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

Battery and BRK, HORNS and STOP LP Circuit Breakers, HD LP SW, HORN/STOP and IGN SW 1 Fuses


Object Number: 682040  Size: FS
Master Electrical Component List
AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER1 and ENGINE Fuses
EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses
AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER1 and ENGINE Fuses
ACC, B/U, CHASSIS, IGN 1, IGN 3 and START Circuit Breakers
Figure 2:

AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER 1 and ENGINE Fuses


Object Number: 682047  Size: FS
Master Electrical Component List
EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses
Battery and BRK, HORNS and STOP LP Circuit Breakers, HD LP SW, HORN/STOP and IGN SW 1 Fuses
Battery and BRK, HORNS and STOP LP Circuit Breakers, HD LP SW, HORN/STOP and IGN SW 1 Fuses
EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses
Figure 3:

EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses


Object Number: 682050  Size: FS
Master Electrical Component List
ACC, B/U, CHASSIS, IGN 1, IGN 3 and START Circuit Breakers
AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER1 and ENGINE Fuses
AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER1 and ENGINE Fuses
Battery and BRK, HORNS and STOP LP Circuit Breakers, HD LP SW, HORN/STOP and IGN SW 1 Fuses
ACC, B/U, CHASSIS, IGN 1, IGN 3 and START Circuit Breakers
Figure 4:

ACC, B/U, CHASSIS, IGN 1, IGN 3 and START Circuit Breakers


Object Number: 682054  Size: FS
Master Electrical Component List
IGN 1 Circuit Breaker, S225, S226, S230
EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses
EVEN INJ, HAZ, ODD INJ, PNL and TL/MKR Circuit Breakers, ABS, BODY POWER 2, IGN SW 2, LIGHTING, PCM/INJECTORS and STARTER Fuses
AUX 1, AUX 2, ECM, ENG, ETM and FUEL Circuit Breakers, AUX, BODY POWER1 and ENGINE Fuses
Figure 5:

IGN 1 Circuit Breaker, S225, S226, S230


Object Number: 682065  Size: FS
Master Electrical Component List
IGN 1 Circuit Breaker, S232, S243
ACC, B/U, CHASSIS, IGN 1, IGN 3 and START Circuit Breakers
Power and Grounding Schematic Icons
IGN 1 Circuit Breaker, S232, S243
IGN 1 Circuit Breaker, S232, S243
Figure 6:

IGN 1 Circuit Breaker, S232, S243


Object Number: 682067  Size: FS
Master Electrical Component List
IGN 3 Circuit Breaker
IGN 1 Circuit Breaker, S225, S226, S230
IGN 1 Circuit Breaker, S225, S226, S230
IGN 1 Circuit Breaker, S225, S226, S230
Figure 7:

IGN 3 Circuit Breaker


Object Number: 682069  Size: FS
Master Electrical Component List
AUX 1, AUX 2, B/U and CHASSIS Circuit Breakers
IGN 1 Circuit Breaker, S232, S243
AUX 1, AUX 2, B/U and CHASSIS Circuit Breakers
AUX 1, AUX 2, B/U and CHASSIS Circuit Breakers
Figure 8:

AUX 1, AUX 2, B/U and CHASSIS Circuit Breakers


Object Number: 682072  Size: FS
Master Electrical Component List
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
IGN 3 Circuit Breaker
IGN 3 Circuit Breaker
Figure 9:

HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers


Object Number: 682076  Size: FS
Master Electrical Component List
ECM, ENG and FUEL Circuit Breakers
AUX 1, AUX 2, B/U and CHASSIS Circuit Breakers
Figure 10:

ECM, ENG and FUEL Circuit Breakers


Object Number: 682080  Size: FS
Master Electrical Component List
ACC, BRK and START Circuit Breakers
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
Figure 11:

ACC, BRK and START Circuit Breakers


Object Number: 682082  Size: FS
Master Electrical Component List
ODD INJ and PCM Circuit Breakers (L18)
ECM, ENG and FUEL Circuit Breakers
Figure 12:

ODD INJ and PCM Circuit Breakers (L18)


Object Number: 682084  Size: FS
Master Electrical Component List
ETM and EVEN INJ Circuit Breakers (L18)
ACC, BRK and START Circuit Breakers
ETM and EVEN INJ Circuit Breakers (L18)
Figure 13:

ETM and EVEN INJ Circuit Breakers (L18)


Object Number: 682086  Size: FS
Master Electrical Component List
ODD INJ and PCM Circuit Breakers (L18)
ODD INJ and PCM Circuit Breakers (L18)