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

B+ Bus Bar - 1 of 2


Object Number: 2049949  Size: FS
Master Electrical Component List
Control Module References
B+ Bar (2 of 2)
B+ Bar (2 of 2)
B+ Bar (2 of 2)
Figure 2:

B+ Bus Bar - 2 of 2


Object Number: 2049951  Size: FS
Master Electrical Component List
Control Module References
LT LO Beam, LT Hi Beam, RT LO Beam, and RT HI Beam Fuses
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
Figure 3:

LT LO BEAM, LT HI BEAM, RT LO BEAM, and RH HI BEAM Fuses


Object Number: 2049953  Size: FS
Master Electrical Component List
Control Module References
ECM/TRANS, I/P IGN, OUTLET, CAN VENT, AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, and WPR Fuses
B+ Bar (2 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
Figure 4:

ECM/TRANS, I/P/ IGN, OUTLET, CAN VENT, AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, and WPR Fuses


Object Number: 2049955  Size: FS
Master Electrical Component List
Control Module References
DLC, ECM, EMISSIONS, IGN IGN MDL, and TURBO Fuses
LT LO Beam, LT Hi Beam, RT LO Beam, and RT HI Beam Fuses
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
Master Electrical Schematic Icons
Master Electrical Schematic Icons
Master Electrical Schematic Icons
Figure 5:

DLC, ECM, EXH, INJ IGN MDL, and TURBO Fuses


Object Number: 2049957  Size: FS
Master Electrical Component List
Control Module References
MIR, COOLING FAN, ABS, RKE Fuses and PWR SEATS Circuit Breaker
ECM/TRANS, I/P IGN, OUTLET, CAN VENT, AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, and WPR Fuses
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
B+ Bar (1 of 2)
Low Speed LAN
Figure 6:

MIR, COOLING FAN, ABS, RKE Fuses and PWR SEATS Circuit Breaker


Object Number: 2049959  Size: FS
Master Electrical Component List
Control Module References
BCM, PWR WNDW, DR LCK, INT LIGHT, ECM/TCM, SDM, and RDO Fuses
DLC, ECM, EMISSIONS, IGN IGN MDL, and TURBO Fuses
B+ Bar (2 of 2)
B+ Bar (2 of 2)
Figure 7:

BCM, PWR WNDW, DR LCK, INT LIGHT, ECM/TCM, SDM and RDO Fuses


Object Number: 2049961  Size: FS
Master Electrical Component List
Control Module References
BCM 2, BCM 3, CLSTR, IGN SW/PK3+, HVAC/PK3+, and AMP Fuses
MIR, COOLING FAN, ABS, RKE Fuses and PWR SEATS Circuit Breaker
B+ Bar (2 of 2)
B+ Bar (2 of 2)
B+ Bar (2 of 2)
Master Electrical Schematic Icons
Figure 8:

BCM 2, BCM 3, CLSTR, IGN SW/PK3+, HVAC/PK3+, and AMP Fuses


Object Number: 2049963  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch Modes
BCM, PWR WNDW, DR LCK, INT LIGHT, ECM/TCM, SDM, and RDO Fuses
B+ Bar (2 of 2)
B+ Bar (2 of 2)
B+ Bar (2 of 2)
B+ Bar (2 of 2)
Ignition Switch Modes
Figure 9:

Ignition Switch Modes


Object Number: 2049965  Size: FS
Master Electrical Component List
Control Module References
BCM 2, BCM 3, CLSTR, IGN SW/PK3+, HVAC/PK3+, and AMP Fuses
BCM 2, BCM 3, CLSTR, IGN SW/PK3+, HVAC/PK3+, and AMP Fuses
B+ Bar (1 of 2)