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Connecting VHF to GPS: Wire Guide

Choose your GPS unit's manufacturer below.

If you have any questions, or need assistance with connecting your VHF radio to your GPS unit, or with the connection or installation of your electrical equipment, please contact us at info@seasmartvhf.com.

NMEA 0183 connection rules:

  •  Positive In (In +) connects to Positive Out (Out +)
  •  Negative In (In –) connects to Negative Out (Out – or Gnd)
  •  Positive Out (Out+) connects to Positive In (In +)
  •  Negative Out (Out -) connects to Negative In (In – or Gnd)
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