Chevrolet Suburban (GMT400; 1993-1999) fuses and relays

 

Fuse Layout Chevrolet Suburban 1993-1999

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Instrument Panel Fuse Box

1993-1994

The fuse block is behind an access door at the bottom of the instrument panel, next to the parking brake release lever

Fuse box diagram

 

Assignment of the fuses in the Instrument Panel (1993, 1994)

Name	Circuit protected	Ampere rating [A]
Gages	Cruise Control, 4 WD Display illum. Rear Window Defogger Timer, Aux. Batt. Relay Feed, Safety Belt Buzzer Timer, Cluster Ign. Feed	20
Turn-B/U	Back-up Lamps, Turn Signals	15
EMC/Ign	T.C.C., Air Diverter, E.S.C., E.G.R., E.C.M., Ign., R.W.A.L. Brake Switch	10
Inj. A	Throttle Body Injectors	10
Brake	A.B.S., Cluster-Speed0	15
AC/Htr	H.V.A.C. 4 WD, Aux. Batt. Relay	25
Ctsy	Dome Lamp, Ctsy. and Glove Box Lps. (TR-9), Radio (Memory-Clock)	20
Park LP	Horn Relay, Horn Feed, Park Lamps	20
P. Lps	C49 SW Illum., Headlamp “On” Warning, Radio Illum., H.V.A.C. Illum.	5
Stop/Haz	Haz. Flasher, Seat Belt Buzzer, Stop Lmps., A.B.S. Memory	15
Wiper	Windshield Wiper, Washer	25
Radio	Radio Feed	10
Acc/Ign	Pwr. Windows	30 (CB)
Acc/Batt	Door Locks, Rear Window Defogger	30 (CB)
Crank	Crank, Discreet	5
4WD	Four Wheel Drive	25
DRL	Daytime Running Lights	15
RR Wpr	Rear Window Wiperwasher	25
T/G Rel	Cigar Lighter, Rear Hatch Release	25

1995-1999

The fuse block access door is on the driver’s side edge of the instrument panel.

Fuse box diagram

Assignment of the fuses in the Instrument Panel (1995-1999)

№	Name	Circuit protected
1	STOP/HAZ	Stop/TCC Switch, Buzzer, CHMSL, Hazard Lamps, Stop Lamps
2	T CASE	Transfer Case
3	CTSY	Courtesy Lamps, Cargo Lamp, Glove Box Light, Dome/RDG Lamps, Vanity Mirrors, Pwr Mirrors
4	GAGES	Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine)
5	RR WAC	RR HVAC Controls
6	CRUISE	Cruise Control
7	AUX PWR	Aux Power Outlet
8	CRANK	1995-1996: Diesel Fuel Pump, DERM, ECM 1997: Air Bag System 1999: Crank
9	PARK LPS	Lic Lamp, Park Lamp, Tail Lamp, Roof Marker Lamp, Tdi1 Gate Lamps, Front Side Markers, Door Switch Illum, Fender Lamp
10	AIR BAG	DERM
11	WIPER	Wiper Motor, Washer Pump
12	HTR-A/C	A/C, A/C Blower, High Blower Relay
13	CIG LTR	Power Amp, Rear Liftglass, Cig Lighter, Door Lock Relay, Pwr Lumbar Seat
14	ILLUM	4WD, Indicator, LP Cluster, HVAC Controls, RR HVAC Controls, IP Switches, Radio Illumination, Chime Module
15	DRL-FOG	DRL Relay, Fog Lamp Relay
16	TURN-B/U	Front and Rear Turn Signals, Back-up Lamps, BTSI Solenoid
17	RADIO	Radio (Ign)
18	BRAKE	DRAC (1995-1996), 4WAL PCM, ABS, Cruise
19	RADIO BATT	Radio (Batt)
20	TRANS	PRNDL, Auto Transmission, Speedo, Check Gages Tell Tale, Warning Lights
21		1995-1996: Not Used 1997: Variable Effort Steering 1999: Security/Steering
22	—	Not Used
23	RR Wiper	Rear Wiper, Rear Wash Pump
24	4WD	Front Axle, 4WD Indicator Lamp, TP2 Relay (Gasoline Engine)
A (CB)	PWR ACCY	Pwr Door Lock, 6-Way Pwr Seat, Keyless Entry Module
B (CB)	PWR WDOS	Power Windows

Engine Compartment Fuse Box

Fuse box location

Fuse box diagram

Assignment of the fuses and relay in the Engine Compartment (1995-1999)

Name	Circuit protected
ECM-B	Fuel Pump, PCM/VCM
RR DEFOG	Rear Window Defogger (If Equipped)
IGN-E	Auxiliary Fan Relay Coil, A/C Compressor Relay, Hot Fuel Module
FUEL SOL	Fuel Solenoid (Diesel Engine)
GLOW PLUG	Glow plugs (Diesel Engine)
HORN	Horn, Underhood Lamps
AUX FAN	Auxiliary Fan
ECM-1	Injectors, PCM/VCM
HTD ST-FR	Heated Front Seats
A/C	Air Conditioning
HTD MIR	Heated Outside Mirrors (If Equipped)
ENG-1	Ignition Switch, EGR, Canister Purge, EVRV Idle Coast Solenoid, Heated O2, Fuel Heater (Diesel Engine), Water Sensor (Diesel Engine)
HTD ST-RR	Not Used
LIGHTING	Headlamp and Panel Dimmer Switch, Fog and Courtesy Fuses
BATT	Battery, Fuse Block Busbar
IGN-A	Ignition Switch
IGN-B	Ignition Switch
ABS	Anti-Lock Brake Module
BLOWER	Hi Blower and Rear Blower Relays
STOP/HAZ	Stoplamps
HEATED SEATS	Heated Seats (If Equipped)