GMC Envoy (LU3; 1998-2000) fuses and relays

This material discusses in detail the fuse diagrams of the GMC Envoy (first generation): 1998, 1999, 2000 model year.


Fuses #2 and #13 in the passenger compartment are responsible for the cigarette lighter.

In the engine compartment


Located on the left side of the engine bay, behind the plastic cover.


Access example.

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

In the passenger compartment


Fuse box located on the driver’s side of the dashboard, behind the plastic cover

Diagram
No. Description
1 Empty
2 Cigarette Lighter Fuse, Data Link Connector (DLC)
3 Cruise Control Module and Switch, BCM, Seats Heater
4 Gages, BCM, Instrument Panel Cluster
5 Parking Lamps, Power Window Switch, BCM, Ashtray Lamp
6 Steering Wheel Audio Control Illumination
7 Headlamp Switch, BCM, Headlamp Relay
8 Courtesy Lamps, Battery Run-Down Protection
9 Empty
10 Turn Signal
11 Cluster, Engine Control Module (ECM)
12 Interior Lights
13 Auxiliary Power
14 Power Locks Motor
15 4WD Switch, Engine Controls (VCM, PCM, Transmission)
16 Air Bag Module
17 Front Wiper
18 Steering Wheel Audio Controls
19 Radio, Battery
20 Audio Amplifier
21 HVAC I (Automatic), HVAC Sensors (Automatic)
22 Anti-Lock Brakes (ABS System)
23 Rear Wiper
24 Radio, Ignition
A Empty
A Empty
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