[C320-list] M30 Floating Gnd on Temp Sender?

[Dave Chase]

I'm still working out the engine connections. Are there separate senders 
for temp gauge and overtemp indicator?

Dave Chase
1994 C320 #97 "Indigo"
Winthrop, MA


On 6/17/19 3:00 PM, Christian wrote:
> Sorry, just noticed you said "water temp gauge".  The link I sent is for
> your high temp light/alarm.
> -Christian
>
> On Mon, Jun 17, 2019 at 1:59 PM Christian <ccaper at gmail.com> wrote:
>
>> Dave,
>>
>> 1994 #138 here.  I replaced my high temp switch 2 years ago.
>>
>> I used this one:
>>
>> https://www.westmarine.com/buy/sierra--temperature-sender-used-with-light--10530822
>>
>> My original was the 3 terminals, where only 2 where used.  One of the
>> terminals was a ground wire that ran to the engine block.
>>
>> The replacement I used, the body of the switch grounds into the the base
>> it screws into, so you can remove the ground to engine wire.
>>
>> When I did my search, if I remember correct, I saw switches that closed at
>> 170, 180, and 200.  My Perkins tends to run normal right at 183F.  So I
>> didn't want false positives, so I went with 200, which is the switch in the
>> link.
>>
>> Christian Caperton
>> 1994 C320 #138 "Canuck"
>> Monroe Harbor, Chicago, IL
>>
>