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| Illustration 1 | g00999560 |
Wiper and washer circuit | |
The components of the window wiper and washer circuit are the front window wiper and washer switch, the front and rear window washer motors, the front window wiper motor, the rear window wiper motor, and the rear window washer and wiper switch.
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| Illustration 2 | g00997219 |
Dash panel (1) Rear window wiper and washer switch (2) Front window wiper and washer switch | |
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| Illustration 3 | g00997220 |
View below window washer bottle (3) Front window washer motor (4) Rear window washer motor | |
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| Illustration 4 | g00997223 |
View behind dash panel (5) Front window wiper motor | |
With the key start switch in the ON position, 24 volt power is supplied from the batteries via circuit breaker #7 to the front window wiper and washer switch, the rear window wiper and washer switch, rear window wiper motor, and the front window wiper motor.
When front wiper and washer switch (2) is pushed in, 24 volt power is supplied to front window washer motor (3). The front wiper and washer switch will return to the OFF position when released.
The front wiper and washer switch has two wiper speed positions (low speed/high speed). When the front wiper and washer switch is rotated to the FIRST or SECOND speed position, 24 volt power is supplied to front window wiper motor (5).
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| Illustration 5 | g00997224 |
Rear view inside cab (6) Rear window wiper motor | |
The rear window wiper motor operates separately to the front window wiper motor. When the top half of the wiper and washer switch (1) is pushed down, 24 volt power is supplied to rear window wiper motor (6). The rear window wiper motor has one speed.
When the top half of the rear window wiper and washer switch is held down, 24 volt power is supplied to the rear window wiper motor. The rear window washer motor (4) will operate at the same time as the rear window wiper motor.