Icom M302 VHF Radio Logo

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Posted on Aug 12, 2007

Icom vhf radio

I have a twin engine outboard boat and when i have my engine off i don't have any issues with my vhf. Once i turn either engine on i get a hum in my vhf speaker. It does not matter what engine is on. Do i have a bad filter in my vhf. I also don't get the hum in my stereo system pulling off the same power source as the vhf. Any ideas?

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  • Contributor 21 Answers
  • Posted on Dec 01, 2008
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I have the same unit. i get interferance from my depth finder wire touching the antena wire off the back of the radio. make sure that no wires are touching the antena wire.

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