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Lowrance Depth Finder Issues
https://www.smwebhead.com/phpBB3/viewtopic.php?f=20&t=8178		 Page 1 of 1
Author:  Technologic80 [ Sun Aug 07, 2011 2:09 pm ]
Post subject:  Lowrance Depth Finder Issues
Ive searched the site and am glad to see Im not alone!!

My 91 Sundowner has an in-dash Lowrance 3200 Depthfinder. Its been acting up big time, just started last month. Wont read in shallow (when I need it most!) it will just blink the last depth then it will say the water is 700+ deep (the water in lake st clair at the most is 80 feet in the channels). Im thinking the transducer went bad. The transducer is in the bilge - however, Im not sure if its thru-hull or in-hull. The boat is in the water, and its not easy for me to haul out. I dont have a trailer, so I have to borrow one whenever I need to haul out.

There is a threaded lock ring around the transducer, where it meets the bilge floor. Im afraid to loosen it just in case it is a thru-hull, I do not want to breach the seal. Does anybody know if in 1991 four winns placed the transducer thru hull, or epoxied it in place?
Author:  M3eater [ Sun Aug 07, 2011 2:12 pm ]
Post subject:  Re: Lowrance Depth Finder Issues
You likely have a thru-hull transducer. Our '97 model was through hull as is the '03. If you can go for a swim, around the boat, just look for the transducer under the hull. If it's through-hull, you'll see it.
Author:  Technologic80 [ Sun Aug 07, 2011 2:21 pm ]
Post subject:  Re: Lowrance Depth Finder Issues
M3eater wrote:
You likely have a thru-hull transducer. Our '97 model was through hull as is the '03. If you can go for a swim, around the boat, just look for the transducer under the hull. If it's through-hull, you'll see it.


Crap. I asked a friend to swim under there last Friday to clean it off, but he said he never found one and the bottom was already clean. I bet its just hard to see.

I think it might just be easier to buy the Garmin transducer ($60) that will connect right up to my Garmin 178c chartplotter, and mount it by epoxying it in the bilge.
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