Windshield Wiper; Horn; Arrangement Of Windshield Wiper - Fiat 850 Sedan 1968 Shop Manual

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ELECTRICAL
241
Removal and Installation.
Proceed as follows:
pry off horn button;
withdraw steering wheel;
disconnect wires;
loosen the clamp which secures to the switch to
the steering column and slide off the whole switch
as shown in fig. 374.
To
install
the switch just reverse the steps for
removal.
WINDSHIELD WIPER
Consists of a motor which drives wiper alms
back and forth through a linkage.
The unit is fitted with an automatic parking device
of wiper arms for best vision of driver through
the windshield.
The wiper motor is controlled through a toggle
switch (2, fig. 370).
Trouble Diagnosis.
If
the wiper operates incorrectly or
it
does not
at all, the origin may be located as follows:
- improper installation on body;
- irregularities of motor
unit.
In the first instance, check for distortion of wiper
mounting bracket, linkake or pivots.
I!
necessary. revise the unit installation on body.
As for the second case, check the motor on
bench against data tabulated on page 238 and renew
the unit if some specifications are not met.
Removal and Installation.
Take down the windshield wiper assembly as
follows:
- remove instrument cluster;
- remove lock rings of control switches and
ornamental plate;
- pull
instrument panel
lining.
overcoming
the force of fasteners.
Thus the wiper assembly can be easily removed
through the opening in instrument panel (fig. 375).
For installation reverse removal procedure.
HORN
The horn circuit includes:
horn;
control button;
ground, made up by body shell.
Fig. 374. Removing direction signal and outer lighting selector
switch.
Trouble Diagnosis.
Failure of the horn to operate may be due to:
- horn button unserviceable or stuck;
- horn damaged.
Check connections, cables and button contact
ring for full efficiency and no sign of oxidation.
In
case the trouble is due to button mechanism,
renew it.
Any faults in the horn involve replacement of
horn assembly.
To adjust horn sound just work on adjusting screw
(2, fig. 376), with horn on car.
Fig. 375 • Arrangement of windshield wiper.
1. Instrument panel .• 2. Wiper motor.

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850 coupe 1968850 roadster 1968

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