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Heater/fan only works intermittently

Tiny
EMBRACEINTEGRITY
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  • 2009 TOYOTA 4RUNNER
  • V6
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
Hello. Thanks in advance for your help.

I’m having issues with my HVAC. Sometimes it works, sometimes it doesn’t. That said, oftentimes if I hit a speed bump it will start working again. Maybe something loose? I do not know.
Please help
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Thursday, February 27th, 2020 AT 3:50 PM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

It sounds like a bad connection at the blower or the resistor itself.

The blower motor s behind the glove box. I would check the connector at the blower motor.

I attached some pictures and a wiring diagram.

Roy
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Thursday, February 27th, 2020 AT 4:15 PM
Tiny
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You rock! Thanks so much! :)
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Thursday, February 27th, 2020 AT 4:28 PM
Tiny
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You are welcome.

Always glad to help.

Feel free to leave a review for us. We appreciate all the positive reviews we can get.

https://www.google.com/search?q=2carpros&gs_ivs=1#lrd=0x80dcd47364be5d0d:0xba091aa4209f4497,1,,,&tts=0

https://www.sitejabber.com/reviews/2carpros.com

Roy
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Thursday, February 27th, 2020 AT 4:31 PM
Tiny
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Done. I'm thrilled to have discovered your site; it's such a great resource!
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Thursday, February 27th, 2020 AT 4:36 PM
Tiny
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Thank you for your kind words.

Roy
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Thursday, February 27th, 2020 AT 4:49 PM
Tiny
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My pleasure, thank you.

Jessica
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Thursday, February 27th, 2020 AT 4:54 PM
Tiny
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Anytime Jessica.

Roy
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Thursday, February 27th, 2020 AT 4:56 PM
Tiny
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Okay, I finally got under the dash and unplugged the resistor. It doesn't appear burnt, but I'm unsure as to how it's supposed to look. Haha. Should I go ahead and replace it?
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Tuesday, March 3rd, 2020 AT 1:22 PM
Tiny
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Did you check for voltage to the resistor?

Roy
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Tuesday, March 3rd, 2020 AT 1:31 PM

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