[C320-list] knot meter
Jeff Church
jc387 at att.net
Tue Apr 7 16:58:29 PDT 2009
Ed,
I installed a transducer last year for a friend who has an older C36.
The transducer was a discontinued model, probably ST50. I'll try to find
out where he got it. Splicing the new unit into the existing wires was
very easy.
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.
>
>
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