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Installing the External GNSS Antenna

CAUTION

To avoid possible personal injury, always wear safety goggles, ear protection and a dust mask when drilling, cutting or sanding.

NOTICE

When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vehicle.

This antenna can be installed to provide a more accurate position from the GPS signal for your navigation device. This antenna uses a BNC connector to connect to the dock.

  1. Using the included mounting template, mark the three pilot-hole locations Call-out number one and trace the cable hole in the centre of the template.

    GNSS antenna with callouts
  2. Drill the three 3.2 mm (1/8 in.) pilot holes.
  3. Use a 25 mm (1 in.) hole saw to cut the cable hole in the centre.
  4. Place the surface-mount bracket Call-out number two on the mounting surface, aligning the screw holes.
  5. Use the included M4 screws Call-out number three to secure the surface-mount bracket to the mounting surface.
  6. Place the large gasket Call-out number four on top of the surface-mount bracket.
  7. Route the antenna cable through the 25 mm (1 in.) hole and connect it to the antenna Call-out number five.
  8. Place the antenna on the surface-mount bracket and twist it clockwise to lock it in place.
  9. Secure the antenna to the mounting bracket with the included M3 set screws Call-out number six.
  10. Route the cable into the vehicle and away from sources of electronic interference.
  11. Connect the cable to GNSS on the dock.
GUID-B3443908-7800-44A1-BE1E-0D780C075CBA v3
August 2023
© 2022 Garmin Ltd.