Explore Chevrolet Suburban fuse box diagrams in this clear guide that details the electrical layout of the eighth-generation full-size SUV. Here we cover the eighth-generation Chevrolet Suburban (1992–1999) (Model Code: GMT400 ) and provide fuse diagrams for 1992, 1993, 1994, 1995, 1996, 1997, 1998 and 1999 , along with the location of the fuse panels and the assignment of each fuse and relay , giving you a solid reference for maintaining and troubleshooting these long-running models.
The fuse block is behind an access door at the bottom of the instrument panel, next to the parking brake release lever
Fuse Data
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Assignment of the fuses in the Instrument Panel (1993, 1994)
Fuse Data
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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
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The fuse block access door is on the driver’s side edge of the instrument panel.
Assignment of the fuses in the Instrument Panel (1995-1999)
Fuse Data
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№ 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 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 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
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Fuse Data
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Assignment of the fuses and relay in the Engine Compartment
Fuse Data
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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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