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marksullivan

interferance

7 posts in this topic

the flasher on my bow mount works fine when not under power. When the troller is running I get interferance. Never had the problem untill I put in another lcx 15 mt on the back. Could it be the problem or is there some other wiring problem to look for. thanks

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It sounds like it could be the problem; what frequency is your other depth finder running at, or, what model & brand is it?

Also, where do you get power for your depth finder in the bow? If it's from the trolling motor batteries I'd try running it off a vexilar battery - if that takes care of your problems you should hook it up to your starting battery.

marine_man

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try twisting you power wires. I am a ham radio operator and I know i have heard to twist your power wires that way you reduce power noise on you radio. it could also work for a graph too. just something to try.

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heres more information. It does it with none of the back finders running. With everthing off but the front locator and trolling motor. finder workes great until I turn the motor on.

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as noted above you could try twisting the power and ground wires together to limit the amount of RF that is being produced. You could also buy a filter for the wire to keep the noise out. Several options, are out there,

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Or you could rewire your locator to get power from your starting battery and not the trolling motor battery. That should take care of it as well.

marine_man

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