Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
16
15A
High beams, Indicator
17
—
Not used
18
5A
Dimmer switch, Interior lighting
19
15A
Engine control (diesel engine only)
20
5A
Starting system
21
10A
DRL resistor
22
15A
Air horn, Air suspension dump, Two-speed
axle, Driver-controlled locking differential
23
10A
Flasher relay
24
15A
Hydraulic brakes relay, Fuel heater relay
(diesel engine only), Air dryer
25
10A
Blower motor relay coil
26
10A
Right-hand low beam headlight
27
—
Not used
28
10A
Left-hand low beam headlight
29
10A
Cluster, GEM
30
15A
Allison electronic transmission
31
15A
Mirror fold relay
Relay 1
—
Interior lamps
Relay 2
—
Not used
Relay 3
—
Horn
Relay 4
—
Not used
Relay 5
—
Not used
200
Fuses
2013 F-650/750
(f67)
Owners Guide gf, 2nd Printing, March 2013
USA
(fus)