HEATER BLOWER MOTOR

1997 Nissan Sentra

Tiny

efdjttulk

December, 8, 2007 AT 3:45 AM

Heater problem
1997 Nissan Sentra 4 cyl Front Wheel Drive Automatic 100000 miles

My daughters 1997 Sentra has a problem with the heater blower motor. THis blower has 4 levels of intensity and it only works on the highest setting of 4. THe fan does not operate on the lower three settings. I am assuming that the blower either works or it does not work, which means it is getting power.
Question is would it be the blower motor OR the switch on the dash that turns it on that needs to be addressed.


If it is the switch, how do you access this item. DO you have to drop the whole dash to get at it?

Please advise.

THank you

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1 Answer

Tiny

rasmataz

December, 8, 2007 AT 2:02 PM

Welcome to 2carpros

Get a repair manual -What's causing your problem is the fan resistor it has to go thru it to control the other speed function of the blower motor. You have an open resistor within the pack. Also see below


http://www.2carpros.com/forum/automotive_pictures/12900_resistor_4.jpg

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