Mercury Grand Marquis (1998-2002) fuses and relays

 

In this article, we consider the third-generation Mercury Grand Marquis, produced from 1998 to 2002. Here you will find fuse box diagrams of Mercury Grand Marquis 1998, 1999, 2000, 2001 and 2002, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Mercury Grand Marquis 1998-2002


Cigar lighter (power outlet) fuses in the Mercury Grand Marquis are the fuses #16 (1998-2000: Cigar Lighter, Auxiliary Power Point), #19 (2001-2002: Auxiliary Power Point), #25 (2001-2002: Power Point, Cigar Lighter) in the Instrument panel fuse box.


Instrument Panel Fuse Box

Fuse box location

The fuse box is located under the left side of the instrument panel.The location of the fuses in the passenger compartment: Mercury Grand Marquis (1998-2002)

Fuse box diagram (1998-2000)

Instrument panel fuse box diagram: Mercury Grand Marquis (1998, 1999, 2000)


 

Assignment of the fuses in the instrument panel (1998-2000)

Protected components Amp
1 1998: Hazard Flasher, Stop Lamps
1999-2000: Brake Pedal Position (BPP) Switch, Speed Control, Multi-Function Switch
15
2 Wiper Control Module, Windshield Wiper Motor 30
3 Not Used
4 Lighting Control Module, Main Light Switch (1999-2000), Headlamp Dimmer Switch (1998) 15
5 Backup Lamps, Variable Assist Power Steering (VAPS), Turn Signals, Air Suspension, Daytime Running Lamps, Electronic Day/Night Mirror, Shift Lock, EATC, Speed Chime Warning (1999-2000) 15
6 Speed Control, Main Light Switch, Headlamp Dimmer Switch (1998), Lighting Control Module, Clock 15
7 Powertrain Control Module (PCM) Power Diode, Ignition Coils 25
8 Lighting Control Module, Power Mirrors, Remote Keyless Entry, Clock Memory, Radio Memory, Electronic Automatic Temperature Control (EATC), Power Seats (1998), Power Windows, SecuriLock, PATS (1999-2000) 15
9 Blower Motor, A/C-Heater Mode Switch 30
10 Air Bag Module 10
11 Radio 5
12 Circuit Breaker:  Lighting Control Module, Flash-to-Pass, Main Light Switch 18
13 Air Bag Module (1998), Warning Lamps, Analog Cluster Gauges and Indicators, Electronic Automatic Transmission, Lighting Control Module, Front Control Unit (1998) 15
14 Circuit Breaker:  Window/Door Lock Control, Driver’s Door Module, One Touch Down 20
15 Anti-Lock Brakes, Charge Indicator (1998), Instrument Cluster (1999-2000), Transmission Control Switch (1999-2000) 10
16 Cigar Lighter, Emergency Flasher Relays (1998), Auxiliary Power Point (2000) 20
17 Power Mirrors (1998), Rear Defrost 10
18 Air Bag Module, Digital Instrument Cluster (1998) 10

Fuse box diagram (2001-2002)

Instrument panel fuse box diagram: Mercury Grand Marquis (2001, 2002)

Assignment of the fuses in the instrument panel (2001-2002)

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

Engine Compartment Fuse Box

Fuse box location

The Power Distribution Box is located in the engine compartment (on the passenger side).The location of the fuses in the engine compartment: Mercury Grand Marquis (1998-2002)

Fuse box diagram

Under-hood fuse box diagram: Mercury Grand Marquis (1998, 1999, 2000, 2001, 2002)

Assignment of the fuses and relays in the Power distribution box

Protected components Amp
1 Electric Fuel Pump Relay 20
2 Generator, Starter Relay, Fuses 15, 18 30
3 Radio, CD Changer, Subwoofer Amplifier 25
4 Not Used
5 Horn Relay 15
6 DRL Module 20
7 Circuit Breaker:  Power Door Locks, Power Seats, Trunk Lid Release 20
8 Air Suspension System 30
9 Fuses 5, 9 50
10 Fuses 1, 2, 6, 7, 10, 11, 13 and Circuit Breaker 14 50
11 1998-2000: Fuses 4, 8, 16 and Circuit Breaker 12 40
11 2001-2002: Fuses 4, 8, 16 and Circuit Breaker 12 50
12 PCM Power Relay, PCM 30
13 High Speed Cooling Fan Relay 50
14 Rear Window Defrost Relay, Fuse 17 40
15 1998-2000: Anti-Lock Brake Module 50
15 2001-2002: Anti-Lock Brake Module 40
16 Not Used
17 Cooling Fan Relay (Circuit Breaker) 30
Relays
R1 Rear Defrost Relay
R2 Horn Relay
R3 Cooling Fan Relay
R4 Air Suspension Pump Relay

Additional Relay Box

This relay block is located on left-hand fender, attached to vacuum reservoir

Additional Relay Box: Mercury Grand Marquis (1998, 1999, 2000, 2001, 2002)

Relay
R1 A/C WOT Cutout
R2 Fuel Pump
R3 PCM Power
1 PCM Power (Diode)


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