Ford Mustang (1979 – 1982) – fuse box diagram
Year of production: 1979, 1980, 1981, 1982
Fuse box
| Fuse | Ampere Rating [A] | Description |
| 1 | 5 | ’79: Not Used ’80-’81: Illumination Lamps, Cluster, Clock, Radio Ash Receptacle, Heater & A/C Controls, PRNDL ’82: Not Used |
| 2 | 10 | Warning Lights, Dual Brake, Oil Pressure, Water Temperature, Seat Belt and Carburetor Throttle Emission Control Solenoid, Carburetor Circuits, Tachometer, Turbo Boost Indicators, Low Fuel Warning |
| 3 | — | — |
| 4 | 20 | ’79: Not Used ’80-’82: Horn, Cigar Lighter, Clock in Console |
| 5 | 20 | ’79: Horn, Cigar Lighter ’80-’82: Not Used |
| 6 | 20 | ’79: Not Used ’80-’81: Choke Heater |
| 5 | ’82: Instrument Illumination | |
| 7 | 15 | Courtesy Lights, Dome, Map, Glove Box, Luggage Compartment, Clock, Radio, Ignition Key Warning Buzzer, Headlight on Warning Buzzer |
| 8 | 20 | ’79: Hazard Warning, Stop Light Switch |
| 15 | ’80-’82: Exterior Lights, Instrument Illumination | |
| 9 | — | — |
| 10 | 15 | Radio |
| 11 | 25 | ’79: Air Conditioning Clutch, Heated Backlight Relay, Speed Control and Illuminated Entry |
| 20 | ’80: Air Conditioning Clutch, Liftgate Wiper Washer, Speed Control, Rear Window de-icer, Trunk Release and Light out Warning ’81-’82: Accessories, Air Conditioning Clutch, Heated Rear Window Relay Coil, Deck Lid Release, Power Window Safety Relay, Speed Control |
|
| 12 | 6 | Circuit Breaker: Windshield Wiper/Washer System |
| 13 | 5 | ’79: Illumination Lamps, Cluster, Clock, Radio Ash Receptacle, Heater & A/C Controls, PRNDL |
| 20 | ’80-’81: Stoplamps, Hazard Warning Lamps | |
| 15 | ’82: Stoplamps, Hazard Warning Lamps, Speed Control | |
| 14 | 30 | ’79: Heater and Air Conditioning System |
| 15 | ’80-’82: Turn Signal and Back-up Lights | |
| 15 | 20 | ’79: Turn Signal and Back-up Lights |
| 15 | ’80-’82: Heater | |
| 30 | ’80-’82: Air Conditioning System | |
| 16 | — | — |
| 17 | 20 | ’79-’81: Not Used ’82: Circuit Breaker: Power Windows |
Circuit Breakers
| Fuse | Circuit(s) protected | Ampere ratting [A] | Location |
| 1 | ’79, ’81-’82: Headlight circuit and high beam indicator light | 18 | Circuit breaker intergral with headlight switch |
| ’80: Headlight circuit and high beam indicator light | 22 | Circuit breaker intergral with headlight switch | |
| 2 | ’79: Park, Marker, License and Tail Lights; Transmission Indicator, Headlight on Relay Control | 15 | Circuit breaker integral with headlight switch |
| 3 | ’81-’82: Liftgate Wiper and Washer | 4,5 | On bracket above glove box |
| 4 | ’81-’82: Power Windows, Door Locks and Seats | 20 | Attached to starter motor relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
