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

Battery Feed to Fuse Block -- Rear


Object Number: 899926  Size: FS
Master Electrical Component List
Battery Feed to Fuse Block - Underhood
Figure 2:

Battery Feed to Fuse Block -- Underhood


Object Number: 879618  Size: FS
Master Electrical Component List
IGN SW and HTDST Fuses
Battery Feed to Fuse Block - Rear
Figure 3:

IGN SW and HTDST Fuses


Object Number: 879619  Size: FS
Master Electrical Component List
Ignition Switch Supply
Battery Feed to Fuse Block - Underhood
Ignition Switch Supply
Figure 4:

Ignition Switch Supply


Object Number: 879620  Size: FS
Master Electrical Component List
ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses
IGN SW and HTDST Fuses
IGN SW and HTDST Fuses
ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses
ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses
Ignition Switch Supply and HVAC and ABS Fuses
Figure 5:

ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses


Object Number: 879621  Size: FS
Master Electrical Component List
Ignition Switch Supply and HVAC and ABS Fuses
Ignition Switch Supply
Ignition Switch Supply
Ignition Switch Supply
OXY SEN, COIL MDL, and CRUISE Fuses
Figure 6:

Ignition Switch Supply and HVAC and ABS Fuses


Object Number: 879624  Size: FS
Master Electrical Component List
IGN 3 RR Fuse
ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses
Ignition Switch Supply
Automatic Level Control (w/o F55)
Park Brake System Schematics
Park Brake System Schematics
Defogger Schematics
Blower Motor - Auxiliary
IGN 3 RR Fuse
Figure 7:

IGN 3 RR Fuse


Object Number: 879626  Size: FS
Master Electrical Component List
MEM T/T, PWR T/T, and TSIG/HAZ Fuses
Ignition Switch Supply and HVAC and ABS Fuses
Ignition Switch Supply and HVAC and ABS Fuses
Figure 8:

MEM T&T, PWR T&T, and TSIG/HAZ Fuses


Object Number: 879627  Size: FS
Master Electrical Component List
PWR SEAT Circuit Breaker and CVRTD Fuse
IGN 3 RR Fuse
Figure 9:

PWR SEAT Circuit Breaker and CVRTD Fuse


Object Number: 879629  Size: FS
Master Electrical Component List
OXY SEN, COIL MDL, and CRUISE Fuses
MEM T/T, PWR T/T, and TSIG/HAZ Fuses
Figure 10:

OXY SEN, COIL MDL, and CRUISE Fuses


Object Number: 879632  Size: FS
Master Electrical Component List
IGN 1 Fuse
PWR SEAT Circuit Breaker and CVRTD Fuse
ACCY and IGN 1 Relays and INJR 1 and INJR 2 Fuses
IGN 1 Fuse
Figure 11:

IGN 1 Fuse


Object Number: 879633  Size: FS
Master Electrical Component List
PRK LP Relay and LP PK L Fuse
OXY SEN, COIL MDL, and CRUISE Fuses
OXY SEN, COIL MDL, and CRUISE Fuses
Figure 12:

PRK LP Relay and LP PK L Fuse


Object Number: 879634  Size: FS
Master Electrical Component List
LP PK R Fuse
IGN 1 Fuse
LP PK R Fuse
Figure 13:

LP PK R Fuse


Object Number: 879635  Size: FS
Master Electrical Component List
DIMR Fuse
PRK LP Relay and LP PK L Fuse
PRK LP Relay and LP PK L Fuse
DIMR Fuse
Figure 14:

DIMR Fuse


Object Number: 864260  Size: FS
Master Electrical Component List
HDLP HI BM and HDLP LO BM Relays and HDHI BM and HDLO BM Fuses
LP PK R Fuse
LP PK R Fuse
Figure 15:

HDLP HI BM and HDLP LO BM Relays and HDHI BM and HDLO BM Fuses


Object Number: 879638  Size: FS
Master Electrical Component List
EXPORT LGT Fuse
DIMR Fuse
Figure 16:

EXPORT LGT Fuse


Object Number: 879641  Size: FS
Master Electrical Component List
PWR WDO Circuit Breaker
HDLP HI BM and HDLP LO BM Relays and HDHI BM and HDLO BM Fuses
Figure 17:

PWR WDO Circuit Breaker


Object Number: 879643  Size: FS
Master Electrical Component List
ELC, DRVMDL, PASSMDL, RRDRMDL Fuses
EXPORT LGT Fuse
Figure 18:

ELC, DRVMDL, PASSMDL, RRDRMDL Fuses


Object Number: 879647  Size: FS
Master Electrical Component List
AUDIO, AUDIO AMP, DIM Fuses
PWR WDO Circuit Breaker
Figure 19:

AUDIO, AUDIO AMP, DIM Fuses (Early Production)


Object Number: 879649  Size: FS
Master Electrical Component List
ALDL, PCM BATT, I/P, ABS Fuses
ELC, DRVMDL, PASSMDL, RRDRMDL Fuses
Figure 20:

Audio, Audio Amp, DIM Fuses (Late Production)


Object Number: 1202065  Size: FS
Master Electrical Component List
Figure 21:

ALDL, PCM BATT, I/P, ABS Fuses


Object Number: 879651  Size: FS
Master Electrical Component List
IGN 1 Relay and SIR, VENT SOL, IGN 1 Fuses
AUDIO, AUDIO AMP, DIM Fuses
Figure 22:

IGN 1 Relay and SIR, VENT SOL, IGN 1 Fuses


Object Number: 879653  Size: FS
Master Electrical Component List
CIGAR Relay and STOP LP, CIGAR, HVAC BLO Fuses
ALDL, PCM BATT, I/P, ABS Fuses
SIR Handling Caution
SIR Handling Caution
Figure 23:

CIGAR Relay and STOP LP, CIGAR HVAC BLO Fuses


Object Number: 879656  Size: FS
Master Electrical Component List
NAV, EXPORT BRK, and SDAR Fuses
IGN 1 Relay and SIR, VENT SOL, IGN 1 Fuses
Figure 24:

NAV, EXPORT BRK, and SDAR Fuses


Object Number: 879657  Size: FS
Master Electrical Component List
ACCY and WSW Fuses and ACCY Relay and HDLP WASH Circuit Breaker
CIGAR Relay and STOP LP, CIGAR, HVAC BLO Fuses
Figure 25:

ACCY and WSW Fuses and ACCY Relay and HDLP WASH Circuit Breaker


Object Number: 879659  Size: FS
Master Electrical Component List
NAV, EXPORT BRK, and SDAR Fuses