93SV noise

**Machine** · 02-11-2017, 08:35 AM

Originally Posted by TeeDee

I may eventually get there, too. Agree, 2d is where it shows up--not on dv or sv. 2d is where the freq's are close together I suppose, same range etc. Dv and Sv being higher.

What kind of TM?

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**TeeDee** · 02-11-2017, 06:17 PM

MGx3 12v 55lb variable speed bow mount. Have not tried it on continous/constant--only on intermittent. Never noticed it in shallow water (>8')even tho it was there. It was just a little snow in the bottom part of the screen that I probably thought was thermo or something. When I moved to a deeper lake it became evident. Once deeper than 16' it is very noticeable. Spikes when turning on, noise in bottom portion of screen while on--but not bad. Spikes (noticeable after 8') were what got my attention.. I am in a jon boat and have thought of an alternate method of deploying the ducer just to get it away from the TM. Not my first choice. What I have seen work before is not helping this time.

**crappie wrangler** · 02-11-2017, 08:33 PM

When you mentioned that you grounded the switch to the battery just out of curiosity ... if the transducer is mounted to the trolling motor with a metal clamp have you run a ground wire from the metal clamp to the negative post of a battery not used by the trolling motor. If the transducer is not mounted with a metal clamp one could be placed there just for grounding purposes. I understand that the interference is coming from something internal to the foot control but if the problem still persist less than $10.00 could possibly be a solution.

Thread: 93SV noise

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