2002-2005 Mercury Mountaineer Fuse Box Diagram
Engine Compartment Fuse Box
| No. | A | Description |
|---|---|---|
| 1 | 60 | PJB |
| 2 | 30 | BSM |
| 3 | - | - |
| 4 | 30 | Rear defrost |
| 5 | 40 | Anti-lock Brake System (ABS) pump |
| 6 | 60 | Delayed accessory, Power windows ('04-'05), Audio ('04-'05) |
| 7 | 20 | Power point #2 |
| 8 | - | - |
| 9 | 20 | Power point #1 |
| 10 | 30 | ABS module (valves) |
| 11 | 40 | PTEC ('02-'03), Powertrain Control Module (PCM) ('04-'05) |
| 12 | 50 | Ignition relay/Starter relay |
| 13 | 40 | Trailer tow battery. Trailer tow turn signals |
| 14 | 10 | '02-'03: Daytime Running Lamps (DRL) (Canada) |
| 15 | 15 | Memory (KAPWR) ('02), Memory (PCM/DEATC/Cluster) ('03-'05), Courtesy lamps ('03-'05) |
| 16 | 15 | Headlamp switch ('02-'03), Foglamp switch ('03), Park lamps ('04-'05), Autolamp parklamps ('04-'05), Front foglamps relay coil ('04-'05) |
| 17 | - | - |
| 18 | 20 | 4x4 (v-batt 1) ('02-'03), PCM with two-speed 4x4 clutch ('04-'05) |
| 19 | 20 | High beam relay |
| 20 | 30 | Trailer electric brake module |
| 21 | 30 | Front wiper motor |
| 22 | 20 | Autolamp; Low beam |
| 23 | 30 | Ignition switch, PCM diode ('04-'05) |
| 24 | - | - |
| 25 | 15 | '04-'05: Brake on-off |
| 26 | 15 | '02-'03: Fuel pump |
| 20 | '04-'05: Fuel pump | |
| 27 | 20 | Trailer tow lamps, Trailer tow back-up |
| 28 | 20 | Horn relay |
| 29 | 60 | PJB |
| 30 | 20 | Rear wiper motor |
| 31 | - | - |
| 32 | - | - |
| 33 | 30 | Auxiliary blower motor |
| 34 | 30 | Power seats, Adjustable pedals |
| 35 | 20 | Rear power point ('02) |
| 36 | 40 | Blower motor |
| 37 | 15 | A/C clutch relay/Transmission |
| 38 | 15 | Coil on plug ('02-'03), HEGO ('04-'05), VMV ('04-'05), CMS ('04-'05), ESM ('04-'05), CVS ('04-'05) |
| 39 | 15 | Injectors/Fuel pump relay |
| 40 | 15 | PTEC power ('02-'03), PCM power ('04-'05) |
| 41 | 15 | HEGO ('02-'03), VMV ('02-'03), CMS ('02-'03), PTEC ('02-'03), Coil on plug ('04-'05; 4.6L engine only), Ignition coil ('04-'05; 4.0L engine only) |
| 42 | 10 | Right low beam |
| 43 | 10 | Left low beam |
| 44 | 15 | Front foglamps |
| 45 | 5 | Brake pressure switch ('02) |
| 2 | Brake pressure switch (ABS) ('03-'05) | |
| 46 | 20 | High beams |
| 62 | 30 | Circuit Breaker: Delayed accessory ('02), Power windows ('03-'05) |
| Relay | ||
| 47 | Horn | |
| 48 | Fuel pump | |
| 49 | High beam | |
| 50 | Fog lamp | |
| 51 | '02-'03: Daytime Running Lamps | |
| 52 | A/C clutch | |
| 53 | Trailer tow right turn | |
| 54 | Trailer tow left turn | |
| 55 | Blower motor | |
| 56 | Starter | |
| 57 | '02-'03: PTEC
'04-'05: PCM |
|
| 58 | Ignition | |
| 59 | '02-'03: Driver brake applied or Daytime Running Lamps | |
| Diode | ||
| 60 | PCM | |
| 61 | A/C clutch | |
Rear Relay Box
| No. | Description | |
|---|---|---|
| 14 | - | |
| 15 | Trailer tow back-up lamps | |
| 16 | - | |
| 17 | - | |
| 18 | - | |
| 19 | Trailer tow park lamps | |
| 20 | Trailer tow battery charge | |
| 21 | - | |
| 22 | '02: Approach lamps | |
| 23 | - | |
| Diode | ||
| 3 | - | |
| 4 | - | |
Passenger Compartment Fuse Panel
| No. | A | Description |
|---|---|---|
| 1 | 30 | Memory seat module, Driver power seat ('03-'05), Driver power lumbar ('05) |
| 2 | 20 | Heated seats ('02), Moonroof |
| 3 | 20 | Radio, Amplifier, Power antenna ('02), DVD |
| 4 | 5 | Front wiper module |
| 5 | 15 | Flasher relay (Turn, hazards) |
| 6 | 10 | Right horn ('02), Key-in-chime ('03-'05) |
| 7 | 15 | Heated mirrors |
| 8 | 5 | '04-'05: Heated PCV (4.0L engine only) |
| 9 | - | - (spare) |
| 10 | 10 | Heated backlight relay coil, Heated seat module ('02), Temp blend actuator ('02), A/C clutch contact |
| 11 | 20 | '03-'05: Heated seats |
| 12 | 5 | '02: Foglamp switch, 4x4 module |
| 13 | 5 | Overdrive cancel switch, Flex fuel sender ('02-'03) |
| 14 | 5 | PATS module |
| 15 | 5 | Rear wiper module, Cluster, TPMS ('02-'03) |
| 16 | 5 | Power mirror, Manual climate control, TPMS |
| 17 | 15 | Delayed acc. coil, Battery saver, Interior lamps (front and rear), Glove compartment lamp |
| 18 | 10 | Left horn ('02-'03), Flexible fuel pump ('04-'05) |
| 19 | 10 | RCM, PAD indicator ('02) |
| 20 | 5 | Memory driver seat switch, Driver seat module, Body Security Module (BSM), PATS LED, Sunload sensor ('02-'03) |
| 21 | 5 | Instrument cluster, Compass, Flasher coil |
| 22 | 10 | ABS, IVD Controller |
| 23 | 15 | '02-'03: Brake pedal position switch, Driver brake applied relay, Redundant cruise deactivate switch |
| 24 | 15 | Cigar lighter, OBD II |
| 25 | 5 | Mode-Temperature actuator for auxiliary climate control, Trailer tow battery charge coil, TPMS ('04-'05) |
| 26 | 7.5 | Reverse park aid, Brake shift interlock, Approach lamp relay coil ('02), IVD switch |
| 27 | 7.5 | Automatic dimming mirror, Digital transmission range sensor, Backup lamps |
| 28 | 5 | Radio (Start)/DVD (Start) |
| 29 | 10 | Digital transmission range sensor, PWR feed to fuse #28 (Start feed) |
| 30 | 5 | Daytime Running Lamps (DRL), Remote solenoid, DEATC climate controller, Manual climate control, Manual climate control temp blend actuator |
| No. | Description |
|---|---|
| 1 | Flasher |
| 2 | Rear defrost |
| 3 | Delayed accessory |
| 4 | Open |
| 5 | Battery saver |
| 6 | Open |
| 7 | Open |