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

B+ Bus Bar - 1 of 2


Object Number: 1856277  Size: FS
Master Electrical Component List
Control Module References
B+ Bus Bar - 2 of 2
B+ Bus Bar - 2 of 2
B+ Bus Bar - 2 of 2
Figure 2:

B+ Bus Bar - 2 of 2


Object Number: 1856279  Size: FS
Master Electrical Component List
Control Module References
BEAM, LH HI BEAM, RH HI BEAM, and PARK LAMPS Fuses
B+ Bus Bar - 1 of 2
B+ Bus Bar - 1 of 2
B+ Bus Bar - 1 of 2
Figure 3:

LH LOW BEAM, RH LOW BEAM, LH HI BEAM, RH HI BEAM, and PARK LAMPS Fuses


Object Number: 1856281  Size: FS
Master Electrical Component List
Control Module References
TANK VENT, OUTLET, IP IGN, BACKUP, ABS, and ECM TRANS Fuses
B+ Bus Bar - 2 of 2
B+ Bus Bar - 1 of 2
Figure 4:

TANK VENT, OUTLET, IP IGN, BACK UP, ABS, and ECM TRANS Fuses


Object Number: 1856285  Size: FS
Master Electrical Component List
Control Module References
EMISSIONS, ECM, and LIGHTER Fuses
BEAM, LH HI BEAM, RH HI BEAM, and PARK LAMPS Fuses
B+ Bus Bar - 1 of 2
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 5:

EMISSIONS, ECM, and LIGHTER Fuses


Object Number: 1856287  Size: FS
Master Electrical Component List
Control Module References
MIRRORS, ABS, ABS/BCM, and S-BAND ONSTAR Fuses
TANK VENT, OUTLET, IP IGN, BACKUP, ABS, and ECM TRANS Fuses
B+ Bus Bar - 1 of 2
B+ Bus Bar - 1 of 2
High Speed LAN
Figure 6:

MIRRORS, ABS, ABS/BCM, and S-BAND ONSTAR Fuses


Object Number: 1856289  Size: FS
Master Electrical Component List
Control Module References
WINDOWS, DOOR LKS, INT LPS, ECM/TCM, RADIO, and SDM Fuses
EMISSIONS, ECM, and LIGHTER Fuses
B+ Bus Bar - 1 of 2
Figure 7:

WINDOWS, DOOR LKS, INT LPS, ECM/TCM, RADIO, and SDM Fuses


Object Number: 1856292  Size: FS
Master Electrical Component List
Control Module References
HVAC/PK3, AUDIO AMPLIFIER, WIPERS, HVAC/IP IGN, RESRAINTS, and EPS/SWC Fuses
MIRRORS, ABS, ABS/BCM, and S-BAND ONSTAR Fuses
B+ Bus Bar - 1 of 2
SIR Schematic Icons
Figure 8:

CLUSTER, IGN SW/PK3, HVAC/PK3, AUDIO AMPLIFIER, WIPERS, HVAC/IP IGN, RESTRAINTS, and EPS/SWC Fuses


Object Number: 1856294  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch Modes
WINDOWS, DOOR LKS, INT LPS, ECM/TCM, RADIO, and SDM Fuses
B+ Bus Bar - 1 of 2
Ignition Switch Modes
Figure 9:

Ignition Switch Modes


Object Number: 1856317  Size: FS
Master Electrical Component List
Control Module References
HVAC/PK3, AUDIO AMPLIFIER, WIPERS, HVAC/IP IGN, RESRAINTS, and EPS/SWC Fuses
HVAC/PK3, AUDIO AMPLIFIER, WIPERS, HVAC/IP IGN, RESRAINTS, and EPS/SWC Fuses