Garmin SL-30 Wiring

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Garmin SL-30:

This will connect via serial to the HS34.

  • Garmin 37-pin Pin # 4 to HS34 male pin # 15 (or 14 in dual serial config)
  • Garmin 37-pin Pin # 5 to HS34 male pin # 2 (or 1 in dual serial config)

Question: Would the wiring be the same for an SL-40 as for the SL-30?

Since the SL-40 is only a comm radio, there isn't much for the HS34 to do with it. The only support we have for it is the passing of frequencies from a Garmin X96 handheld to the SL-40. If you wish to do this, only the serial transmit line from the HS34 (pin 15) needs to be hooked to the receive pin on the SL-40 (pin 10). The serial pins on an SL-40 are different from an SL-30.