Mercury Cougar 8th Generation (1999 – 2002) – fuse box diagram
Year of production: 1999, 2000, 2001, 2002
Fuse box in engine compartment (power distribution box)

| No. | A | Protected components |
| 1 | — | Not used |
| 2 | 15 | ’01-’02: Alternator |
| 7.5 | ’99-’00: Alternator | |
| 3 | 20 | Fog lamps |
| 4 | — | Not used |
| 5 | — | Not used |
| 6 | 3 | Engine management |
| 7 | 20 | Hazard lamps, Horn, Multi-function switch |
| 8 | — | Not Used |
| 9 | 15 | Fuel pump |
| 10 | — | Not used |
| 11 | 20 | Engine management (’99-’00), Ignition (’99-’00), Daytime running lamps |
| 12 | — | Not used |
| 13 | 20 | HEGO sensors |
| 14 | — | Not used |
| 15 | 7.5 | Right low beam |
| 16 | 7.5 | Left low beam |
| 17 | 7.5 | Right high beam |
| 18 | 7.5 | Left high beam, Instrument cluster, Front fog lamps |
| 39 | — | Not used |
| 40 | 20 | Ignition, Engine management (’01-’02), Starting (’99), Headlamp switch (’99-’00) |
| 41 | 20 | Engine management |
| 42 | 40 | Heater blower |
| 43 | — | Not used |
| 44 | — | Not used |
| 45 | 60 | Main power supply to vehicle electrical supply (Ignition relay) |
| 46 | — | Not used |
| 47 | — | Not used |
| 48 | — | Not used |
| 49 | 60 | Engine cooling fan |
| 50 | — | Not used |
| 51 | 60 | ABS |
| 52 | 60 | Timer module, Courtesy lamp, Rear window defrost, Fuses 25, 27, 28, 34 and 36 |
| Relay | ||
| R1 | Fuel pump | |
| R2 | Engine management | |
| R3 | Air conditioning | |
| R4 | Low beam | |
| R5 | High beam | |
| R6 | Horn | |
| R7 | Starter | |
| R8 | High speed engine cooling fan | |
| R9 | Engine cooling fan | |
| R10 | Not used | |
| R11 | Daytime running lamps | |
| Diode | ||
| D1 | ’00-’02: Starter relay | |
| ’99: Reverse voltage protection | ||
| D2 | Air conditioning | |
Passenger compartment fuse panel

| No. | A | Protected components |
| 19 | 7.5 | Mirror heater |
| 20 | 10 | Wipers |
| 21 | 40 | Power moonroof, Power windows |
| 22 | 7.5 | ABS/TCS |
| 23 | 15 | Turn signal lamps, Backup lamps, Speed control. Gearshift lever, A/C clutch, Blower motor, Bulb outage module (’99-’00) |
| 24 | 15 | Stop lamps, Speed control |
| 25 | 20 | Alarm system, Locking system |
| 26 | 7.5 | High beam, Low beam |
| 27 | 15 | Cigar lighter |
| 28 | 30 | Power seats |
| 29 | 30 | Rear window defroster |
| 30 | 7.5 | Engine management, Locking system, Instrument cluster |
| 31 | 7.5 | Panel dimmer, License plate lamps, Glove box lamp, Belt minder module (’01-’02) |
| 32 | — | Not used |
| 33 | 7.5 | Left-side lamps |
| 34 | 7.5 | Power mirrors, Clock, Interior lamps |
| 35 | 7.5 | Right-side lamps |
| 36 | 15 | Radio |
| 37 | 30 | Heater blower, Air conditioning |
| 38 | 7.5 | Air bags |
| Relay | ||
| R12 | Courtesy lamps | |
| R13 | Rear window defrost | |
| R14 | Blower motor | |
| R15 | Front wiper | |
| R16 | Ignition | |
| Diode | ||
| D2 | Reverse voltage protection | |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market
