Ford 2012 Mustang 197 Owner's Manual page 236

Roadside Emergencies
Fuse/Relay Fuse Amp
Location Rating
40 15A**
41 G8VA relay Fuel pump relay
42 G8VA relay Intercooler pump relay (Shelby only)
43 G8VA relay A/C compressor relay
44
45 5A**
46 5A**
47 15A**
48 15A**
49 15A**
50 Full ISO
relay
51 Full ISO
relay
52 Full ISO
relay
53 Full ISO
relay
54 Full ISO
relay
55 Full ISO
relay
56 High current
relay
57 Full ISO
relay
58 High current
relay
* Cartridge Fuses ** Mini Fuses
Auxiliary relay with heated seats (if equipped)
On heated seat equipped vehicles, there is a relay box located under the
driver seat containing two relays for the driver and passenger heated seats.
236
2012 05+ Mustang (197)
Owners Guide, 2nd Printing
USA (fus)
Protected Circuits
PCM vehicle power 4 – ignition coil
— Not used (spare)
PCM run/start
PCM vehicle power 3 – general powertrain
components
PCM vehicle power 1
Mass air flow sensor
PCM vehicle power 2 – emissions related
powertrain components
Cooling fan relay (high)
Blower motor relay
Starter relay
Rear defroster relay
Front wiper relay
Cooling fan relay (low)
Fuel pump sensor (Shelby only)
PCM relay
Not used (Spare)