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6.3.4 Ground/Return Location and Considerations
• Ensure the location chosen is truly to vehicle ground.
• The location chosen should not be in an area that is prone to moisture retention.
• Ensure that the location will protect the terminal from being bumped and allow the connection to
loosen.
• The location must allow a through bolt with a nut and lock washer or be at a factory ground.
• Choose a location that will allow the ground lead to be as short as possible.
6.3.5 Antenna Mounting Considerations
• Choose the antenna location based on the installation instructions provided in this manual and in
consideration of other items installed on the vehicle’s roof.
• There must be at least a 12" separation between the antenna and any other roof-mounted equipment.
• If the antenna being used requires a ground plane, the location chosen must provide an acceptable
ground.
• If mirror mounts are being used, ensure the mirrors are properly installed.
6.3.6 Data, Antenna, and Power Cable Routing Considerations
• Cables should not be routed under vehicle carpeting where the occupant’s feet rest.
• Plan the cable runs to protect the cables from chafing, crushing, moisture, or overheating.
• Routing under the dash should not interfere with, or pass through, the steering column, brake pedal,
clutch pedal, or the accelerator mechanisms.
• Carefully chose the location where the wiring will exit the passenger compartment and enter the
engine compartment.
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