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Mercury Grand Marquis Second Generation (1992 - 1997) Fuse Box Diagram

avatar Jonathan Yarden Feb 11, 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: 1992, 1993, 1994, 1995, 1996, 1997

Fuse box in instrument panel

Mercury Grand Marquis - fuse box - instrument panel

Fuse Ampere rating [A] Circuits protected
1 15 Hazard flasher, speed control, stop lamps
2 30 Wiper control module, windshield wiper motor
3 Not used
4 15 Lighting control module, headlamp dimmer switch
5 15 Backup lamps, variable assist power steering (VAPS), turn signal, air suspension, daytime running lamps, trailer battery charging, electronic day/night mirror, shift lock, EATC
6 15 Speed control, main light switch, headlamp dimmer switch, lighting control module, heated back lights and mirrors, 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 door locks, power seats, power windows
9 30 Blower motor, A/C – heater mode switch
10 10 Air bag module
11 15 Radio
12 20 CB Lighting control module, flash-to-pass, main light switch
13 15 Air bag module, warning lamps, analog, cluster gauges and indicators, electronic automatic transmission, lighting control module, front control unit
14 Window/door lock control, driver’s door module, one touch  down
15 10 Analog instrument cluster, anit-lock brakes, charge indicator
16 20 Cigar lighter, emergency flasher relays
17 10 Power mirrors, rear defrost
18 15 Air bag module, digital instrument cluster

The high current fuses and relays

Mercury Grand Marquis - fuse box - high current fuse panel

MAXI – fuse Ampere rating [A] Circuits protected
IGN. SW. 50 See fuses 1, 2, 6, 7,10, 11, 13 and circuit breaker 14
IGN. SW. 50 Starter Relay, also see fuses 5, 9
LAMPS FUSE PANEL 40 Headlamps, daytime running lamps, also see fuses 4, 8, 16 and Circuit Breaker 12
EEC 30 PCM Power Relay, PCM
COOLING FAN 50 Cooling Fan Relay
HTD BACKLITE 40 Rear window defrost relay, also see Fuse 17
ABS CONTROLLER 30 Anti-Lock Brake Module
* TRAILER BRAKES 30 Electric Brake Controller
* TRAILER TOW 40 Trailer Turn, battery charging relay
** AIR SUSP. PUMP/SPEEDO 30 Air suspension compressor relay, air spring solenoids


Fuse Ampre rating [A] Circuits protected
FUEL PUMP 20 Electric fuel pump relay
STARTER/ALTERNATOR 30 Starter Relay, Generator, Fuses 15, 18
AUDIO 25 Radio amplifier, subwoofer amplifier
* TRAILER TOW 20 Trailer exterior lamp relays
HORNS 15 Horn relay, horns
HI-BEAM HEADLIGHTS 20 Lighting Control Module, DRL
DOOR LOCKS/ SEAT MOTORS 20 CB Power door locks, power seats, trunk lid release, fuel filler door release

* with trailer tow only

** with air suspension only

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

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