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
Power Distribution Schematics-Battery Feed to Fuseblock Underhood
Power Distribution Schematics-Battery Feed to Fuseblock Underhood
Figure 2:

Battery Feed to Fuse Block -- Underhood


Object Number: 879618  Size: FS
Master Electrical Component List
Power Distribution Schematics-Ignition Switch and Heated Seat Fuses
Power Distribution Schematics-Battery Feed to Fuse Block Rear
Power Distribution Schematics-Battery Feed to Fuse Block Rear
Figure 3:

IGN SW and HTDST Fuses


Object Number: 879619  Size: FS
Master Electrical Component List
Power Distribution Schematics-Ignition Switch Supply
Power Distribution Schematics-Battery Feed to Fuseblock Underhood
Power Distribution Schematics-Ignition Switch Supply
Figure 4:

Ignition Switch Supply


Object Number: 1230546  Size: FS
Master Electrical Component List
Power Distribution Schematics-ACCY and IGN 1 Relays, INJ 1 and 2 Fuses
Power Distribution Schematics-Ignition Switch and Heated Seat Fuses
Power Distribution Schematics-Ignition Switch and Heated Seat Fuses
Power Distribution Schematics-ACCY and IGN 1 Relays, INJ 1 and 2 Fuses
Power Distribution Schematics-ACCY and IGN 1 Relays, INJ 1 and 2 Fuses
Power Distribution Schematics-Ignition Switch Supply, HVAC and ABS Fuses
Figure 5:

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


Object Number: 1251877  Size: FS
Master Electrical Component List
Power Distribution Schematics-Ignition Switch Supply, HVAC and ABS Fuses
Power Distribution Schematics-Ignition Switch Supply
Power Distribution Schematics-Ignition Switch Supply
Power Distribution Schematics-Ignition Switch Supply
Figure 6:

Ignition Switch Supply and HVAC and ABS Fuses


Object Number: 879624  Size: FS
Master Electrical Component List
Power Distribution Schematics-Ignition 3 RR Fuse
Power Distribution Schematics-ACCY and IGN 1 Relays, INJ 1 and 2 Fuses
Power Distribution Schematics-Ignition Switch Supply
Power Distribution Schematics-Ignition 3 RR Fuse
Figure 7:

IGN 3 RR Fuse


Object Number: 879626  Size: FS
Master Electrical Component List
Power Distribution Schematics-MEM T and T,PWR T and T, and TSIG/HAZ Fuses
Power Distribution Schematics-Ignition Switch Supply, HVAC and ABS Fuses
Power Distribution Schematics-Ignition Switch Supply, 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
Power Distribution Schematics-Power Seat Circuit Breaker and CVRTD Fuse
Power Distribution Schematics-Ignition 3 RR Fuse
Figure 9:

PWR SEAT Circuit Breaker and CVRTD Fuse


Object Number: 879629  Size: FS
Master Electrical Component List
Power Distribution Schematics-Oxygen Sensors,Coil Modules, and Cruise Fuses
Power Distribution Schematics-MEM T and T,PWR T and T, and TSIG/HAZ Fuses
Figure 10:

OXY SEN, CRUISE Fuses


Object Number: 1370956  Size: FS
Master Electrical Component List
Power Distribution Schematics-Ignition 1 Fuse
Power Distribution Schematics-Power Seat Circuit Breaker and CVRTD Fuse
Power Distribution Schematics-Ignition 1 Fuse
Power Distribution Schematics-ACCY and IGN 1 Relays, INJ 1 and 2 Fuses
Figure 11:

IGN 1 Fuse


Object Number: 1220866  Size: FS
Master Electrical Component List
Coil Module Fuse
Power Distribution Schematics-Oxygen Sensors,Coil Modules, and Cruise Fuses
Power Distribution Schematics-Oxygen Sensors,Coil Modules, and Cruise Fuses
Figure 12:

Coil Module Fuse


Object Number: 1370954  Size: FS
Master Electrical Component List
Power Distribution Schematics-PRK LP Relay, and LP PK L Fuse
Power Distribution Schematics-Ignition 1 Fuse
Power Distribution Schematics-Ignition 1 Fuse
Figure 13:

PRK LP Relay and LP PK L Fuse


Object Number: 879634  Size: FS
Master Electrical Component List
Power Distribution Schematics-LP PK R Fuse
Power Distribution Schematics-Ignition 1 Fuse
Power Distribution Schematics-LP PK R Fuse
Figure 14:

LP PK R Fuse


Object Number: 879635  Size: FS
Master Electrical Component List
Power Distribution Schematics-DIMR Fuse
Power Distribution Schematics-PRK LP Relay, and LP PK L Fuse
Power Distribution Schematics-PRK LP Relay, and LP PK L Fuse
Power Distribution Schematics-DIMR Fuse
Figure 15:

DIMR Fuse


Object Number: 864260  Size: FS
Master Electrical Component List
Power Distribution Schematics-HDLP HI BM and HDLP LO BM Relays and Fuses
Power Distribution Schematics-LP PK R Fuse
Power Distribution Schematics-LP PK R Fuse
Figure 16:

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


Object Number: 879638  Size: FS
Master Electrical Component List
Power Distribution Schematics-EXPORT LGT Fuse
Power Distribution Schematics-DIMR Fuse
Figure 17:

EXPORT LGT Fuse


Object Number: 879641  Size: FS
Master Electrical Component List
Power Distribution Schematics-Power Window Circuit Breaker
Power Distribution Schematics-HDLP HI BM and HDLP LO BM Relays and Fuses
Figure 18:

PWR WDO Circuit Breaker


Object Number: 879643  Size: FS
Master Electrical Component List
Power Distribution Schematics-ELC,DRVMDL,PASSMDL,RRDRMDL Fuses
Power Distribution Schematics-EXPORT LGT Fuse
Figure 19:

ELC, DRVMDL, PASSMDL, RRDRMDL Fuses


Object Number: 879647  Size: FS
Master Electrical Component List
Power Distribution Schematics-Audio, Audio Amp, DIM Fuses
Power Distribution Schematics-Power Window Circuit Breaker
Figure 20:

Audio, Audio Amp, DIM Fuses


Object Number: 1202065  Size: FS
Master Electrical Component List
Power Distribution Schematics-ALDL, PCM Battery, I/P, ABS Fuses
Power Distribution Schematics-ELC,DRVMDL,PASSMDL,RRDRMDL Fuses
Figure 21:

ALDL, PCM BATT, I/P, ABS Fuses


Object Number: 1220872  Size: FS
Master Electrical Component List
Power Distribution Schematics-IGN 1 Relay,SIR,Vent Sol and Ignition 1 Fuses
Power Distribution Schematics-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
Power Distribution Schematics-Cigar Relay and Stop LP, Cigar, HVAC BLO Fuses
Power Distribution Schematics-ALDL, PCM Battery, 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
Power Distribution Schematics-NAV, EXPORT BRK and SDAR Fuses
Power Distribution Schematics-IGN 1 Relay,SIR,Vent Sol and Ignition 1 Fuses
Figure 24:

NAV, EXPORT BRK, and SDAR Fuses


Object Number: 879657  Size: FS
Master Electrical Component List
Power Distribution Schematics-ACCY,WSW Fuses,ACCY Relay-HDLP/WASH Cir Brkr
Power Distribution Schematics-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
Power Distribution Schematics-NAV, EXPORT BRK and SDAR Fuses