Careful about that assumption. According to the Yanmar rep. that I spoke to at the Annapolis Sailboat Show, that switch only tests the light and buzzer by supplying power to them. It DOES NOT check the entire circuit to the sensor/switch. Bill MYSTY Landfall 39 In a message dated 10/30/2013 2:06:05 P.M. Eastern Daylight Time, [email protected] writes:
Yup. That's what I though. R On Oct 30, 2013, at 2:50 PM, Jim Watts <[email protected]_ (mailto:[email protected]) > wrote: OP said the buzzer worked with the test switch...so far we are assuming he didn't just imagine the whole thing. On 30 October 2013 10:46, Rich Knowles <[email protected]_ (mailto:[email protected]) > wrote: True statement. I suggested earlier that if it does not sound when the wire is grounded the problem is elsewhere. A resistance/continuity check across the sensor will quickly tell if it's faulty. No oil pressure should yield a direct short. Rich On Oct 30, 2013, at 14:36, Bob Dryer <[email protected]_ (mailto:bob070 [email protected]) > wrote: Message: 4 Date: Wed, 30 Oct 2013 10:47:08 -0300 From: Rich Knowles <[email protected]_ (mailto:[email protected]) > To: "[email protected]_ (mailto:[email protected]) " <[email protected]_ (mailto:[email protected]) > Subject: Re: Stus-List I need a little help with a sender. Message-ID: <[email protected]_ (mailto:[email protected]) > Content-Type: text/plain; charset=utf-8 Yes. The sensor connects the wire to ground when there is no oil pressure and that sounds the buzzer. If the sensor is defective, it will not connect the wire to ground and the buzzer will not sound. So... If you connect the wire to ground, you are doing what the sensor should do, and the buzzer will sound. If the buzzer does then sound, the sensor is faulty. Rich Wait a sec. If the buzzer (or a connecting wire) is defective the buzzer will not sound PERIOD. Bob _______________________________________________ This List is provided by the C&C Photo Album _http://www.cncphotoalbum.com_ (http://www.cncphotoalbum.com/) [email protected]_ (mailto:[email protected]) _______________________________________________ This List is provided by the C&C Photo Album _http://www.cncphotoalbum.com_ (http://www.cncphotoalbum.com/) [email protected]_ (mailto:[email protected]) -- Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC _______________________________________________ This List is provided by the C&C Photo Album _http://www.cncphotoalbum.com_ (http://www.cncphotoalbum.com/) [email protected] _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com [email protected]
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