Hello,
I am checking the cooling fan today. If I understand this corectly, fan should start when certain temperature is reached.
I have the fan wired like this.
[url=https://flic.kr/p/226NQZj]
I believe it should start automatically. I didn't install any manual switch.
My sensor (two wires) looks like this.
[url=https://flic.kr/p/23LUZqY]
I could observe the gauge getting up 105 Celsius (so I stopped there and asking now
No fan spinning.