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What's wrong with my Lowrance depth finder?

Posted on 3/10/14 at 3:51 pm
Posted by Yeti
Member since Nov 2011
825 posts
Posted on 3/10/14 at 3:51 pm
My Lowrance HDS 7 depth finder has been acting up and I can't figure out what the problem is. It works about 10% of the time, but the rest of the time it looks like the pictures below or it doesn't work at all. I've tightened every connection I can think of and messed with the Ping speed and it hasn't helped. Everything on the unit works except sonar. Anybody experienced this before?


Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81736 posts
Posted on 3/10/14 at 3:56 pm to
quote:

I've tightened every connection I can think of
I had an issue with mine not coming on or turning off when I started the engine. I pulled the connections at the rocker switch and scrubbed everything with a wire brush and contact cleaner. Been working great ever since. Also cleaned as best i could the plugs that go into the back of the unit. They looked pretty bad.
Posted by hogdaddy
Krotz Springs
Member since Feb 2010
5153 posts
Posted on 3/10/14 at 4:18 pm to
Here's the link to all the manuals for you unit.
LINK
Posted by farad
St George
Member since Dec 2013
9758 posts
Posted on 3/10/14 at 4:54 pm to
looks like a transducer or the cable/connector for it...could also be where the cable is routed next to something causing interference...
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