furuno 1971 f and tm 185 interference problem

[nwobhm]

Hi. Im usuing furuno 1971 f and airmar tm185 m. My device is making interfarance while idling while the engine is running. Im using Suzuki 60 hp.
the battery of the device is separate.

 

[Johnny Electron]

Yes, that is noise. Seems like you already isolated it to the source. I recommend talking to Suzuki on any known noise issues so if it is a production issue they likely have a solution for you. Otherwise, it seems you would need the Suzuki dealer find why it is putting off so much noise.