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

Battery, Generator, Starter Solenoid, and Underhood Fuse Block


Object Number: 482947  Size: FS
Power and Grounding Components
BATT and LIGHTING Fuse
Figure 2:

BATT and LIGHTING Fuse


Object Number: 482948  Size: FS
Power and Grounding Components
UPFITTER-BATT and UPFITTER-ACCY Fuse
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 3:

UPFITTER-BATT and UPFITTER-ACCY Fuse


Object Number: 482949  Size: FS
Power and Grounding Components
IGN-A Fuse and Ignition Switch
BATT and LIGHTING Fuse
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 4:

IGN-A Fuse and Ignition Switch


Object Number: 482950  Size: FS
Power and Grounding Components
Power Distribution Schematics
UPFITTER-BATT and UPFITTER-ACCY Fuse
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 5:

IGN-B Fuse and Ignition Switch


Object Number: 482951  Size: FS
Power and Grounding Components
RH HDLMP and LH HDLMP Fuse
IGN-A Fuse and Ignition Switch
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 6:

RH HDLMP and LH HDLMP Fuse


Object Number: 482952  Size: FS
Power and Grounding Components
IGN-B Fuse and Ignition Switch
HTD MIR/RR DEFOG, A/C COMP, HORN, ECM-B Fuse
Figure 7:

HTD MIR/RR DEFOG, A/C COMP, HORN, ECM-B Fuse


Object Number: 508335  Size: FS
Power and Grounding Components
ABS and RAP Fuse
RH HDLMP and LH HDLMP Fuse
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 8:

ABS and RAP Fuse


Object Number: 509527  Size: FS
Power and Grounding Components
ECM-1 Fuse
HTD MIR/RR DEFOG, A/C COMP, HORN, ECM-B Fuse
Handling ESD Sensitive Parts Notice
Battery, Generator, Starter Solenoid, and Underhood Fuse BLock
Figure 9:

ECM-1 Fuse


Object Number: 509542  Size: FS
Power and Grounding Components
IGN-E and ENG-1 Fuse
ABS and RAP Fuse
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
IGN-A Fuse and Ignition Switch
Figure 10:

IGN-E and ENG-1 Fuse


Object Number: 509543  Size: FS
Power and Grounding Components
PWR ACCY Circuit Breaker
ECM-1 Fuse
IGN-A Fuse and Ignition Switch
Figure 11:

PWR ACCY Circuit Breaker


Object Number: 509553  Size: FS
Power and Grounding Components
STOP/HAZ Fuse 1 and AUX PWR Fuse 7
IGN-E and ENG-1 Fuse
Figure 12:

STOP/HAZ Fuse 1 and AUX PWR Fuse 7


Object Number: 509558  Size: FS
Power and Grounding Components
CIG LTR Fuse 13, RADIO BATT Fuse 19 and CRANK Fuse 8
PWR ACCY Circuit Breaker
BATT and LIGHTING Fuse
Figure 13:

CIG LTR Fuse 13, RADIO BATT Fuse 19 and CRANK Fuse 8


Object Number: 509562  Size: FS
Power and Grounding Components
CTSY Fuse 3, PK LPS Fuse 9, TBC Fuse 15, and PWR MIR Fuse 21
STOP/HAZ Fuse 1 and AUX PWR Fuse 7
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
BATT and LIGHTING Fuse
Figure 14:

CTSY Fuse 3, PK LPS Fuse 9, TBC Fuse 15, and PWR MIR Fuse 21


Object Number: 509572  Size: FS
Power and Grounding Components
ILLUM Fuse 14
CIG LTR Fuse 13, RADIO BATT Fuse 19 and CRANK Fuse 8
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 15:

ILLUM Fuse 14


Object Number: 509577  Size: FS
Power and Grounding Components
HTR-A/C Fuse 12, BRAKE Fuse 18 and CRUISE Fuse 6
CTSY Fuse 3, PK LPS Fuse 9, TBC Fuse 15, and PWR MIR Fuse 21
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 16:

HTR-A/C Fuse 12, BRAKE Fuse 18 and CRUISE Fuse 6


Object Number: 509581  Size: FS
Power and Grounding Components
RR DEFOG Fuse 5
ILLUM Fuse 14
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 17:

RR DEFOG Fuse 5


Object Number: 509586  Size: FS
Power and Grounding Components
GAUGES Fuse 4, AIR BAG Fuse 10 and TURN-B/U Fuse 16
HTR-A/C Fuse 12, BRAKE Fuse 18 and CRUISE Fuse 6
Figure 18:

GAUGES Fuse 4, AIR BAG Fuse 10 and TURN-B/U Fuse 16


Object Number: 509593  Size: FS
Power and Grounding Components
TRANS Fuse 20 and WINDOWS Circuit Breaker
RR DEFOG Fuse 5
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
SIR Handling Caution
Figure 19:

TRANS Fuse 20 and WINDOWS Circuit Breaker


Object Number: 509600  Size: FS
Power and Grounding Components
WIPER Fuse 17, RADIO ACCY Fuse 2 and RR WIPER Fuse 23
GAUGES Fuse 4, AIR BAG Fuse 10 and TURN-B/U Fuse 16
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 20:

WIPER Fuse 17, RADIO ACCY Fuse 2 and RR WIPER Fuse 23


Object Number: 509605  Size: FS
Power and Grounding Components
TRANS Fuse 20 and WINDOWS Circuit Breaker
Handling ESD Sensitive Parts Notice