how to fix the a/c selector switch of 92 honda civic? on 1992 Honda Civic

from selector 1-4 only number four is working now.

Asked by for the 1992 Honda Civic
1 answer 1 comment
blower resistor is about 70.
labor is about 1 hour.

Thank you. my first time to deal with these problem.the blower resistor located beside the blower motor?