Specifications

Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
36 Diode Fuel diode
37 — Not used
38 15A** Fuel injectors (Shelby only)
39 5A** Rear defroster coil (run/start)
40 15A** PCM vehicle power4–ignition coil
41 G8VA relay Fuel pump relay
42 G8VA relay Intercooler pump relay (Shelby
only)
43 G8VA relay A/C compressor relay
44 — Not used (spare)
45 5A** PCM run/start
46 5A** PCM vehicle power 3 – general
powertrain components
47 15A** PCM vehicle power 1
48 15A** Mass air flow sensor
49 15A** PCM vehicle power 2 – emissions
related powertrain components
50 Full ISO relay Cooling fan relay (high)
51 Full ISO relay Blower motor relay
52 Full ISO relay Starter relay
53 Full ISO relay Rear defroster relay
54 Full ISO relay Front wiper relay
55 Full ISO relay Cooling fan relay (low)
56 High current
relay
Fuel pump sensor (Shelby only)
57 Full ISO relay PCM relay
58 High current
relay
Not used (Spare)
* Cartridge Fuses ** Mini Fuses
Roadside Emergencies
241
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)