control switch

1992 NISSAN SENTRA
200,000 MILES • 4 CYL • FWD • MANUAL
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ROGER94
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  • 1 POST
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
  • ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
i think it is the blower motor resistor. assuming #4 is high?
Dec 12, 2010 at 6:24 AM
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MHPAUTOS
  • ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
It is located on the blower motor housing under the r/H side of the dash.

mark (mhpautos)
Dec 16, 2010 at 12:40 PM
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