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This switch turns on an electric element inside the heater box so that you can warm your toes and defog the windscreen while the coolant temperature is rising in the engine. The idle speed does increase while the coolant is cold to compensate for the 25 amps or so that the element draws from the battery. As the coolant temp increases the element will switch off and the idle speed will go back to normal.
The thermostat opens and closes to keep the engine running at the optimum temperature range. A properly operating thermostat also keep the engine coolant hat enough to heat the passenger compartment in wintertime.
I believe the PWR HEAT button is an electronic choke which you use on cold mornings to help get the engine up to running temperature. Turn it off when you are driving in warm weather to low your RPMs and save fuel. I have one of these on my Japanese imported Toyota Estima with 2.4 Ltr petrol engine.
If the heat gets excessive the thermistor button will pop and switch the power off.
Highly doubtful because the circuit has to be there to power up the heater in the mirror.
Starter button ? - you must have a very strange heater, they normally heat automatically when power is on, and I have fitted hundreds and NEVER seen a 'starter button'
If the car is doing this whilst cold, check to see of the Power Heat button is on. This is located down by the instrument panel light adjustment switch and headlight adjustment selector. The Power Heat lifts the revs up until the engine is warm. Works good for cold winters mornings. You will find if this is causing your high revs when idle, they will stop when the engine is warm. If you do not have the Power Heat option, it may be a sticky cable or the idle adjustor is set to high.
it should be above your climate contol area. you will see a button between the 'rear heat' and the other switch. press that button in, and remove the cap on top and you will find your main fuse box.
what is the heat sensor for a 2000 toyota tundra 4.7 lite truck.
geothermal power allows heat pumps to heat & cool buildings.
That depends how much power each of the heat sources have. Add the power of the two heat sources, and compare with the power of the strong one.
In a thermal power station, heat is turned into electrical power