Ford

Ford Mustang V S197 (2005-2009) – Fuse Box Diagrams and Relays

Ford Mustang V S197 2005-2009 uses a passenger-compartment fuse panel on the passenger side and an engine-compartment power-distribution box. Later model years add circuits for HID headlamps and heated seats, while several window, PCM and seat assignments changed during production.

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Fuse-box locations

Passenger compartment: low in the passenger footwell, behind the right kick-panel trim and fuse cover. Engine compartment: under the large black cover of the power-distribution box.

Passenger-compartment fuse panel

Ford Mustang 2005-2009 passenger-compartment fuse panel diagram
Position Rating [A] Protected component / function
1 Relay Delayed accessory power.
2 – Not used.
3 10 Wiper power; on later model years also blower-motor relay.
4 5 Power mirrors.
5 – Not used.
6 5 Delayed accessory power.
7 5 / 10 2005-2006: overdrive cancel; 2007-2009: electrochromic mirror / ambient lighting.
8 10 Instrument cluster, Data Link Connector.
9 – Not used.
10 5 Intrusion-sensor module, climate control.
11 – Not used.
12 5 Climate control, ignition.
13 – Not used.
14 5 A/C cycling switch.
15 10 Brake on/off switch.
16 5 Instrument cluster.
17 10 Restraints Control Module, occupant detection, Passenger Airbag Deactivation indicator.
18 10 ABS; on 2005-2006 also heated PCV / ignition.
19 5 PCM relay, PATS; on 2007-2009 also airbag indicator in the cluster.
20 10 Radio – start feed.
21 10 Starter relay.

Engine-compartment power-distribution box

Ford Mustang 2005-2009 engine-compartment fuse and relay box diagram
Position Rating [A] Protected component / function
1 – Not used.
2 30 A/C blower.
3 40 Radiator cooling fan.
4 30 Starter.
5 30 2005: right front window motor; 2006-2009: left / driver window motor.
6 30 Rear Shaker 1000 amplifier.
7 30 2005: left front window motor; 2006-2009: right / passenger window motor.
8 40 ABS No. 1.
9 30 Rear Shaker 1000 amplifier.
10 30 Wipers.
11 30 Left rear window motor – convertible only.
12 30 Right rear window motor – convertible only.
13 30 / 40 Convertible top – 30 A in 2005, 40 A in 2009.
14 30 Power seat; driver seat on 2007-2009.
15 30 2007-2009: passenger seat.
16 30 Front Shaker 500/1000 amplifier.
20 Relay PCM / PCM No. 2.
21 Relay Fuel pump.
22 Relay Starter.
23 Relay 2005-2006: PCM No. 1; not used in 2009.
24 Relay A/C clutch.
25 Relay Cooling fan – high speed.
26 Relay Horn.
27 Relay High beams.
28 Relay Cooling fan – low speed.
29 Relay Heated rear window.
30 Relay Fog lamps.
31 Relay Convertible top – open.
32 Relay A/C blower.
33 Relay Convertible top – close.
34 Relay 2006-2009: decklid release.
39 15 2007-2009: engine circuit No. 4.
40 15 Engine circuit No. 2.
41 15 Fuel pump.
42 15 Engine circuit No. 3.
43 10 Alternator.
44 10 Delayed accessory power.
45 10 PCM.
46 25 Horn.
47 15 Engine circuit No. 1.
48 Diode / – 2005-2008: A/C clutch diode; 2009: not used.
49 15 A/C clutch.
50 15 High beams.
51 10 Convertible top.
52 30 Heated rear window.
53 Diode PCM.
54 10 / 20 2005-2006: PCM delay; 2008-2009: left HID headlamp – 20 A.
55 20 2008-2009: right HID headlamp.
56 20 Radio; on 2007-2009 also SDARS satellite radio.
57 20 Decklid release.
58 15 Fog lamps.
59 30 Smart Junction Box No. 5.
60 – Not used.
61 20 Power point No. 1 – instrument panel.
62 20 Smart Junction Box No. 7.
63 30 Smart Junction Box No. 6.
64 20 Power point No. 2 – console.
65 30 ABS No. 2.
66 25 2007-2009: heated seats.
67 30 Smart Junction Box No. 4.
68 20 Ignition.

Additional relays

On 2008-2009 cars with HID headlamps, Ford used an additional relay box under the hood. Heated-seat versions also use a small auxiliary relay panel.

Position Rating [A] Protected component / function
1 Relay 2008-2009 with HID: left HID headlamp.
2 Relay 2008-2009 with HID: right HID headlamp.
3 – Not used.
4 – Not used.

Commonly checked circuits

  • Fuel pump: under-hood position 41 – 15 A; relay 21.
  • OBD-II / DLC: cabin position 8 – 10 A.
  • Radio: cabin position 20 – 10 A start feed and under-hood position 56 – 20 A.
  • Power points: under-hood positions 61 and 64 – 20 A each.
  • Heated seats 2007-2009: under-hood position 66 – 25 A.

FAQ – Ford Mustang 2005-2009 fuses

Are the 2005 and 2009 fuse assignments identical?

No. Window-motor, seat, PCM, HID and heated-seat assignments changed during the production run, so the year notes in the tables matter.

Where is the fuel-pump fuse and relay?

Fuse 41 – 15 A and relay 21 are in the engine-compartment power-distribution box.

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