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


In this article, we consider the eighth-generation Chevrolet Suburban (GMT400), produced from 1992 to 1999. Here you will find fuse box diagrams of Chevrolet Suburban 1993, 1994, 1995, 1996, 1997, 1998 and 1999, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Chevrolet Suburban 1993-1999


Cigar lighter (power outlet) fuses in the Chevrolet Suburban are the fuses №7 “AUX PWR” (Aux Power Outlet) and №13 “CIG LTR ” (Cig Lighter) in the Instrument panel fuse box (1995-1999).

Instrument Panel Fuse Box


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

Instrument panel fuse box diagram: Chevrolet Suburban (1993, 1994)


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


The fuse block access door is on the driver’s side edge of the instrument panel.The location of the fuses in the passenger compartment: Chevrolet Suburban (1995, 1996, 1997, 1998, 1999)

Fuse box diagram

Instrument panel fuse box diagram: Chevrolet Suburban (1995, 1996, 1997, 1998, 1999)

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
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

The location of the fuses in the engine compartment: Chevrolet Suburban (1993, 1994, 1995, 1996, 1997, 1998, 1999)

Fuse box diagram

Under-hood fuse box diagram: Chevrolet Suburban (1995, 1996, 1997, 1998, 1999)

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)

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