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Mercury Grand Marquis (1998 - 2002) - fuse box diagram

avatar Jonathan Yarden Mar 27, 2021 · 5 min. read

In this article you will find a description of fuses and relays Mercury, 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, 2001, 2002

Passenger compartment fuse panel

The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses.

Mercury Grand Marquis - fuse box diagram - passenger compartment

β„– A Description
1 – Not Used
2 – Not Used
3 – Not Used
4 10 Air Bags
5 – Not Used
6 15 Instrument Cluster,
Warning Lamps Module,
Transmission Control Switch,
Lighting Control Module (LCM)
7 – Not Used
8 25 Power Train Control Module (PCM) Power Relay,
Coil-on -Plugs,
Radio Noise Capacitator,
Passive Anti-theft System (PATS)
9 – Not Used
10 10 Rear Window Defrost
11 – Not Used
12 – Not Used
13 5 Radio
14 10 Traction Control Switch,
Anti-lock Brakes (ABS),
Instrument Cluster
15 15 Speed Control Servo,
Main Light Switch Illumination,
Lighting Control Module (LCM),
Clock
16 15 Reversing lamps,
Turn Signals,
Shift Lock,
DRL Module,
EVO Steering,
Electronic Day/Night Mirror
17 30 Wiper Motor,
Wiper Control Module
18 30 Heater Blower Motor
19 20 Auxiliary Power Point
20 – Not Used
21 15 Multifunction Switch,
Lighting Control Module (LCM),
Passive Anti-theft System (PATS) Indicator,
Parking Lamps,
Instrument Panel Light
22 15 Speed Control Servo,
Hazard Lights
23 15 Power Windows/Door Locks,
PATS,
Exterior Rear View Mirrors,
EATC Module,
Instrument Cluster,
Clock,
Lighting Control Module (LCM),
Interior Lamps
24 10 Left Hand Low Beam
25 20 Power Point,
Cigar Lighter
26 10 Right Hand Low Beam
27 25 Lighting Control Module (LCM),
Main Light Switch,
Cornering Lamps,
Fuel Tank Pressure Sensor
28 20 Power Windows
29 – Not Used
30 – Not Used
31 – Not Used
32 20 ABS Values

Power distribution box

Mercury Grand Marquis 3rd Generation - fuse box - power distribution box

The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

β„–
A
Description
1 20 Electric Fuel Pump Relay
2 30 Generator, Starter Relay,
Fuses 15 and 18
3 25 Radio,
CD Changer,
Subwoofer Amplifier
4 – Not Used
5 15 Horn Relay
6 20 DRL Module
7 20 Power Door Locks,
Power Seats,
Trunk Lid Release
8 30 Air Suspension System
9 50 See Fuses 5 and 9
10 50 See Fuses 1, 2, 6, 7, 10, 11, 13 and Circuit Breaker 14
11 50 See Fuses 4, 8, 16 and Circuit Breaker 12
12 30 PCM Power Relay,
PCM
13 50 High Speed Cooling Fan Relay
14 40 Rear Window Defrost Relay,
Also see Fuse 17
15 40 Anti-Lock Brake Module
16 – Not Used
17 30 Cooling Fan Relay
R1 Rear Defrost Relay
R2 Horn Relay
R3 Cooling Fan Relay
R4 Air Suspension Pump Relay

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

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