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4
Required Tools and Materials
The following tools and materials are needed to properly install the motorcycle radio antennas:
• 10-inch adjustable wrench, or 1-inch open-end wrench
• 15/16-inch open-end wrench
• Antenna hole-cutting tool, Motorola RPX-4378A
• Center punch
• Crimping tool 66-80388A26
• Hammer
• Large hand drill
• Pliers
• Round file
• Side cutters
• Soldering station & solder
Installation Procedure
The installation procedure that follows is for a typical passenger car. The procedure may vary slightly
with the type of vehicle on which the antenna is to be installed. Generally, however, the procedure
outlined below is universal in nature.
Antenna Installation
To install an antenna, do the following:
C a u t i o n
1. Select a location for the antenna as near the center of the roof as possible. Probe the
headlining with your fingers to make sure that all points of obstruction are avoided.
2. Drill a pilot hole at selected location, and then drill a 3/4-inch hole from the top (outside the
vehicle only) with the Motorola 01-80382A25 holecutting saw (or equivalent) until it bottoms.
3. Clean the roof metal in a neat circle to ensure good contact with the bushing assembly and its
locking nut.
NOTE: In installations involving a double roof with no dome light, a second 3/4-inch hole must
4. Drill the second 3/4-inch hole if required. Be very careful, though, to prevent puncturing the
headlining.
Observe the safety precautions given in this instruction
manual. Do not adjust the whip length of any of the antennas,
except the HAD4022A as previously described. These
antennas have wideband performance and do not require any
tuning.
be drilled. However, a deepwell type of 3/4-inch hole saw (with pilot drill bit) must be
used to cut the second (or bottom) roof section. This provides access to the area where
the coaxial cable is routed between the second roof section and the headlining.
Required Tools and Materials
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