97 geo metro blower fan only worked on high now it quit all together?
It is your blower motor regulator, the contacts have worn out with age which is why the setting you most like used the least was the last one working, it is a cheap replacement if you can do it yourself. But you will have to get behind the dash in most cases.
Is there a sensor on the blower of a 1992 metro have replaced switch on dash but still only work on high speeds?
Either than switch, the resistor, or the relay is bad. On my 1999 Buick Century, the blower motor quit working on the three lower speeds, and then went out completely. When the resistor goes bad, the lower speeds quit working. My blower motor was squealing, also. After I replaced the blower motor and the resistor, I tested it and found the blower worked great on every speed but high. It turned out that there is…