Here is a link to explain using a ferrite ring for getting rid of interference. Ferrite Ring source/info. You might need to wrap your depth finder power wire in one or transducer wire even.
Went for a second test run today and took my trolling motor this time. When I turn it on I get interference right away. My boat is is small and it's all connected to the same battery. I moved the transducer wire as far away from the trolling motor and and couldn't get it to clear up. Below is a picture of my setup and a picture of the interference on the sonar you can see where I turn the motor on and then turned it off. How can I fix this?.
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Here is a link to explain using a ferrite ring for getting rid of interference. Ferrite Ring source/info. You might need to wrap your depth finder power wire in one or transducer wire even.
PROUD MEMBER OF TEAM GEEZERauthorized by: Billbob and "G"
Is this supposed to help interference? I didn't know what it was and I haven't put it on there.
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Yes, this is a Ferrite ring clamp on model. Put it on and it might clear up your interference. Read the link to learn also. Be sure to give the cable a wrap thru it.
PROUD MEMBER OF TEAM GEEZERauthorized by: Billbob and "G"
I had the same issue only mine was worse than what you have in the picture. I got mine cleared up completely but it was a chore. I did the following steps, it got a little better each time;
- Made sure my transduce cable wasn't coiled up and ran a twisted pair power cable to the garmin unit. ( helped slightly)
- Added a ferite coil to the the trolling motor power cable and the garmin power cable. ( again helped a little)
- Added a ground wire to the trolling motor skag. ( Helped)
- Disconnected my 3 bank charger from the starting battery ( interference gone)
I bet if you use a different power source for you Garmin that your problem goes away. Your interference doesnt look that bad
I'm going to try using the battery from my portable ice fishing unit.
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1. I ran separate power and ground from my starting battery- helped very little
2. I ran from my ground wire to unit an added ground and ran to skeg on trolling motor driller and chipped paint around the hole-helped some.
But still have interference. Might try taking 3rd bank from charger off starting battery next time out!