The high-current fuses are coded as follows:
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
1 — Not used
2 — Blower motor relay
3 — Not used
4 — Not used
5 40A** Cooling fan (vehicles with trailer
tow)
60A** Cooling fan (vehicles without trailer
tow)
6 40A** Cooling fan (trailer tow only)
7 30A** Rear heated seats
8 10A* Alternator
9 20A* Trailer tow parking lamps
10 — Not used
11 — Trailer tow parking lamp relay
12 — Not used
13 — Not used
14 — Not used
Roadside Emergencies
234
2010 MKX (mkx)
Owners Guide, 3rd Printing
USA (fus)