[C320-list] Intermittent Tachometer Operation

[Ian Neale]

Yes, I think if the panels bring the voltage too high 14.5 v they alternator regulator shuts the out lout off and there is no sense voltage to drive the tach. Is this correct?

Thanks, Ian. 

Sent from. my iPhone

> On 2/10/2023, at 6:39 PM, Albert Kitten via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> Have you got solar panels? If batteries are full on,a sunny day? I'll
> explain if necessary.
> :)
> 
>> On Mon, 2 Oct 2023, 4:47 am Ian Neale via C320-list, <
>> c320-list at lists.catalina320.com> wrote:
>> 
>> Hi,
>> 
>> I have an 07 320 with a Yanmar 3YM30 engine.
>> 
>> The tachometer is intermittent in operation where at times the needle goes
>> back to zero while the engine is running.
>> 
>> I think the tachometer runs off the alternator, but not sure. Wiggling
>> wires on the back of the alternator doesn’t seem to fix the problem.
>> 
>> I have also cleaned all connections in the back of the tachometer.
>> 
>> Any suggestions as to what could be the problem.
>> 
>> Thanks, Ian Neale.
>> 
>> Solutions.
>> 
>> Sent from. my iPhone
>>