I have a 1992 nissan sentra that the heater and ac control switch only blows on number 4. Do you think it's the switch or relay?
Dec 12, 2010 at 3:40 AM
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FIXITMR
AUTOMOTIVE REPAIR CONTRIBUTOR
9,990 POSTS
i think it is the blower motor resistor. assuming #4 is high?
Dec 12, 2010 at 6:24 AM
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MHPAUTOS
AUTOMOTIVE REPAIR CONTRIBUTOR
31,937 POSTS
It is located on the blower motor housing under the r/H side of the dash.