The fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
1
10A
Backup lamps, Electrochromatic
mirror
2
20A
Horns
3
15A
Battery saver: Interior lamps, Puddle
lamps, Trunk lamp, Glove box lamp,
Rear power windows
4
15A
Parklamps, License plate lamps
5
—
Not used
6
—
Not used
7
—
Not used
8
30A
Rear window defroster
9
10A
Heated mirrors
10
30A
Starter coil, PCM
11
15A
High beams
12
7.5A
Delay accessories: Radio head units,
Moon roof, Front power windows,
Electrochromatic mirrors
2009 MKZ
(378)
Owners Guide, 2nd Printing
USA
(fus)
Roadside Emergencies
215