FUSE SPECIFICATION CHART
Power Distribution Box
WARNINGS
Always disconnect the battery before
servicing high current fuses.
To reduce risk of electrical shock,
always replace the cover to the
power distribution box before
reconnecting the battery or refilling fluid
reservoirs.
The power distribution box is located in
the engine compartment. It has
high-current fuses that protect your
vehicle's main electrical systems from
overloads.
If you disconnect and reconnect the
battery, you will need to reset some
features. See Changing the 12V Battery
(page 204).
Protected componentsFuse amp ratingFuse or relay number
Blower motor.Relay1
Trailer tow and body builder stoplamps.Relay2
Urea heaters (diesel engine).Relay3
Driver air ride seat compressor.Relay4
Heated mirrors.Relay5
Not used.—6
Not used.—7
Passenger air ride seat compressor.20A*8
Not used.—9
Not used.—10
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F650750 (TBC), enUSA, First Printing
Fuses