1998–2002 Mercury Grand Marquis Fuse Box Diagram

Engine Compartment Fuse Box

1998–2002 Mercury Grand Marquis Fuse Box Diagram



No. A Protected components
1 20 Electric Fuel Pump Relay
2 30 Generator, Starter Relay, Fuses 15, 18
3 25 Radio, CD Changer, Subwoofer Amplifier
4 Not Used
5 15 Horn Relay
6 20 DRL Module
7 20 Circuit Breaker: Power Door Locks, Power Seats, Trunk Lid Release
8 30 Air Suspension System
9 50 Fuses 5, 9
10 50 Fuses 1, 2, 6, 7, 10, 11, 13 and Circuit Breaker 14
11 40 '98-'00: Fuses 4, 8, 16 and Circuit Breaker 12
50 '01-'02: 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, Fuse 17
15 50 '98-'00: Anti-Lock Brake Module
40 '01-'02: Anti-Lock Brake Module
16 Not Used
17 30 Circuit Breaker: Cooling Fan Relay
Relay
R1 Rear Defrost Relay
R2 Horn Relay
R3 Cooling Fan Relay
R4 Air Suspension Pump Relay

Additional Relay Box

1998–2002 Mercury Grand Marquis Fuse Box Diagram

Relay center, located on LH - fender affixed to vacuum reservoir

 

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

Passenger Compartment Fuse Box ('98-'00)

1998–2002 Mercury Grand Marquis Fuse Box Diagram



No. A Protected components
1 15 '98: Hazard Flasher, Stop Lamps
15 '99-'00: Brake Pedal Position (BPP) Switch, Speed Control, Multi-Function Switch
2 30 Wiper Control Module, Windshield Wiper Motor
3 Not Used
4 15 Lighting Control Module, Main Light Switch ('99-'00), Headlamp Dimmer Switch ('98)
5 15 Backup Lamps, Variable Assist Power Steering (VAPS), Turn Signals, Air Suspension, Daytime Running Lamps, Electronic Day/Night Mirror, Shift Lock, EATC, Speed Chime Warning ('99-'00)
6 15 Speed Control, Main Light Switch, Headlamp Dimmer Switch ('98), Lighting Control Module, Clock
7 25 Powertrain Control Module (PCM) Power Diode, Ignition Coils
8 15 Lighting Control Module, Power Mirrors, Remote Keyless Entry, Clock Memory, Radio Memory, Electronic Automatic Temperature Control (EATC), Power Seats ('98), Power Windows, SecuriLock, PATS ('99-'00)
9 30 Blower Motor, A/C-Heater Mode Switch
10 10 Air Bag Module
11 5 Radio
12 18 Circuit Breaker: Lighting Control Module, Flash-to-Pass, Main Light Switch
13 15 Air Bag Module ('98), Warning Lamps, Analog Cluster Gauges and Indicators, Electronic Automatic Transmission, Lighting Control Module, Front Control Unit ('98)
14 20 Circuit Breaker: Window/Door Lock Control, Driver’s Door Module, One Touch Down
15 10 Anti-Lock Brakes, Charge Indicator ('98), Instrument Cluster ('99-'00), Transmission Control Switch ('99-'00)
16 20 Cigar Lighter, Emergency Flasher Relays ('98), Auxiliary Power Point ('00)
17 10 Power Mirrors ('98), Rear Defrost
18 10 Air Bag Module, Digital Instrument Cluster ('98)

Passenger Compartment Fuse Box ('01-'02)

1998–2002 Mercury Grand Marquis Fuse Box Diagram



No. A Protected components
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

Fuse Box Diagram Mercury Grand Marquis (Mk3; 1998, 1999, 2000, 2001, 2002)