Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
3 40A** Powertrain power, PCM relay coil
4 40A** Blower motor
5 — Not used
6 40A** Rear window defroster, Heated
mirrors
7 — Not used
8 40A** ABS pump
9 20A** Wipers
10 30A** ABS Valves
11 30A** Heated seats, Passenger
heated/cooled seat
12 30A** Driver heated/cooled seat
13 10A* SYNC
14 15A* Ignition switch
15 10A* Memory module logic
16 15A* Transmission
17 10A* Alternator sense
18 — Not used
19 40A** Logic feed to SJB (solid state
devices)
20 20A** THXII Amplifier #1
21 20A** THXII Amplifier #2
22 20A** Console power point
23 10A* PCM KAM and canister vent
solenoid
24 15A* Fog lamps
25 10A* A/C Compressor clutch
26 15A* LH HID Low beam
27 15A* RH HID Low beam
28 80A*** Engine cooling fan
29 — Not used
30 30A** Fuel pump/injectors relay
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
206
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
31 30A** Passenger power seat
32 30A** Driver power seat
33 20A** Moon roof
34 30A** Driver Smart power window
35 30A** Passenger Smart power window
36 1A* PCM diode
37 1A* One Touch Integrated Start
(OTIS) diode
38 — Not used
39 — Not used
40 — Not used
41 Relay Fog lamp relay
42 Relay Wiper park relay
43 Relay A/C clutch relay
44 — Not used
45 — Not used
46 15A* Injectors
47 15A* PCM class B
48 15A* Coil on plug
49 15A* PCM class C
50 Full ISO Relay LH HID low beam relay
51 Full ISO Relay RH HID low beam relay
52 Full ISO Relay Blower relay
53 — Not used
54 Full ISO Relay Fuel pump/injectors relay
55 Full ISO Relay Wiper RUN relay
56 — Not used
57 Full ISO Relay PCM relay
58 — Not used
*Mini fuses **A1 fuses ***A3 fuses
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
207
