Share this

GMC Yukon (1999) Fuse Box Diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays GMC, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 1999

Instrument Panel Fuse Block

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

GMC Yukon - fuse box - 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.

GMC Yukon - fuse box - underhood fuse

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.

Still have questions or want to supplement the article? Discuss On Telegram


Access the private club

Become a member of Fuses.guru and get access to our private telegram bot. Accelerated access and smart search of fuse box & wiring diagrams.
P.S. We never spam!

May Be Useful