[C320-list] knot meter

[Jeff Church]

Ed,

My friend got his replacement from Gemeco. It was a newer style 
transducer with a sleeve that adapted it to the existing thru-hull fitting.

JeffC

Ed Edwards wrote:
> Does anyone have experience replacing the paddle transducer on an Autohelm
> ST 50 Plus Speed package?  My knot meter failed this past winter, all
> functions appear to be working except it won't register speed and associated
> info.  When I had the bottom painted last month the knot meter worked when I
> used a leaf blower to rotate the paddle wheel.  It didn't work when I went
> back in the water.  According to Raymarine's web site, this is symptomatic
> of water in the unit.  Autohelm is no more, Raymarine doesn't deal with
> transducers.  They suggested that I contact Gemeco.com, a transducer
> wholesaler.  Gemeco's website is for wholesaler.  I've got an e-mail into
> them but I think it is a deadend.
>
> Raymarines troublshooting site says that the ST50 transducer can be replaced
> with an ST60 transducer.  It requires a junction box.  The parts numbers
> they gave were obsolete.
>
> I'm pretty sure the ST60 transducer is available, the big question is- *Can
> I get a splice kit to connect the ST60 to my existing ST50  wiring?*  There
> are already so many wires and so much caulking in the pedestal tubing that
> nothing else is going in or coming out.
>
>