TM 5-3805-281-10
Operational Checkout
WINDSHIELD WIPER
A--Windshield Wiper Switch
YES: Go to next check.
CIRCUIT CHECK
Key switch ON.
NO: Check if wiper
harness and/or fuse is
Turn wiper switch (A) to INT position.
connected. Go to your
authorized dealer.
Does wiper operate intermittently?
Turn wiper switch to ON position.
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Does wiper operate continuously?
Move wiper switch to OFF position.
Does wiper arm stop in park position?
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WINDSHIELD WASHER
A--Windshield Washer Switch
YES: Go to next check.
CIRCUIT CHECK
IMPORTANT: Washer motor may be damaged if
NO: Check washer fluid
washer switch is held for more than 20 seconds, or
level and check wiper
continually operated with no fluid in the windshield
fuse. Go to your
washer tank
authorized dealer.
Key switch ON
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Push washer switch (A)
Does washer fluid squirt on windshield?
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CAB DOME LIGHT
A--Dome Light Switch
YES: Go to next check.
CIRCUIT CHECK
Key switch ON.
NO: Check fuse. Go to
your authorized dealer.
Move switch (A) to on position.
Does cab dome light come on?
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