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

B+ BUS - 1 of 2


Object Number: 1767247  Size: FS
Master Electrical Component List
Control Module References
B+ BUS - 2 of 2
B+ BUS - 2 of 2
Figure 2:

B+ BUS - 2 of 2


Object Number: 1767327  Size: FS
Master Electrical Component List
Control Module References
ABS, ABS MTR, AUX PWR, AWD, ECM BATT, REAR APO, REAR HVAC, and TCM BATT Fuses
B+ BUS - 1 of 2
B+ BUS - 1 of 2
Figure 3:

ABS, ABS MTR, AUX PWR, AWD, ECM BATT, REAR APO, REAR HVAC, and TCM BATT Fuses


Object Number: 1767330  Size: FS
Master Electrical Component List
Control Module References
BATT 1, CNSTR VENT, CLSTR, HVAC BLWR, INFOTMNT, INT LAMP, ONSTAR, REAR DEFOG and RVC Fuses
B+ BUS - 2 of 2
B+ BUS - 1 of 2
B+ BUS - 1 of 2
Figure 4:

BATT 1, CNSTR VENT, CLSTR, HVAC BLWR, INFOTMNT, INT LAMPS, ONSTAR, REAR DEFOG and RVC Fuses


Object Number: 1767332  Size: FS
Master Electrical Component List
Control Module References
AMP, BCM, CHMSL/DM/LAMP, HVAC/RFA and RDO Fuse
ABS, ABS MTR, AUX PWR, AWD, ECM BATT, REAR APO, REAR HVAC, and TCM BATT Fuses
B+ BUS - 1 of 2
B+ BUS - 1 of 2
AMP, BCM, CHMSL/DM/LAMP, HVAC/RFA and RDO Fuse
Figure 5:

AMP, BCM, CHMSL/DM/LAMP, HVAC/RFA and RDO Fuse


Object Number: 1767335  Size: FS
Master Electrical Component List
AOS MDL, BATT 2, HTD/SEATS, L/GATE, LT TRN/SIG, PWR MIRS, RT TRN/SIG and AIRBAGS Fuses and PWR SEATS Circuit Breaker
BATT 1, CNSTR VENT, CLSTR, HVAC BLWR, INFOTMNT, INT LAMP, ONSTAR, REAR DEFOG and RVC Fuses
BATT 1, CNSTR VENT, CLSTR, HVAC BLWR, INFOTMNT, INT LAMP, ONSTAR, REAR DEFOG and RVC Fuses
IGN SW, Fuse and Ignition Switch
Figure 6:

AOS MDL, BATT 2, HTD/SEATS, L/GATE, LT TRN/SIG, PWR MIRS, RT TRN/SIG and AIRBAGS Fuses and PWR SEATS Circuit Breaker


Object Number: 1767340  Size: FS
Master Electrical Component List
BATT 3, DR/LCK, REAR/WPR, RSE and S/ROOF Fuses and PWR WNDW Circuit Breaker
AMP, BCM, CHMSL/DM/LAMP, HVAC/RFA and RDO Fuse
B+ BUS - 1 of 2
B+ BUS - 1 of 2
Figure 7:

BATT 3, DR/LCK, REAR/WPR, RSE and S/ROOF Fuses and PWR WNDW Circuit Breaker


Object Number: 1767352  Size: FS
Master Electrical Component List
IGN SW, Fuse and Ignition Switch
AOS MDL, BATT 2, HTD/SEATS, L/GATE, LT TRN/SIG, PWR MIRS, RT TRN/SIG and AIRBAGS Fuses and PWR SEATS Circuit Breaker
B+ BUS - 1 of 2
Figure 8:

IGN SW Fuse and Ignition Switch


Object Number: 1767355  Size: FS
Master Electrical Component List
Control Module References
PWR/TRN Relay BUS - EMISO1, EMISO2, ETC/ECM, EVEN COILS/INJ and ODD COILS/INJ FusesINJ
BATT 3, DR/LCK, REAR/WPR, RSE and S/ROOF Fuses and PWR WNDW Circuit Breaker
AMP, BCM, CHMSL/DM/LAMP, HVAC/RFA and RDO Fuse
Figure 9:

PWR/TRN Relay Bus - EMISO1, EMISO2, ETC/ECM, EVEN COILS/INJ AND ODD COILS/INJ Fuses


Object Number: 1767357  Size: FS
Master Electrical Component List
Control Module References
IGN 1 Relay BUS - MAF, PCM IGN, AIRBAG DISPLY and TRANS Fuses
IGN SW, Fuse and Ignition Switch
B+ BUS - 1 of 2
Figure 10:

IGN 1 Relay Bus - MAF, PCM IGN, AIRBAG DISPLY and TRANS Fuses


Object Number: 1767359  Size: FS
Master Electrical Component List
DRL 1, DRL 2, FOG LAMP, LT HI BEAM, LT LO BEAM, RT HI BEAM and RT LO BEAM Fuses
PWR/TRN Relay BUS - EMISO1, EMISO2, ETC/ECM, EVEN COILS/INJ and ODD COILS/INJ FusesINJ
B+ BUS - 1 of 2
Figure 11:

DRL 1, DRL 2, FOG LAMP, LT HI BEAM, LT LO BEAM, RT HI BEAM, and RT LO BEAM Fuses


Object Number: 1767361  Size: FS
Master Electrical Component List
Control Module References
LT PRK LAMP, RT PRK LAMP and PRK LAMP TRLR Fuses
IGN 1 Relay BUS - MAF, PCM IGN, AIRBAG DISPLY and TRANS Fuses
B+ BUS - 1 of 2
Figure 12:

LT PRK LAMP, RT PRK LAMP and PRK LAMP/TRLR Fuses


Object Number: 1767364  Size: FS
Master Electrical Component List
Control Module References
HORN, LT TRLR STOP/TRN, RT TRLR STOP/TRN and STOP LAMP Fuses
DRL 1, DRL 2, FOG LAMP, LT HI BEAM, LT LO BEAM, RT HI BEAM and RT LO BEAM Fuses
B+ BUS - 1 of 2
Figure 13:

HORN, LT TRLR STOP/TRN, RT TRLR STOP/TRN and STOP LAMP Fuses


Object Number: 1767365  Size: FS
Master Electrical Component List
Control Module References
LT PRK LAMP, RT PRK LAMP and PRK LAMP TRLR Fuses
B+ BUS - 1 of 2