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

Underhood Fuse Block B+ Bus 1 of 2


Object Number: 1470747  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block B+ Bus - 2 of 2
Figure 2:

Underhood Fuse Block B+ Bus 2 of 2


Object Number: 1593352  Size: FS
Master Electrical Component List
Control Module References
Left Rear Fuse Block B+ Bus
Underhood Fuse Block B+ Bus - 1 of 2
Underhood Fuse Block B+ Bus - 1 of 2
Figure 3:

Left Rear Fuse Block B+ Bus


Object Number: 1470754  Size: FS
Master Electrical Component List
Control Module References
Right Rear Fuse Block B+ Bus
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block B+ Bus - 1 of 2
Figure 4:

Right Rear Fuse Block B+ Bus


Object Number: 1470755  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch - 1 of 2
Left Rear Fuse Block B+ Bus
Underhood Fuse Block B+ Bus - 2 of 2
Figure 5:

Ignition Switch 1 of 2


Object Number: 1582743  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch - 2 of 2
Right Rear Fuse Block B+ Bus
Underhood Fuse Block B+ Bus - 2 of 2
Figure 6:

Ignition Switch 2 of 2


Object Number: 1582765  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - PARK LAMP Relay/Fuses and DIMMING Fuse
Ignition Switch - 1 of 2
Underhood Fuse Block B+ Bus - 2 of 2
Figure 7:

Underhood Fuse Block - PARK LAMP Relay/Fuses and DIMMING Fuse


Object Number: 1470783  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM and TOS Fuses
Ignition Switch - 2 of 2
Underhood Fuse Block B+ Bus - 2 of 2
Figure 8:

Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM, and TOS Fuses


Object Number: 1582775  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - PRE O2/CAM Fuse
Underhood Fuse Block - PARK LAMP Relay/Fuses and DIMMING Fuse
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block - PRE O2/CAM Fuse
Figure 9:

Underhood Fuse Block - PRE 02/CAM Fuse


Object Number: 1582777  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - POST O2 Fuse
Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM and TOS Fuses
Underhood Fuse Block - COOLING FAN Fuses/Relays, MAIN Relay, ECM and TOS Fuses
Underhood Fuse Block - POST O2 Fuse
Figure 10:

Underhood Fuse Block - POST 02 Fuse


Object Number: 1582781  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - ODD INJ/COIL Fuse
Underhood Fuse Block - PRE O2/CAM Fuse
Underhood Fuse Block - PRE O2/CAM Fuse
Underhood Fuse Block - ODD INJ/COIL Fuse
Figure 11:

Underhood Fuse Block - ODD INJ/ COIL Fuse


Object Number: 1587783  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block EVEN INJ/COIL Fuse
Underhood Fuse Block - POST O2 Fuse
Underhood Fuse Block - POST O2 Fuse
Underhood Fuse Block EVEN INJ/COIL Fuse
Figure 12:

Underhood Fuse Block - EVEN INJ/ COIL Fuse


Object Number: 1582788  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM, and ABS Fuses
Underhood Fuse Block - ODD INJ/COIL Fuse
Underhood Fuse Block - ODD INJ/COIL Fuse
Figure 13:

Underhood Fuse Block - DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM, and ABS Fuses


Object Number: 1582795  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - HEADLAMP Relays/Fuses, ACCESSORY Relay, I/P OUTLET, OUTLET, WPR MOD, WPR SW, and ELEC PRNDL Fuses
Underhood Fuse Block EVEN INJ/COIL Fuse
Underhood Fuse Block B+ Bus - 2 of 2
Figure 14:

Underhood Fuse Block - Headlamp Relays/Fuses, ACCESSORY Relay, I/P OUTLET, OUTLET, WPR MOD, WPR SW, and ELEC PRNDL Fuses


Object Number: 1470798  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - STARTER Relay, IGN 1 Relay, HTR VLV/CLUTCH, and TCM/IPC Fuses
Underhood Fuse Block - DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM, and ABS Fuses
Underhood Fuse Block B+ Bus - 2 of 2
Figure 15:

Underhood Fuse Block - STARTER Relay, IGN 1 Relay, HTR VLV/CLUTCH, and TCM/IPC Fuses


Object Number: 1582800  Size: FS
Master Electrical Component List
Control Module References
Underhood Fuse Block - WASH NOZ, STRG CTLS, and IGN MOD/MAF Fuses
Underhood Fuse Block - HEADLAMP Relays/Fuses, ACCESSORY Relay, I/P OUTLET, OUTLET, WPR MOD, WPR SW, and ELEC PRNDL Fuses
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block - WASH NOZ, STRG CTLS, and IGN MOD/MAF Fuses
Figure 16:

Underhood Fuse Block - WASH NOZ, STRG CTLS, and IGN MOD/MAF Fuses


Object Number: 1582805  Size: FS
Master Electrical Component List
Control Module References
Left Rear Fuse Block - IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING, and IGN 3 Fuses
Underhood Fuse Block - STARTER Relay, IGN 1 Relay, HTR VLV/CLUTCH, and TCM/IPC Fuses
Underhood Fuse Block - STARTER Relay, IGN 1 Relay, HTR VLV/CLUTCH, and TCM/IPC Fuses
Power and Grounding Schematic Icons
Figure 17:

Left Rear Fuse Block - IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING, and IGN 3 Fuses


Object Number: 1618005  Size: FS
Master Electrical Component List
Control Module References
Left Rear Fuse Block - SEAT Circuit Breaker, TRUNK Relay/Fuse, AMP, AUDIO, DRIVER DR MOD, and REAR DR MOD Fuse
Underhood Fuse Block - WASH NOZ, STRG CTLS, and IGN MOD/MAF Fuses
Underhood Fuse Block B+ Bus - 2 of 2
Figure 18:

Left Rear Fuse Block - SEAT Circuit Breaker, TRUNK Relay/Fuse, AMP, AUDIO, DRIVER DR MOD, and REAR DR MOD Fuses


Object Number: 1470804  Size: FS
Master Electrical Component List
Control Module References
Right Rear Fuse Block - IGN 1 Relay, ARIBAG, RIM, BS, PSGR DR MOD, and TV/VICS Fuses
Left Rear Fuse Block - IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING, and IGN 3 Fuses
Underhood Fuse Block B+ Bus - 2 of 2
Figure 19:

Right Rear Fuse Block - IGN 1 Relay, AIR BAG, RIM, ABS, PSGR DR MOD, and TV/VICS Fuses


Object Number: 1470805  Size: FS
Master Electrical Component List
Control Module References
Right Rear Fuse Block - DR MOD PWR Circuit Breaker, CANISTER VENT, RIM/IGN SW, R FRT HTD SEAT MOD, and POWER SOUNDER Fuses
Left Rear Fuse Block - SEAT Circuit Breaker, TRUNK Relay/Fuse, AMP, AUDIO, DRIVER DR MOD, and REAR DR MOD Fuse
Underhood Fuse Block B+ Bus - 2 of 2
Figure 20:

Right Rear Fuse Block - DR MOD PWR Circuit Breaker, CANISTER VENT, RUM/IGN SW, R FRT HTD SEAT MOD, and POWER SOUNDER Fuses


Object Number: 1582811  Size: FS
Master Electrical Component List
Control Module References
Right Rear Fuse Block - IGN 1 Relay, ARIBAG, RIM, BS, PSGR DR MOD, and TV/VICS Fuses
Underhood Fuse Block B+ Bus - 2 of 2