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71 ELECTRICAL SYSTEM
SEALED BEAM UNIT
REPLACEMENT
1. Remove headlamp lens rim by taking out the
screw at bottom of rim.
FIGURE 9
2. Loosen, but do not remove, the three screws
(B) and (D), Figure 9, holding the retainer. Do
not disturb the aiming screws (A) and (C) at
the top and left side of the unit.
FIGURE 10
3. Remove retainer by rotating counter clockwise,
allowing the Sealed Beam Unit to be removed.
4. Remove the reflector plug from the unit as
shown in Figure 10.
5. Install new unit by reversing above operation.
CIRCUIT BREAKERS & FUSES
The main circuit breaker is incorporated in the
car headlight switch and is connected to an auxil-
iary circuit breaker by a jumper wire.
The auxiliary circuit breaker is located on the
steering column brace under the dash panel.
NOTE: When accessory items such as clocks or
cigar lighters are installed, they must be connected
as shown in the wiring diagram.
Fuses are used for the protection of optional
equipment as follows:
Electric Clock - Three ampere fuse in a fuse case at
back of clock.
Weather Control - Fourteen ampere fuse in a fuse
case on left side of weather
control housing.
Radio - Fourteen ampere fuse incorporated in the
radio "A" lead wire.
Direction Indicator - Ten ampere fuse attached to
the flasher unit lead wire.
Overdrive Circuit - Thirty ampere fuse on Over-
drive relay.
HORN
The horn is operated by a magnetic type motor
which consists of a field, armature and a set of
breaker points which interrupt the flow of current
in the coil.
The armature is securely attached to the diaphragm.
Interruption of the current in the coil causes the
diaphragm to vibrate which produces the sound.
The twin horns are constructed in such a man-
ner as to produce different tone frequencies and
the frequencies of each horn re synchronized to
produce a harmonious tone when the horns are
sounded together.
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