Panasonic CY-VHD9401N Installation Instructions Manual page 8

Installation
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Attach the metal plate (option) and the base plate to the ceiling
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reinforcement crosspieces.
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Nut (option) a 4
Screw (option) a 4
Ceiling reinforcement crosspieces
Assembled
plates
Tool such as a power drill
Nut (option) a 6
4
Screw (option) a 6
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CY-VHD9401N
1
Carefully check the position of the ceiling
reinforcement crosspieces and determine where
the main unit will be installed.
2
Decide the position for attaching the base
plate on the metal plate (option). Attach it
by screwing in the screws (option) and nuts
(option) in 4 positions.
Note:
≥ Use at least 2 screws (option) on each side (a
total of at least 4), and be absolutely sure that
the screws are not loose after fastening.
3
Use an indelible marker to mark 4 positions on
the ceiling reinforcement crosspieces where
you will drill holes to attach the assembled
plates.
4
Use the tool such as a power drill to drill holes
in the ceiling reinforcement crosspieces to meet
the mounting holes on the assembled plates.
Caution:
≥ Before drilling the holes, check exactly
where the unit and bracket are to be
installed. Take care not to injure your
fi ngers with the power drill or other tool
you are using. Also take care not to
damage the ceiling panel.
≥ Wear goggles or protective eyewear to
shield your eyes from airborne metal
particles during drilling. Failure to heed
this caution may result in an accident
and/or injury.
5
Affi x the assembled plates to the ceiling
reinforcement crosspieces securely using the
screws and nut (option).
Note:
≥ Use at least 2 screws (option) on each side (a
total of at least 4), and be absolutely sure that
the screws are not loose after fastening.
3
Wire the unit and replace the headliner.
Base plate top
Pullout openings
Reference holes
Headliner
1
Connect the wiring of the dome light and
the unit, and bring the wiring as far as the
installation position.
Note for connecting the dome lights
(page 48s49):
≥ There are two common types of dome
light circuits used, positive or negative
switched.
Positive systems supply voltage to the
interior lights to turn them on, negative
switched systems apply ground to
illuminate the bulbs.
≥ The dome light lead connection varies
depending on the type of vehicle. Consult
a service technician as needed.
≥ Both positive and negative switched
light circuits are supported by this
unit's door switch. If the door switch
is not wired correctly, the dome
light will not come on properly.
The polarity differs from one model to
another so be absolutely sure to ask a
dealer or service technician to wire and
install the unit.
Caution:
≥ Pass the wiring you have brought to the
installation position through the pullout
openings in the base plate. Take care
that the wiring is not pinched or caught
by the top of the base plate.
2
Put the headliner that was removed earlier back
in its original place.
3
In the re-attached headliner, locate the center
position of the base plate which has been
attached to the reinforcement crosspieces,
and cut out the section that will expose the
reference holes to view.
Caution:
≥ As you cut the headliner, take care not
to cut your fi ngers. Also take care not to
damage any other areas of the headliner.
Failure to heed this caution may result in
an accident and/or injury.
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