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Water Temperature Warning Light


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#1 evil ewok

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Posted 25 May 2013 - 09:53 AM

I want to put a water temp warning light in my switch pod so it's more noticeable if i ever finish and get to a track day and something goes wrong.

 

Just wondering what the high temp actually is on a normal temp gauge? I found this kit that comes with sensor and wiring to fit straight in but they only seem to be available for 110o C and wasn't sure if this was too high?

http://www.demon-twe...re-gagelite-kit

 

If so is it possible to adjust this with a resistor or something (sorry i'm pretty rubbish with electrics/electronics) or is there another way to do it?

 

They also do the  same for oil temp which is 270o F but if i remember rightly best temp is around 230o F?

 

Any help is greatly appreciated. I don't want to get my switch pod laser cut for all the warning lights then find i can't get it to work.

 

Cheers



#2 KernowCooper

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Posted 25 May 2013 - 09:57 AM

Thermostat on the later cars open at 88c so 110c is pretty hot, lot of trouble when you have a gauge which shows you the temp, not sure how you would get the kit to read a different temp?



#3 evil ewok

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Posted 25 May 2013 - 10:08 AM

forgot to say i'll be using a digi dash so won't have the original gauges. it has a water over temp light but it's tiny and not very noticeable, same for its oil temp and pressure warning lights. it doesn't have any way of using the warning light output for an external one though so looking for alternative ways.

 

seen some pics of miglias with these warning lights on the switch pod which is what made me start looking into it



#4 Ethel

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Posted 25 May 2013 - 10:32 AM

It will boil over at about 120c, anything much above the thermostat operating temperature means there's more heat going in than there is going out. 110c would be a fair indication to take major avoidance measures, earlier warning would be more manageable.

 

It would be an ideal project for a micro processor like Arduino, how's your inner geek?






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