Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
4
—
Trailer tow battery charge relay
5
—
Fuel pump relay
6
—
Electronic fan 1 relay
7
—
Rear window defroster/heated
mirror relay
8
—
Electronic fan 3 relay
9
—
Run/start relay
10
—
Rear air suspension relay
11
40A**
Power running board
12
40A**
Run/start relay
13
30A **
Starter relay
14
40A**
Electronic fan
15
20A**
Right hand high intensity
discharge headlamp relay
16
40A**
Electronic fan
17
20A**
Left hand high intensity
discharge headlamp relay
18
30A**
Trailer brake
19
60A**
Rear air suspension relay feed
20
—
Not used
21
30A**
Trailer tow battery charge relay
22
30A**
Passenger power seat
23
—
A/C clutch relay
24
—
Trailer tow park lamp relay
25
—
Right hand HID headlamp relay
26
—
Not used
27
20A*
4x4
28
25A*
Trailer tow park lamp relay
29
20A*
Backup lamps, Integrated wheel
end solenoid
30
10A*
A/C clutch relay
31
—
Not used
268
Fuses
2013 Navigator
(nav)
Owners Guide gf, 1st Printing
USA
(fus)