Maxi-Fuse Block
When a fuse goes out, first check the instrument
panel fuse block. If there are no fuses out, the
problem could be in the maxi-fuse block.
The maxi-fuse block outside of the cab on
the driver’s side of the vehicle. To access the
maxi-fuse block, remove the four screws from
the front of the box and remove the cover.
Power is fed through these fuses to devices such
as the headlamp switch, ignition switch feed
circuits and the auxiliary brake pump (hydraulic
brake vehicles).
Do not use maxi-fuses of higher amperage than
those indicated on the maxi-fuse block.
Fuses Usage
ST/TURN/HAZ
Stoplamp, Turn Signals/Hazard
Warning Flashers
IGN SW 3 Air Conditioner, Axle, Chassis
INT/EXT
LIGHTS
Parking Lamps, Dome Lamp,
Instrument Panel Lights
HEAD LAMP
Headlamps, Daytime
Running Lamps
AUX WRG Auxiliary Wiring, Parking Brake
IGNSW1
Ignition Switch, Washer/Wiper,
Crank, Radio
HYD PUMP Hydraulic Brake, Brake Pump Motor
ABS Anti-lock Brake System Module
ELECT TRANS Ignition Relay
PARK BRAKE Parking Brake Motor
BLOWER
HORN
Blower, Horn, Cigarette Lighter,
Auxiliary Outlets
TRAILER ABS
Trailer Anti-lock Brake System,
Trailer Stoplamps
PWR WDO/
LOCKS
Power Window, Power Door Locks
281
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