Jonathan Yarden Oct 06, 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: 1995, 1996, 1997, 1998, 1999, 2000
Passenger Compartment Fuse Box
No. |
A |
Fused component |
19 | 7.5 | ’95-’97: Heated rear view mirrors |
20 | 10 | Circuit breaker: Wiper motors |
21 | 40 | Power windows |
22 | 7.5 | ’95-’99: ABS module |
23 | 15 | Backup lamps |
24 | 15 | Brake lamps |
25 | 20 | Door locks |
26 | 7.5 | Main light |
27 | 15 | Cigar lighter |
28 | 30 | Electric seats |
29 | 30 | Rear window defrost |
30 | 7.5 | Engine management system |
31 | 7.5 | Instrument panel illumination |
32 | 7.5 | Radio |
33 | 7.5 | Parking lamps – driver’s side |
34 | 7.5 | Interior lighting/electric mirror adjustment |
35 | 7.5 | Parking lamps – passenger’s side |
36 | 10 | ’95-’98: Air bag |
37 | 30 | Heater blower motor |
38 | — | Not used |
Relay | ||
R12 | Interior lighting | |
R13 | Rear window defrost | |
R14 | Heater blower motor | |
R15 | Wiper motor | |
R16 | Ignition | |
Diode | ||
D2 | Reverse voltage protection |
Engine Compartment Fuse Box (’99-’00)
No. |
A |
Fused component |
1 | — | Not used |
2 | 7.5 | Alternator |
3 | 20 | Foglamps |
4 | — | Not used |
5 | — | Not used |
6 | 3 | EEC ignition module (memory) |
7 | 20 | Horn and hazard flasher warning system |
8 | — | Not used |
9 | 15 | Fuel pump |
10 | — | Not used |
11 | 20 | Ignition, Electronic Engine Control |
12 | — | Not used |
13 | 20 | HEGO sensor |
14 | 7.5 | ABS module |
15 | 7.5 | Low beam headlamp (passenger’s side) |
16 | 7.5 | Low beam headlamp (driver’s side) |
17 | 7.5 | High beam headlamp (passenger’s side) |
18 | 7.5 | High beam headlamp (driver’s side) |
39 | — | Not used |
40 | 20 | Ignition, light switch, central junction box |
41 | 20 | EEC relay |
42 | 40 | Central junction box (fuse 37 to blower relay) |
43 | — | Not used |
44 | — | Not used |
45 | 60 | Ignition |
46 | — | Not used |
47 | — | Not used |
48 | — | Not used |
49 | 60 | Engine cooling |
50 | — | Not used |
51 | 60 | ABS |
52 | 60 | Central junction box (central timer module, rear window defrost relay, fuses 24, 25, 27, 28, 34) |
Relay | ||
R1 | Fuel pump | |
R2 | EEC module | |
R3 | Air conditioning | |
R4 | Low beam | |
R5 | High beam | |
R6 | Horn | |
R7 | Starter solenoid | |
R8 | Engine cooling fan (high speed) | |
R9 | Engine cooling fan | |
R10 | Not used | |
R11 | Daytime running lights | |
Diode | ||
D1 | Reverse voltage protection | |
D2 | Not used |
Engine Compartment Fuse Box (’95-’98)
No. |
A |
Fused component |
1 | 80 | Main power supply to vehicle electrical system |
2 | 60 | Engine cooling fan |
3 | 60 | ABS braking system, heater blower (’98) |
4 | 20 | Ignition, Daytime running lights |
5 | 15 | Foglamp |
6 | — | Not used |
7 | 20 | ’98: ABS system |
30 | ’95-’97: ABS system | |
8 | 30 | ’95-’97: Air pump |
9 | 20 | Electronic Engine Control (EEC) |
10 | 20 | Ignition switch |
11 | 3 | EEC ignition module (memory) |
12 | 15 | Horn and hazard flasher warning system |
13 | 20 | ’98: HEGO sensor |
15 | ’95-’97: HEGO sensor | |
14 | 15 | Electrically operated fuel pump |
15 | 10 | Low beam headlamp – (passengers side) |
16 | 10 | Low beam headlamp – (driver’s side) |
17 | 10 | High beam headlamp – (passengers side) |
18 | 10 | High beam headlamp – (driver’s side) |
Relay | ||
R1 | Daytime running lights | |
R2 | Radiator fan relay (high speed) | |
R3 | Air conditioning | |
R4 | Air conditioning clutch relay | |
R5 | Radiator fan relay (low speed) | |
R6 | Starter solenoid | |
R7 | Horn | |
R8 | Fuel pump | |
R9 | Low beam headlamps | |
R10 | High beam headlamps | |
R11 | PCM module | |
Diode | ||
D1 | Reverse voltage protection |
Auxiliary relays (outside of fuse boxes (’99-’00))
No. |
Circuits switched |
Location |
R18 | “One touch” switch (drivers window) | Driver’s door |
R22 | Foglamps | Wire shield on instrument panel |
R23 | Turn signals | Steering column |
R24 | Panic alarm – driver’s side | Door lock module bracket |
R25 | Panic alarm – right-hand side | Door lock module bracket |
R32 | Hego heater control (’00) | Near PCM-Module |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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