Fuse/Relay
Location
Fuse Amp
Rating
Protective Circuits
24
20A
Horn
25
10A
Demand lamps, Glovebox, Visor
26
10A
Instrument panel cluster
27
20A
Ignition switch
28
5A
Radio
29
5A
Instrument panel cluster
30
5A
Not used (spare)
31
10A
Not used (spare)
32
10A
Airbag module
33
10A
Not used (spare)
34
5A
Not used (spare)
35
10A
Rear park assist, 4x4, Rear video
camera, 2nd row heated seats
36
5A
Passive anti-theft system
37
10A
Climate control
38
20A
Subwoofer, THX amplifier
39
20A
Radio
40
20A
THX amplifier
41
15A
Power windows, Power vents,
Power moon roof, Auto dimming
rear view mirror, 110V AC power
point
42
10A
Not used (spare)
43
10A
Rear wiper logic, Rain sensor
44
10A
Trailer tow battery charge relay
coil
45
5A
Front wiper logic
46
7.5A
Climate control, Auxiliary relay
control
47
30A Circuit
Breaker
Power windows, Moon roof
48
—
Delayed accessory relay
Roadside Emergencies
270
2012 Navigator
(nav)
Owners Guide, 1st Printing
USA
(fus)