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Well Considering your all over it.
Manaul - will have one sensor to activate a approx 94-96 degrees Centegrate
on a automatic you will have 2 - one for a 95 and one for a 103-105 degree 2nd speed
Both are always loacted on the outlet side of the thermostat housing.
Depending on desgin usually it's normally closed circuit on a mazda meaning if it opens or shorts it leaves the fans on permenit - but mazda did change this on many models.
On the auto's it's normally closed V normally open.
both should be single wire type earth to the car via body.
The thing is if your car does not overheat - you may no be gettign hot enough to need it to come one. another version of a failed thermostat
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