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

B+Buss Bar


Object Number: 781217  Size: FS
Master Electrical Component List
IGN BATT 1, IGN SW BATT 2, Ignition Switch
Figure 2:

IGN BATT 1, IGN SW BATT 2, Ignition Switch


Object Number: 1221636  Size: FS
Master Electrical Component List
HTR A/C IGN and ERLS Fuses
B+ Bus Bar
B+ Bus Bar
IGN MOD, B/U LMP, PCM IGN, INJR, A/C FBC, AUTO TRANS, ABS IGN Fuses
CRUISE SW, CRUISE, SUNROOF, and HVAC BLOWER Fuses
HTR A/C IGN and ERLS Fuses
Starting System
B+ Bus Bar
Power and Grounding Schematic Icons
Figure 3:

HTR A/C IGN and ERLS Fuses


Object Number: 1221645  Size: FS
Master Electrical Component List
CRUISE SW, CRUISE, SUNROOF, and HVAC BLOWER Fuses
IGN BATT 1, IGN SW BATT 2, Ignition Switch
IGN BATT 1, IGN SW BATT 2, Ignition Switch
Figure 4:

CRUISE SW, CRUISE, SUNROOF, and HVAC BLOWER Fuses


Object Number: 1221657  Size: FS
Master Electrical Component List
IGN MOD, B/U LMP, PCM IGN, INJR, A/C FBC, AUTO TRANS, ABS IGN Fuses
HTR A/C IGN and ERLS Fuses
IGN BATT 1, IGN SW BATT 2, Ignition Switch
Power and Grounding Schematic Icons
Figure 5:

IGN MOD, B/U LMP, PCM IGN, INJR, A/C BFC, AUTO TRANS, ABS IGN Fuses


Object Number: 1221663  Size: FS
Master Electrical Component List
AUX PWR/CIGAR, PRK LMS, and PCM BATT Fuses
CRUISE SW, CRUISE, SUNROOF, and HVAC BLOWER Fuses
IGN BATT 1, IGN SW BATT 2, Ignition Switch
Figure 6:

AUX PWR/CIGAR, PRK LPS, and PCM BATT Fuses


Object Number: 781243  Size: FS
Master Electrical Component List
RH HDLP, LH HDLP, and GEN BATT Fuses
IGN MOD, B/U LMP, PCM IGN, INJR, A/C FBC, AUTO TRANS, ABS IGN Fuses
B+ Bus Bar
Figure 7:

RH HDLP, LH HDLP, and GEN BATT Fuses


Object Number: 1221753  Size: FS
Master Electrical Component List
BATT 1, PWR Seat, PWR Mirror, DR Lock, Trunk Release/RFA
AUX PWR/CIGAR, PRK LMS, and PCM BATT Fuses
B+ Bus Bar
Figure 8:

BATT1, PWR Seat, PWR Mirror, DR Lock, Trunk Release/RFA


Object Number: 1221756  Size: FS
Master Electrical Component List
LH BFC BATT 2, STOP LPS, HAZARD LPS, IPC/HVAC BATT Fuses
RH HDLP, LH HDLP, and GEN BATT Fuses
B+ Bus Bar
Figure 9:

LH BFC BATT 2, STOP LPS, HAZARD LPS, IPC/HVAC BATT, BFC BATT Fuses


Object Number: 781254  Size: FS
Master Electrical Component List
RR DEFOG, HORN, HI BLO MOT, RH BEC BATT, COOL FANS, and ABS Fuses
BATT 1, PWR Seat, PWR Mirror, DR Lock, Trunk Release/RFA
B+ Bus Bar
Figure 10:

RR DEFOG, HORN, HI BLO MOT, RH BEC BATT, COOL FANS, and ABS Fuses


Object Number: 781262  Size: FS
Master Electrical Component List
LH BFC BATT 2, STOP LPS, HAZARD LPS, IPC/HVAC BATT Fuses
B+ Bus Bar