The following table and diagram show the 2008 Ford Super Duty F-650 F-750 Passenger Compartment Fuse Panel and , Fuse/ location, fuse ampere rating, and fuse description. (click image to enlarge)

2008 Ford Super Duty F-650 F-750 Fuse Panel Relay

Fuse/ Location Fuse Amp Rating Fuse Description and Circuit Protected
1
2
3
4
20A
15A
20A
10A
Horn
Flasher
Cigar lighter
Diagnostics, Parking brake warning
5 15A Blend door actuator, Climate mode, Back-up lamps, DRL signal, Heated seats, Trailer , Exhaust brakes
6
7
8
9
10
11


5A
5A
15A
5A
Not used
Not used
Radio, GEM 4
Power window switch LED and
Heated mirrors
Wiper motor, Washer pump relays
12 10A Stoplamp switch (Hydraulic brake vehicles only), Allison push-button shifter
13
14
15
16
17
18
19
20
21
20A
10A
10A
15A

5A
15A
5A
10A
Cluster, Radio
Interior lamp
Interior lamp , GEM, Vanity mirrors
High beams, Indicator
Not used
switch interior lighting
Engine control
Starting system
DRL resistor
22 15A Air horn, Air suspension dump, Two-speed axle, Driver-controlled locking differential
23
24
25
26
27
28
29
30
31
10A
15A
10A
10A

10A
10A
15A
Flasher
, Air dryer, Vacuum pump, Fuel heater
Function selector switch
RH low beam
Not used
LH low beam
Cluster warning lamps, Gauges, Hydraulic
Allison electronic transmission
Not used
1
2
3
4
5




Interior lamps
Not used
Horn
One-touch down window
Not used


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