Ford MKZ 2010 Owner's Manual page 238

Roadside Emergencies
WARNING: To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the
Battery section of the Maintenance and Specifications chapter.
The high-current fuses are coded as follows.
Fuse/Relay
Location
1
2
3
4
5
6
7
8
9
238
2010 MKZ (378)
Owners Guide, 2nd Printing
USA (fus)
Fuse Amp Protected Circuits
Rating
— Not used
— Not used
40A* Powertrain control module (PCM)
(relay 57 power)
— Not used
30A* Starter motor (relay 55 power)
40A* Rear defrost (relay 53 power)
— Not used
40A* Anti-lock brake system (ABS)
pump
20A* Wipers washer