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GMC Envoy (1998 - 2000) 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: 1998, 1999, 2000

Instrument Panel Fuse Block

GMC Envoy mk1 - fuse box - instrument panel

The instrument panel fuse block is at the driver’s end of the instrument panel.

Fuse/Circuit Breaker Usage
A Not Used
B Not Used
1 Not Used
2 Cigarette Lighter, Data Link Connector
3 Cruise Control Module and Switch, Body Control Module, Heated Seats
4 Gages, Body Control Module, Instrument Panel Cluster
5 Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp
6 Steering Wheel Audio Control Illumination
7 Headlamp Switch, Body Control Module, Headlamp Relay
8 Courtesy Lamps, Battery Run-Down Protection
9 Not Used
10 Turn Signal
11 Cluster, Engine Control Module
12 Interior Lights
13 Auxiliary Power
14 Power Locks Motor
15 4WD Switch, Engine Controls (VCM, PCM, Transmission)
16 Air Bag
17 Front Wiper
18 Steering Wheel Audio Controls
19 Radio, Battery
20 Amplifier
21 HVAC I (Automatic), HVAC Sensors (Automatic)
22 Anti-Lock Brakes
23 Rear Wiper
24 Radio, Ignition

Engine Compartment Fuse Block

The fuse block is under the hood at the driver’s side of the engine compartment.

GMC Envoy mk1 - fuse box - engine compartment

Name Usage
TRL TRN Trailer Left Turn
TRR TRN Trailer Right Turn
TRL B/U Trailer Back-Up Lamps
VEH B/U Vehicle Back-Up Lamps
RT TURN Right Turn Signal Front
LT TURN Left Turn Signal Front
LT TRN Left Turn Signal Rear
RT TRN Right Turn Signal Rear
RR PRK Right Rear Parking Lamps
TRL PRK Trailer Park Lamps
LT LOW Low-Beam Headlamp, Left
RT LOW Low-Beam Headlamp, Right
FRPRK Front Parking Lamps
INT BAT I/P Fuse Block Feed
ENG I Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT
ECM B Engine Control Module, Fuel Pump, Module, Oil Pressure
ABS Anti-Lock Brake System
ECM I Engine Control Module Injectors
A/C Air Conditioning
LT HI High-Beam Headlamp, Left
RT HI High-Beam Headlamp, Right
BTSI Brake-Transmission Shift Interlock
B/U LP Back-Up Lamps
DRL Daytime Running Lamps (If Equipped)
IGN B Column Feed, IGN 2, 3, 4
RAP Retained Accessory Power
LD LEV Electronic Load Leveling
OXYSEN Oxygen Sensor
MIR/LKS Mirrors, Door Locks
FOG LP Fog Lamps
IGN E Engine
IGN A Starting and Charging, IGN 1
STUD #2 Accessory Feeds, Electric Brake
PARKLP Parking Lamps
LR PRK Left Rear Parking Lamps
IGN C Starter Solenoid, Fuel Pump, PRNDL
HTDSEAT Heated Seats
TRCHMSL Trailer Center High-Mounted Stop Light
HIBEAM High-Beam Headlamps
RRDFOG Rear Defogger
TBC Truck Body Computer
CRANK Clutch Switch, NSBU Switch
HAZLP Hazard Lamps
VECHMSL Vehicle Center High-Mounted Stop Lamp
HTDMIR Heated Mirror
ATC Automatic Transfer Case
STOPLP Stoplamps
RR W/W Rear Window Wiper

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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