Lincoln 2010 MKZ - Manual (Page 238)

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
Fuse Amp
Rating
Protected Circuits
1 — Not used
2 — Not used
3 40A* Powertrain control module (PCM)
(relay 57 power)
4 — Not used
5 30A* Starter motor (relay 55 power)
6 40A* Rear defrost (relay 53 power)
7 — Not used
8 40A* Anti-lock brake system (ABS)
pump
9 20A* Wipers washer
Roadside Emergencies
238
2010 MKZ (378)
Owners Guide, 3rd Printing
USA (fus)