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Peterbilt 365 - How to Inspect and Replace a Fuse

Peterbilt 365
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NOTE
Keep the engine running at idle speed
unless a warning icon turns on that re-
quires the engine to be shut off.
2. Check to ensure the Oil Pressure
Gauge reads normal.
3. Make sure the engine fan is turning
by switching the Engine Fan
Switch from AUTO to MAN
(Manual).
4. Idle the engine to see if this
reduces the coolant temperature. If
the temperature does not begin to
drop, shut off the engine and
contact your nearest authorized
dealer.
5. If the temperature begins to return
to normal, allow the engine to idle 3
to 5 minutes before shutting it off.
This allows the engine to cool
gradually and uniformly.
6. If overheating came from severe
operating conditions, the
temperature should have cooled by
this time. If it has not, stop the
engine and let it cool before
checking to see if the coolant is
low.
7. Be sure the vehicle is parked on
level ground or the readings may
be incorrect. Check the coolant
level at the coolant surge tank.
Check the coolant level after each trip
when the engine has cooled. The coolant
level should be visible within the surge
tank. Add coolant if necessary.
How to Inspect and
Replace a Fuse
Turn the ignition off and turn all lights off.
WARNING
DO NOT replace a fuse with a fuse of
a higher rating. Doing so may damage
the electrical system and cause a fire.
Failure to comply may result in proper-
ty damage, personal injury, or death.
CAUTION
Never patch fuses with tin foil or wire.
This may cause serious damage else-
where in the electrical circuit, and it
may cause a fire.
CAUTION
If a circuit keeps blowing fuses, have
the electrical system inspected for a
short circuit or overload by an author-
ized dealer as soon as possible. Fail-
ure to do so could cause serious dam-
age to the electrical system and/or ve-
hicle.
CAUTION
Before replacing a fuse, turn OFF all
lights and accessories and remove the
ignition key to avoid damaging the
electrical system.
1. Turn OFF all lights and accessories
and remove the ignition key to
avoid damaging the electrical
system.
2. Determine from the chart on the
fuse panel which fuse controls that
component.
EMERGENCY - How to Inspect and Replace a Fuse
36 Y53-6076-1D1 (09/20)
2

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