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

Fuse Block-SEO and Fusible Links


Object Number: 796990  Size: FS
Master Electrical Component List
Junction Block-Underhood (Top) Bussing
Junction Block-Underhood (Top) Bussing
Figure 2:

Junction Block-Underhood (Top) Bussing


Object Number: 796991  Size: FS
Master Electrical Component List
Junction Block - Underhood (Bottom) Bussing
Fuse Block-SEO and Fusible Links
Fuse Block-SEO and Fusible Links
Junction Block - Underhood (Bottom) Bussing
Figure 3:

Junction Block-Underhood (Bottom) Bussing


Object Number: 796992  Size: FS
Master Electrical Component List
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
Junction Block-Underhood (Top) Bussing
Junction Block-Underhood (Top) Bussing
Figure 4:

CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, and RETAINED ACCSRY PWR RELAY


Object Number: 814582  Size: FS
Master Electrical Component List
B/U LP, DIC/RKE, PWR DROP, and RH HTD ST Fuses, PWR SEATS Circuit Breaker
Junction Block - Underhood (Bottom) Bussing
Figure 5:

B/U LP, DIC/RKE, PWR DROP, and RT HTD ST Fuses, PWR SEATS BRKR Circuit Breaker


Object Number: 792627  Size: FS
Master Electrical Component List
BATT RUNDOWN PROTECTION Relay, I/P BRP, and TRK, ROOF BRP Fuses
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
FRT PARK LP and REAR PARK LP Fuses
Figure 6:

BATT RUNDOWN PROTECTION RELAY, IP BRP, and TRK/ROOF BRP Fuses


Object Number: 792629  Size: FS
Master Electrical Component List
FRT PARK LP and REAR PARK LP Fuses
B/U LP, DIC/RKE, PWR DROP, and RH HTD ST Fuses, PWR SEATS Circuit Breaker
Figure 7:

FRT PARK LP, and REAR PRK LP Fuses


Object Number: 792631  Size: FS
Master Electrical Component List
AUX PWR, BRK SW, C/LTR, DRL/EXT LTS, HAZ SW, HVAC BLO, RT I/P#2. Spot Lamp-Left, and Spot Lamp-Right Fuses, DRL RLY Relay Fuses
BATT RUNDOWN PROTECTION Relay, I/P BRP, and TRK, ROOF BRP Fuses
B/U LP, DIC/RKE, PWR DROP, and RH HTD ST Fuses, PWR SEATS Circuit Breaker
Dimming Control, and Steering Wheel Controls
Dimming Control, and Steering Wheel Controls
Power and Grounding Schematic Icons
Figure 8:

AUX PWR, BRK SW, C/LTR, DRL/EXT LTS, HAZ SW, HVAC BLO, RT I/P#2, Spotlamp-Left, and Spotlamp-Right Fuses, DRL RLY Relay


Object Number: 792632  Size: FS
Master Electrical Component List
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
FRT PARK LP and REAR PARK LP Fuses
Junction Block-Underhood (Top) Bussing
Figure 9:

A/C RLY (CMPR), A.I.R. PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses


Object Number: 796993  Size: FS
Master Electrical Component List
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
AUX PWR, BRK SW, C/LTR, DRL/EXT LTS, HAZ SW, HVAC BLO, RT I/P#2. Spot Lamp-Left, and Spot Lamp-Right Fuses, DRL RLY Relay Fuses
Junction Block-Underhood (Top) Bussing
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
Figure 10:

A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses


Object Number: 792635  Size: FS
Master Electrical Component List
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
Figure 11:

ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses


Object Number: 792633  Size: FS
Master Electrical Component List
HTD MIR, RADIO, and RT IP#3 Fuses, REAR DEFOG Circuit Breaker, and REAR DEFOG Relay
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
Power and Grounding Schematic Icons
Figure 12:

HTD MIR, RADIO, and RT IP#3 Fuses, REAR DEFOG BRKR Circuit Breaker, and REAR DEFOG RELAY


Object Number: 789081  Size: FS
Master Electrical Component List
FUEL INJ, and TRANS SOL Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
Figure 13:

FUEL INJ, and TRANS SOL Fuses


Object Number: 796994  Size: FS
Master Electrical Component List
DFI MDL, ENG DEVICES, and OXY SEN Fuses
HTD MIR, RADIO, and RT IP#3 Fuses, REAR DEFOG Circuit Breaker, and REAR DEFOG Relay
Junction Block - Underhood (Bottom) Bussing
Figure 14:

DFI MDL, ENG DEVICES, and OXY SEN Fuses


Object Number: 796995  Size: FS
Master Electrical Component List
FUEL INJ, and TRANS SOL Fuses
Junction Block - Underhood (Bottom) Bussing