Mercury Mountaineer 1998 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located on the left hand side of the instrument panel facing the driver’s side door.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 7.5A | Power Mirror Switch |
| 2 | 7.5A | Blower Motor Relay, PAD Module, Air Bag Diagnostic Monitor |
| 3 | 7.5A | Trailer Tow Connector |
| 4 | 10A | Left Headlamp |
| 5 | 10A | Data Link Connector (DLC) |
| 6 | 7.5A | Air Bag Diagnostic Monitor, Blower Motor Relay, Passive Deactivation (PAD) Module |
| 7 | 7.5A | Trailer Tow Connector |
| 8 | 10A | Right Headlamp, Daytime Running Lamps (DRL) Module, Foglamp Relay |
| 9 | 7.5A | Stop Lamp Switch |
| 10 | 7.5A | Speed Control/Amplifier Assembly, Brake Pressure Switch, Generic electronic Module (GEM), Shift Lock Actuator, Blend Door Actuator, Main Light Switch, RABS Resistor, A/C - Heater Assembly, Flasher |
| 11 | 7.5A | Instrument Cluster, Main Light Switch, RABS Resistor |
| 12 | 10A | Power Window Relay, Washer Pump Relay |
| 13 | 20A | Stop Lamp Switch, Brake Pressure Switch |
| 14 | 20A | Rear Anti-Lock Brake System (RABS) Module, 4 Wheel Anti-Lock Brake System (4WABS) Module, 4WABS Main Relay |
| 15 | 7.5A | Instrument Cluster |
| 16 | 30A | Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay |
| 17 | 15A | Cigar lighter |
| 18 | 15A | Drivers Unlock Relay, All unlock Relay, All Lock Relay |
| 19 | 25A | PCM Power Diode |
| 20 | 7.5A | RAP Module, Generic Electronic Module (GEM), Radio |
| 21 | 15A | Flasher (Hazard) |
| 22 | 20A | Auxiliary Power Socket |
| 23 | 15A | Turn Signals |
| 24 | - | Not Used |
| 25 | 7.5A | Generic Electronic Module (GEM), Instrument Cluster |
| 26 | 10A | Battery Saver Relay, Electronic Shift Relay, Interior Lamp Relay, Power Window Relay, Electronic Shift Control Module, Transmission Control |
| 27 | 15A | Switch, DRL, Backup Lamps Switch, DTR Sensor, Instrument Illumination Dimming Module, Dome/Map Lamp, GEM, Electric Shift, Interior Lights, Glove Box Lamp and Switch |
| 28 | 7.5A | Generic Electronic Module (GEM), Radio |
| 29 | 15A | Radio |
| 30 | 15A | Park Lamp/Trailer Tow Relay |
| 31 | - | Not used |
| 32 | 10A | Rear Blower |
| 33 | 15A | Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster |
| 34 | 7.5A | Rear Integrated Control Panel, CD |
| 35 | 10A | RABS Test Connector |
| 36 | 7.5A | CD, Rear Integrated Control Panel, Memory Seat, Message Center |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| Maxi Fuses | ||
| 1 | 50A | I/P Fuse Panel |
| 2 | 40A | Blower Motor Relay |
| 3 | 50A | 4 Wheel Anti-Lock Brake System (4WABS) Module |
| 4 | 20A | Mainlight Switch, Instrument Cluster |
| 5 | 50A | Ignition Switch, Starter Relay |
| 6 | 20A | Transfer Case Relay |
| 7 | - | Not used |
| 8 | 20A | Automatic Ride Control ARC Switch Off/On Switch |
| 9 | 40A | Automatic Ride Control Relay |
| 10 | 30A | PCM Power Relay |
| Mini Fuses | ||
| 1 | 10A | A/C Relay |
| 2 | 20A | Auxiliary Power Point |
| 3 | - | Not used |
| 4 | 15A | Fog Lamps and Daytime Running Lamps |
| 5 | 10A | Air Bag Diagnostic Monitor |
| 6 | 10A | Powertrain Control Module |
| 7 | 30A | 4 Wheel Anti-Lock System (4WABS) Module |
| 8 | 30A | PCM Relay |
| 9 | 20A | Fuel Pump Relay and RAP Module |
| 10 | 15A | Horn Relay |
| 11 | 15A | Parklamps Relay and Mainlight Switch |
| 12 | 30A | Mainlight Switch and Multifunction Switch |
| 13 | 15A | Heated Oxygen Sensor, EGR Vacuum Regulator, EVR Solenoid, Camshaft Position (CMP) Sensor, Canister Vent Solenoid, A4LD Automatic Transmission |
| 14 | 30A | Generator/Voltage Regulator |
| Relays | ||
| Wiper Park Relay | - | Wiper Park Relay |
| Wiper HI/LO Relay | - | Wiper HI/LO Relay |
| PCM Power Relay | - | PCM Power Relay |
| Fuel Pump Relay | - | Fuel Pump Relay |
| Horn Relay | - | Horn Relay |
| Washer Pump Relay | - | Washer Pump Relay |
| Fog Lamp Relay | - | Fog Lamp Relay |
| Starter Relay | - | Starter Relay |
| Blower Motor Relay | - | Blower Motor Relay |
| 1 | Resistor | Fuse (7ca) |
| 2 | Diode | Anti-Lock Brakes Indicator |
| 3 | Diode | Electronic Engine Controls |
