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

B+ Bus Bar


Object Number: 680516  Size: FS
Master Electrical Component List
Ign START, RUN and ACC Bus Bar
G104, G106, G107, G108 and G118
Figure 2:

Ign START, RUN and ACC Bus Bar


Object Number: 680519  Size: FS
Master Electrical Component List
Ign RUN and START Bus Bar
B+ Bus Bar
B+ Bus Bar
Passlock ™ Sensor, Liftglass Relay and RAP Relay
Figure 3:

Ign RUN and START Bus Bar


Object Number: 680520  Size: FS
Master Electrical Component List
A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses
Ign START, RUN and ACC Bus Bar
B+ Bus Bar
Figure 4:

A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses


Object Number: 680522  Size: FS
Master Electrical Component List
HVAC, RR W/W, ATC, HTD SEAT, RR DEFOG and HTD MIR Fuses
Ign RUN and START Bus Bar
B+ Bus Bar
Figure 5:

HVAC, RR W/W, ATC, HTD SEAT, RR DEFOG and HTD MIR Fuses


Object Number: 680523  Size: FS
Master Electrical Component List
HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses
A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses
B+ Bus Bar
Figure 6:

HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses


Object Number: 680525  Size: FS
Master Electrical Component List
IGN E, GAUGES, and SIR Fuses
HVAC, RR W/W, ATC, HTD SEAT, RR DEFOG and HTD MIR Fuses
B+ Bus Bar
Figure 7:

IGN E, GAUGES, and SIR Fuses


Object Number: 680529  Size: FS
Master Electrical Component List
MIR/LKS, LH HDLP and RH HDLP Fuses
HDLP W/W, IGN C, TBC, LDLEV, and HORN Fuses
SIR Handling Caution
Ign START, RUN and ACC Bus Bar
Ign START, RUN and ACC Bus Bar
MIR/LKS, LH HDLP and RH HDLP Fuses
SIR Handling Caution
Figure 8:

MIR/LKS, LH HDLP and RH HDLP Fuses


Object Number: 680533  Size: FS
Master Electrical Component List
STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses
IGN E, GAUGES, and SIR Fuses
B+ Bus Bar
IGN E, GAUGES, and SIR Fuses
Figure 9:

STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses


Object Number: 680537  Size: FS
Master Electrical Component List
RDO BAT and AUX PWR Fuses
MIR/LKS, LH HDLP and RH HDLP Fuses
RDO BAT and AUX PWR Fuses
B+ Bus Bar
Figure 10:

RDO BAT and AUX PWR Fuses


Object Number: 680538  Size: FS
Master Electrical Component List
TURN, HAZ SW, LT TURN, TRL TRN, LT TRN, TRR TRN, RT TRN, and RT TURN FuSes
STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses
STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses
TURN, HAZ SW, LT TURN, TRL TRN, LT TRN, TRR TRN, RT TRN, and RT TURN FuSes
Figure 11:

TURN, HAZ SW, LT TURN, TRL TRN, LT TRN, TRR TRN, RT TRN, and RT TURN Fuses


Object Number: 680539  Size: FS
Master Electrical Component List
Power Seats and Power Window Circuit Breakers
RDO BAT and AUX PWR Fuses
Ign START, RUN and ACC Bus Bar
RDO BAT and AUX PWR Fuses
Figure 12:

Power Seats and Power Window Circuit Breakers


Object Number: 680540  Size: FS
Master Electrical Component List
4WD and HVAC I Fuses
TURN, HAZ SW, LT TURN, TRL TRN, LT TRN, TRR TRN, RT TRN, and RT TURN FuSes
Ign START, RUN and ACC Bus Bar
Figure 13:

4WD and HVAC I Fuses


Object Number: 680541  Size: FS
Master Electrical Component List
RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses
Power Seats and Power Window Circuit Breakers
RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses
Figure 14:

RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses


Object Number: 680542  Size: FS
Master Electrical Component List
CLSTR Fuse
4WD and HVAC I Fuses
4WD and HVAC I Fuses
Figure 15:

CLSTR Fuse


Object Number: 680544  Size: FS
Master Electrical Component List
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses
Figure 16:

PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses


Object Number: 680545  Size: FS
Master Electrical Component List
ILLUM and PARK LP Fuses
CLSTR Fuse
B+ Bus Bar
ILLUM and PARK LP Fuses
Figure 17:

ILLUM and PARK LP Fuses


Object Number: 680547  Size: FS
Master Electrical Component List
B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
Interior Lamps
SP203
Figure 18:

B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses


Object Number: 680548  Size: FS
Master Electrical Component List
ECM I Fuse
ILLUM and PARK LP Fuses
Ign START, RUN and ACC Bus Bar
Figure 19:

ECM I Fuse


Object Number: 680549  Size: FS
Master Electrical Component List
B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses
Ign START, RUN and ACC Bus Bar