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

Batteries - L18


Object Number: 1909484  Size: FS
Master Electrical Component List
Control Module References
Batteries - LMM
Batteries - LF6/LF8 and B+ Bus
Figure 2:

Batteries - LMM


Object Number: 1909486  Size: FS
Master Electrical Component List
Control Module References
Batteries - LF6/LF8 and B+ Bus
Batteries - L18
Batteries - LF6/LF8 and B+ Bus
Figure 3:

Batteries - LF6/LF8 and B+ Bus


Object Number: 1909490  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
Batteries - LMM
Batteries - L18
Batteries - LMM
Figure 4:

Ignition Switch - OFF/RUN/START, RUN/START, and START Busses


Object Number: 1909492  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch - RUN and ACC/RUN Busses
Batteries - LF6/LF8 and B+ Bus
Batteries - LF6/LF8 and B+ Bus
Figure 5:

Ignition Switch - RUN and ACC/RUN Busses


Object Number: 1909495  Size: FS
Master Electrical Component List
Control Module References
STRTR Fuse/Circuit Breaker
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
Batteries - LF6/LF8 and B+ Bus
Figure 6:

STRTR Fuse/Circuit Breaker


Object Number: 1909497  Size: FS
Master Electrical Component List
Control Module References
TRANS Fuse/Circuit Breaker
Ignition Switch - RUN and ACC/RUN Busses
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
Figure 7:

TRANS Fuse/Circuit Breaker


Object Number: 1909499  Size: FS
Master Electrical Component List
Control Module References
TRN/BCK/UP Fuse/Circuit Breaker
STRTR Fuse/Circuit Breaker
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
Figure 8:

TRN/BCK/UP Fuse/Circuit Breaker


Object Number: 1909501  Size: FS
Master Electrical Component List
Control Module References
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
TRANS Fuse/Circuit Breaker
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
Figure 9:

AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers


Object Number: 1909505  Size: FS
Master Electrical Component List
Control Module References
ENGINE and PCM-1 Fuses/Circuit Breakers
TRN/BCK/UP Fuse/Circuit Breaker
TRN/BCK/UP Fuse/Circuit Breaker
TRN/BCK/UP Fuse/Circuit Breaker
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
Figure 10:

ENGINE and PCM-1 Fuses/Circuit Breakers


Object Number: 1909509  Size: FS
Master Electrical Component List
Control Module References
ENG-2, ENG-3, and O2S Fuses - L18
AIRBAG, GAGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers
Batteries - LF6/LF8 and B+ Bus
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
ENG-1 and ENG-4 Fuses - LF6/LF8
ENG-1 and ENG-4 Fuses - L18/LMM
ENG-2, ENG-3, and O2S Fuses - L18
ENG-2, and ENG-3 Fuses - LF8
ENG-2, and ENG-3 Fuses - LF6/LMM
Figure 11:

ENG-2, ENG-3, and O2S Fuses - L18


Object Number: 1909511  Size: FS
Master Electrical Component List
Control Module References
ENG-2, and ENG-3 Fuses - LF8
ENGINE and PCM-1 Fuses/Circuit Breakers
ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 12:

ENG-2 and ENG-3 Fuses - LF8


Object Number: 1909513  Size: FS
Master Electrical Component List
Control Module References
ENG-2, and ENG-3 Fuses - LF6/LMM
ENG-2, ENG-3, and O2S Fuses - L18
ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 13:

ENG-2 and ENG-3 Fuses - LF6/LMM


Object Number: 1909515  Size: FS
Master Electrical Component List
Control Module References
ENG-1 and ENG-4 Fuses - LF6/LF8
ENG-2, and ENG-3 Fuses - LF8
ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 14:

ENG-1 and ENG-4 Fuses - LF6/LF8


Object Number: 1909518  Size: FS
Master Electrical Component List
Control Module References
ENG-1 and ENG-4 Fuses - L18/LMM
ENG-2, and ENG-3 Fuses - LF6/LMM
ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 15:

ENG-1 and ENG-4 Fuses - L18/LMM


Object Number: 1909521  Size: FS
Master Electrical Component List
Control Module References
AXL/4WD, BRK, HYD/AIR BRK, and HTR/AC Fuses/Circuit Breakers
ENG-1 and ENG-4 Fuses - LF6/LF8
ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 16:

AXL/4WD, BRK, HYD/AIR BRK, and HTR/AC Fuses/Circuit Breakers


Object Number: 1909524  Size: FS
Master Electrical Component List
Control Module References
AUX WIRE and IGN 4 - Fuses/Circuit Breakers
ENG-1 and ENG-4 Fuses - L18/LMM
Ignition Switch - RUN and ACC/RUN Busses
Figure 17:

AUX WIRE and IGN-4 - Fuses/Circuit Breakers


Object Number: 1909526  Size: FS
Master Electrical Component List
Control Module References
IGN-4, ELEC BRK/BRKLP, HDLP, MKR LTS, PWR WNDW, DRL, and RADIO Fuses/Circuit Breakers
AXL/4WD, BRK, HYD/AIR BRK, and HTR/AC Fuses/Circuit Breakers
Ignition Switch - RUN and ACC/RUN Busses
Ignition Switch - RUN and ACC/RUN Busses
Batteries - LF6/LF8 and B+ Bus
Figure 18:

IGN-4 , ELEC BRK/BRKLP, HDLP, MKR LTS, PWR WNDW, DRL, and RADIO Fuses/Circuit Breakers


Object Number: 1909529  Size: FS
Master Electrical Component List
Control Module References
LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuits Breakers - 1 of 2
AUX WIRE and IGN 4 - Fuses/Circuit Breakers
Batteries - LF6/LF8 and B+ Bus
LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuits Breakers - 1 of 2
Figure 19:

LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuit Breakers - 1 of 2


Object Number: 1909532  Size: FS
Master Electrical Component List
Control Module References
CTSY and LT PARK Fuses/Circuits Breakers - 2 of 2
IGN-4, ELEC BRK/BRKLP, HDLP, MKR LTS, PWR WNDW, DRL, and RADIO Fuses/Circuit Breakers
IGN-4, ELEC BRK/BRKLP, HDLP, MKR LTS, PWR WNDW, DRL, and RADIO Fuses/Circuit Breakers
CTSY and LT PARK Fuses/Circuits Breakers - 2 of 2
Figure 20:

CTSY LAMPS and LT PARK Fuses/Circuit Breakers - 2 of 2


Object Number: 1909536  Size: FS
Master Electrical Component List
Control Module References
BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers
LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuits Breakers - 1 of 2
LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuits Breakers - 1 of 2
LIGHTING, CTSY LAMPS, PRK LAMPS, HVAC, ILLUM, LT PARK, and RT PARK Fuses/Circuits Breakers - 1 of 2
Figure 21:

BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers


Object Number: 1909539  Size: FS
Master Electrical Component List
Control Module References
BRK Fuses/Circuit Breaker
CTSY and LT PARK Fuses/Circuits Breakers - 2 of 2
Batteries - LF6/LF8 and B+ Bus
RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers
BRK Fuses/Circuit Breaker
TRN/BCK/UP Fuse/Circuit Breaker
Figure 22:

BRK Fuse/Circuit Breaker


Object Number: 1909543  Size: FS
Master Electrical Component List
Control Module References
ABS-1, ABS-2, ABS-3, E/A PUMP and HORN Fuses/Circuit Breakers
BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers
BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers
Figure 23:

ABS-1, ABS-2, ABS-3, E/A PUMP, and HORN Fuses/Circuit Breakers


Object Number: 1909546  Size: FS
Master Electrical Component List
Control Module References
A/C COMP, HTD FUEL, PCM-B and RR DEFOG Fuses
BRK Fuses/Circuit Breaker
Batteries - LF6/LF8 and B+ Bus
Figure 24:

A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses


Object Number: 1909554  Size: FS
Master Electrical Component List
Control Module References
FUEL Fuse/Circuit Breaker - L18/LMM, PCV Circuit Breaker - LF8, and ECM-B Circuit Breaker - LF6
ABS-1, ABS-2, ABS-3, E/A PUMP and HORN Fuses/Circuit Breakers
Batteries - LF6/LF8 and B+ Bus
Batteries - LF6/LF8 and B+ Bus
Figure 25:

FUEL Fuse/Circuit Breaker - L18/LMM, PCV Circuit Breaker - LF8, and ECM-B Circuit Breaker - LF6


Object Number: 1909561  Size: FS
Master Electrical Component List
Control Module References
RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers
A/C COMP, HTD FUEL, PCM-B and RR DEFOG Fuses
Batteries - LF6/LF8 and B+ Bus
Batteries - LF6/LF8 and B+ Bus
Batteries - LF6/LF8 and B+ Bus
Figure 26:

RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers


Object Number: 1909566  Size: FS
Master Electrical Component List
Control Module References
FUEL Fuse/Circuit Breaker - L18/LMM, PCV Circuit Breaker - LF8, and ECM-B Circuit Breaker - LF6
BAT/HAZ, HAZRD, PWR/ACCY, STOP, and TRLR Fuses/Circuit Breakers