Chevrolet Tahoe (GMT400) mk1 (1992 – 2000) – fuse box diagram
Year of production: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Instrument Panel Fuse Block
The fuse block access door is on the driver’s side edge of the instrument panel.
| Fuses/Circuit Breaker | Usage |
| 1 | Stop/TCC Switch, Buzzer, CHMSL, Hazard Lamps, Stoplamps |
| 2 | Transfer Case |
| 3 | Courtesy Lamps, Cargo Lamp, Glove Box Lamp, Dome/Reading Lamps, Vanity Mirrors, Power Mirrors |
| 4 | Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine) |
| 5 | Rear Comfort Controls |
| 6 | Cruise Control |
| 7 | Auxiliary Power Outlet |
| 8 | Crank |
| 9 | License Lamp, Parking Lamps, Taillamps, Roof Marker Lamps, Tailgate Lamps, Front Sidemarkers, Fog Lamp Relay, Door Switch Illumination, Fender Lamps, Headlamp Switch Illumination |
| 10 | Air Bag System |
| 11 | Wiper Motor, Washer Pump |
| 12 | A/C, A/C Blower, High Blower Relay |
| 13 | Power Amp, Rear Liftglass, Cigarette Lighter, Door Lock Relay, Power Lumbar Seat |
| 14 | 4WD Indicator, Cluster, Front and Rear Comfort Controls (If Equipped), Instrument Switches, Radio Illumination, Chime Module |
| 15 | DRL Relay, Fog Lamp Relay |
| 16 | Front and Rear Turn Signals, Back-Up Lamps, BTSI Solenoid |
| 17 | Radio (Ignition) |
| 18 | 4WAL/VCM, ABS, Cruise Control |
| 19 | Radio (Battery) |
| 20 | PRNDL, Automatic Transmission, Speedometer, Check Gages, Warning Lights |
| 21 | Security/Steering |
| 22 | Not used |
| 23 | Rear Wiper, Rear Washer Pump |
| 24 | Front Axle, 4WD Indicator Lamp, TP2 Relay (Gasoline Engine) |
| A | Power Door Lock, Six-Way Power Seat, Keyless Entry Module |
| B | Power Windows |
Underhood Fuse/Relay Center
The underhood fuse/relay center is located in the rear of the engine compartment near the brake fluid reservoir.
| 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 |
| Injectors, PCM/VCM | 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) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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