Chevrolet Suburban K1500 2003 - 2003-04 ELECTRICAL Fuses & Circuit Breakers - C/K Series Trucks

Chevrolet Suburban K1500 2003 - IDENTIFICATION

CAUTION:

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. For 2003 models, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery. For 2004-05 models, see appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Chevrolet Suburban K1500 2003 MODEL IDENTIFICATION

Body Code (1)	Model
C/K	Chevrolet Avalanche
C/K	Cadillac Escalade
C/K	Cadillac Escalade ESV
C/K	Cadillac Escalade EXT
C/K	GMC Sierra
C/K	Chevrolet Silverado
C/K	Chevrolet Suburban
C/K	Chevrolet Tahoe
C/K	GMC Yukon
C/K	GMC Yukon Denali
C/K	GMC Yukon XL
C/K	GMC Yukon XL Denali
(1) Vehicle body code is fifth character of VIN.

Chevrolet Suburban K1500 2003 - LEFT INSTRUMENT PANEL FUSE BLOCK

NOTE:

Instrument Panel (I/P) fuse block (left) is located at the left side of the I/P behind the access panel. See Fig. 1.

Fig. 1: Chevrolet Suburban K1500 2003 - Component Locations - Locating Left Instrument Panel Fuse Block

Fig. 2: Chevrolet Suburban K1500 2003 - Component Locations - Identifying Left Instrument Panel Fuse Block Components

Fig. 3: Chevrolet Suburban K1500 2003 - Component Locations - Left Instrument Panel Fuse Block Legend

Chevrolet Suburban K1500 2003 - RIGHT INSTRUMENT PANEL FUSE BLOCK

NOTE:

Instrument Panel (I/P) fuse block (right) is located at the right side of the I/P behind the access panel. See Fig. 4.

Fig. 4: Chevrolet Suburban K1500 2003 - Component Locations - Locating Right Instrument Panel Fuse Block

Fig. 5: Chevrolet Suburban K1500 2003 - Component Locations - Identifying Right Instrument Panel Fuse Block Components

Fig. 6: Chevrolet Suburban K1500 2003 - Component Locations - Right Instrument Panel Fuse Block Legend

Chevrolet Suburban K1500 2003 - INSTRUMENT PANEL RELAY BLOCK

NOTE:

Instrument panel relay block is located under the left side of instrument panel, between the left kick panel and the steering column.

Fig. 7: Chevrolet Suburban K1500 2003 - Component Locations - Identifying Instrument Panel Relay Block Components

Fig. 8: Chevrolet Suburban K1500 2003 - Component Locations - Instrument Panel Relay Block Legend

Chevrolet Suburban K1500 2003 - UNDERHOOD FUSE BLOCK

NOTE:

Underhood fuse block is located at the left side of the engine compartment to the rear of the battery. See Fig. 9.

Fig. 9: Chevrolet Suburban K1500 2003 - Component Locations - Locating Underhood Fuse Block

Fig. 10: Chevrolet Suburban K1500 2003 - Component Locations - Identifying Underhood Fuse Block Components

Fig. 11: Chevrolet Suburban K1500 2003 - Component Locations - Underhood Fuse Block legend (1 Of 2)

Fig. 12: Chevrolet Suburban K1500 2003 - Component Locations - Underhood Fuse Block Legend (2 Of 2)

Chevrolet Suburban K1500 2003 - FUSIBLE LINKS

For information on fusible links and repairing them, refer to illustration. See Fig. 13.

Fig. 13: Chevrolet Suburban K1500 2003 - Component Locations - Repairing Fusible Links