1987-1993 Ford Mustang Fuse Box Diagram
Fuse Block
| No. | A | Protected Component |
|---|---|---|
| 1 | 15 | Stoplamps, Hazard Warning Lamps, Speed Control, High-Mount Stoplight |
| 2 | 8.25 | Circuit Breaker: Windshield Wiper, Windshield Washer Pump, Interval Wiper, Washer Fluid Level Indicator |
| 15 | -'93: Windshield Wiper/Washer | |
| 3 | - | - |
| 4 | 15 | Headlight ('88-'89), Tail Lamps, Parking Lamps, Side Marker lamps, Instrument Cluster Illumination Lamps, License Lamps, Waning Chime |
| 5 | 15 | Turn Signal Lamps, Backup Lamps (Back-Up Lights Switc (Manual Transmission), Park/Neutral Position Switch (Automatic Transmission)),Fluid Level Module, Shift Lock Actuator, Rear Window Defogger Control Relay, Rear Window Defogger Switch, Daytime Running Light (DRL) Module (-'93), Convertible Top Switch |
| 6 | 20 | A/C Clutch, Rear Window Defogger ('88-'89), Lugagge Compartment Lid Release, Speed Control Module, Clock/Radio Display, A/C Throttle Positioner, Day/Night Illumination Relay |
| 7 | 15 | '92-'93: Airbag Diagnostic Module |
| 8 | 15 | Courtesy Lamps, Key Warning Buzzer, Fuel Filler Door Release, Radio, Power Mirror, Glove Box Light, Engine Compartment Light, Luggage Compartment Light, Map Light, Vanity Mirror Light |
| 9 | 30 | A/C & Heater Blower Motor |
| 10 | 20 | Flash-to-Pass, Low Oil Warning Relay, Multi-Function Switch ('93), Daytime Running Light (DRL) Module ('93) |
| 11 | 15 | Radio, Tape Player, Premium Sound, Graphic Equalizer, Clock |
| 12 | 20 | Circuit Breaker: Air Bag System ('90-'92) |
| 15 | Convertible: Raise Relay, Lower Relay | |
| 13 | 5 | Instrument Cluster Illumination Lamps, Radio, Climate Control, Ash Receptacle Lamps, Floor "PRNDL" Lamp, Dash Symbols & Lights ('88-'92) |
| 14 | 20 | Circuit Breaker: Power Windows |
| 15 | 15 | Fog Lamps |
| 16 | 20 | Horn, Cigar Lighter, Speed Control ('90-'92), Electronic Console Clock ('84-'89)
|
| 17 | 20 | '93: Premium Sound Amplifier |
| 18 | 15 | Warning Indicator Lamps, Throttle Solenoid Positioner, Low Fuel Module, Warning Chime Module / Dual Timer Buzzer, Tachometer, Engine Idle Track Relay, Fluid Module Display, Airbag Diagnostic Module (-'93), Low Coolant Switch (5.0L), Low Oil Warning Relay (5.0L), Seat Belt Chime, Carburetor (EFI) Circuits ('88-'92), Restart Choke Control ('88-'92), Cooling Fan/Compressor Clutch Control ('88-'92) |
Fusible Links (near Starter Relay)
- F. 14 Ga - GRN (BLK-ORG) - Alternator, Fusible Link (E. 18 Ga - BRN (YEL-WHT) - Alternator (5.0 L / 2.3 L))
- 18 Ga - BRN (ORG-BLK) - A/C Cooling Fan Control (2.3L engine)
- '87-'90: 20 Ga - BLU (BLK-ORG) - Electronic Engine Control (EEC) Power Relay
- 16 Ga - BLK (YEL) - Fuse No.: "1"
- -'93: A. 16 Ga - BLK (YEL) - Ignition Switch, Fuse No.: "1", "10", "17"
- '87-'88: B. 16 Ga - BLK (BLK-ORG) - Fuse No.: "8"
- '89-'93: B. 16 Ga - BLK (BLK-ORG) - Fuse No.: "4", "8"
- C. 16 Ga - BLK (BLK-YEL) - Rear Window Defogger Control Relay, Circuit Breaker: Convertible Top
- 18 Ga - BRN (ORG-LT BLU) - Fuel Pump Relay
- 2.3L ('91-'93): J. 20 Ga - DK BLU (YEL) - Integrated Relay Control Module (IRCM) Pin No.: "8", Powertrain Control Module (PCM)
- 2.3L ('91-'93): H. 18 Ga - BRN (BLK-ORG) - Integrated Relay Control Module (IRCM) Pin No.: "12" (Fuel Pump Relay)
- 2.3L ('91-'93): G. 18 Ga - BRN (BLK-ORG) - Integrated Relay Control Module (IRCM) Pin No.: "3", "4" (EDF Relay)
- 5.0L ('91-'93): G. 20 Ga - DK BLU (YEL) - Powertrain Control Momole (PCM), PCM Power Relay
- 5.0L ('91-'93): D. 18 Ga - BRN (PNK-BLK) - Fuel Pump Relay
- K. (5.0 L / 2.3 L) 20 Ga - DK BLU (GRY-YEL) - Left/Right Heated Exhaust Gas Oxygen Sensor
- N. (5.0 L / 2.3 L) DK BLU (RED-LT GRN) - Ignition Coil, TFI Ignition Module, Powertrain Control Module (PCM) Power Relay
Circuit Breaker (5.0 L / 2.3 L)
- Left/Right Power Lumbar Seat Switch, Driver's Seat Control Switch, Left/Right Door Lock Switch, Power Window Switch, Window Safety Relay (Convertible)
Relay Location
- 5.0L: Fuel Pump Relay - (In engine compartment, on right inner fender panel)
- 5.0L: Powertrain Control Module (PCM) Power Relay - (Behind right kick panel, above PCM module)
- 5.0L: WOT Cut-Out Relay - (In engine compartment, on right inner fender panel)
- Hazard Flasher - (On fuse block)
- Turn Signal Flasher - (Behind right center of dash)
- Horn Relay - (Behind center of dash, above fuse block)
- Low Oil Warning Relay - (Behind dash, on left side of steering column brace)
- Convertible: Raise Relay & Lower Relay (Behind top center of rear seat)
- Power Window Safety Relay - (Behind top of left kick panel)
- Starter Relay (5.0 L / 2.3 L) - (On left front inner fender panel, forward of strut tower)
- Windshield Wiper Interval Relay - (Behind dash, on left side of steering column brace)