Question about Nissan Sentra

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Turned heater on and now it won't shut off. Went to three auto parts and they all say it is something different.

I removed the blower motor fuses to stop the heat from blowing as I live in the desert and our weather is still hot.

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  • 57 Answers

Sounds like the heater control switch to me, would help if we knew what type of vehicle it was though.

Posted on Nov 06, 2012

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Posted on Jan 02, 2017

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txkjun
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SOURCE: buick Century 2001 blower motor

Your blower resistor is bad. It is mounted under the passenger side dash behind and to the left of the blower motor. These things burn out short out causing the fan to run constantly and then they just fry and shut down the fan. It is a hard little ****** to get to and you need 1/4 inch ratchet, 6 inch extension a 1/4 inch universal joint and a 5 mm shallow socket and lots of patients. LOL

Posted on Dec 26, 2008

  • 1 Answer

SOURCE: 1997 dodge intrepid heater/ac fuse keeps blowing

I have a 96 Intrepid, and none of the signal lights work. I tried replacing the fuse, but this did not remedy the problem. Could this be a loose connection?

Posted on Jul 06, 2009

  • 432 Answers

SOURCE: 2004 silverado for some reason the heater/ac

Well had the same issue on my duel climate controll 04 2500HD but changing the heater control solved the different temp.The only other thing would be your mixer door motor.There are two,one for DR side is probibly stuck..As far as the blower motor.The resister should have taken care of that.Sounds like you may have another bad one.May want to take a volt meter to the resister plug in and run you different fan speed just to make sure that you get voltage to the different conecters.

Posted on Jan 18, 2010

  • 9 Answers

SOURCE: 1997 Jeep Cherokee - Blower motor stopped working.

Check the relevant fuses with a test-light or VOM, don't just "eyeball" them as they often break at the very end. Then check the heater/A/C relays on the electrical panel. The heat/cool is controlled by a stepper motor which opens and closes the air "mixing box", but it won't work with a bad relay. If all of those check-out, you need a OBDII code reader to check the "engine" computer, as it controls the electrical modules. Also check the fusable links going to the electrical panel, and the cable from the battery to the panel. The cable may be corroded in-two and you'll never see it, so no juice to the panel, no juice to the heat/AC system. (I had a Dakota do that.) PS: Double check the grounds that they aren't corroded. Learned about that from a BSA Gold Star production racer.....

Posted on Mar 27, 2010

Testimonial: "Many thanks, Walker. Tt was the fuse in the kick panel. Looked ok, but NO continuity. I used the 10A spare and everything worked. Thanks!"

  • 86 Answers

SOURCE: Heater blower resistor gets very hot

its got a bank of resistors and it will get hot. The fuse blowing out may just be a fluke thing. Replace the fuse (with the proper size)and run it normally, The fuse is in the system and is designed to burn out long before any real damage can occur,

Posted on Mar 29, 2010

Testimonial: "Thanks stevemcgraw1. I am at ease now. Going to re-check the value of the fuse with the manual and check the draw from the blower. Cheers!"

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