and G103