The high-current fuses are coded as follows:
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
1
50A**
BATT 2 (SJB)
2
50A**
BATT 3 (SJB)
3
50A**
BATT 1 (SJB)
4
30A**
Fuel pump, Injectors
5
30A**
Third row seat (left)
6
40A**
ABS pump
7
40A**
Powertrain Control Module
(PCM)
8
—
Not used
9
—
Not used
10
30A**
Power seat (right)
11
30A**
Starter
12
30A**
Third row seat (right)
13
30A**
Trailer tow battery charger
2009 Mountaineer
(mnt)
Owners Guide, 2nd Printing
USA
(fus)
Roadside Emergencies
300