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Car Audio - Car Phone Installation
Glass mount cellular antennas consist on two parts: The
antenna itself, and the receiver part (which goes inside the vehicle). Both parts
are held in place by double stick tape, but the outside part of the antenna is sealed-off
with silicone to avoid dirt from getting under the antenna.
The most popular location for phone antennas is on the center top
part of the rear window (remember that antenna has to be as high as possible). On
some sport-utilities and hatchbacks this location is not feasible, so try rear windows, or
top side of windshield.
When deciding a location make sure that there are no metal strips
(defroster) or other obstructions such as stickers or glass tinting film (cut off if
necessary). If there is no alternative, the middle of the antenna base should be
located between two defroster lines. Most antennas will not work very good in
metallic glass, i.e. Fords with front window defroster.
Before installing anything, the window should be thoroughly cleaned
(Windex or something similar will do). It is better to start off with the inside
part of the antenna. First, screw the wire to the base. Peel off tape and
align base, making sure the wire can be hidden. Once you stick the base, it will not
come off very easily! Install the outside part of the antenna: Apply a bit of
silicon all around the bottom edges, peel off tape, line up, stick the base to the glass.
If possible, wait a couple hours for the silicone to set, and then cut off excess
with a razor blade for a neat finish. Double stick tape adheres a lot better at
Phone Main Unit
Phone boxes can be located pretty much anywhere. Most common
locations are: Under front, rear seats, under the rear deck, or hidden in the trunk.
Install in an area where it's not going to get wet (particularly Jeeps and
convertibles). Make sure antenna and microphone wires will reach.
Some phones have a speaker that plugs either to the handset or the
phone itself. The speaker can be mounted hidden somewhere under the dash. The
microphone should be installed as far away to the handset as possible to prevent feedback,
but still close to the driver. The most common location is to run the wire under the
"A" pillar on the driver's side, and locate the mike on left front part of the
If you bother to read installation instructions that come with the
phones, you'll see that they say to run the hot and ground all the way up to the battery.
All this hassle is not really necessary. The ground could be connected to a
metal part of the car close to the phone, and the hot and ignition can be connected either
to the fuse box, or behind the radio. If you are still going to the battery for
power, don't forget to add a fuse as close as possible to the battery.
To hook up horn alert or radio mute, you might need to add relays.
This wire is usually a negative trigger. Check manuals to see what type of
output the phone puts out and what type of input the head unit or other accessories
Typical location for handsets or phone cradles is the center
console, or transmission hump in the middle of the car.
First, put together the mounting bracket and decide the ideal
location. Before you drill any holes, make sure the handset is not going to block
seats sliding back and forth, cup holders, glove boxes, etc. Mark where you want to
drill the holes and check that there are no wires or parts that might get damaged when
drilling. In some cases you might have to build custom mounts out of wood or other
materials for the phones.