I have a 1990 honda civic. The heater/defroster fan has 4 speeds. The
first 2 do not work and the last 2 work intermitantly.n Sometimes when I
come to a stop or just slow down or let up on the gas the fan motor will
speed up. Also, it seems the hotter outside it gets the less the fan
works. Is this a motor replacement problem? If so, is there a link
somewhere that I can use to learn how to replace/repair it? Thanks,
Bill