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Thomas Forrester Posted on Mar 19, 2012
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After i change thebrake switch will my fan blower for my heater and ac start working agian

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Reynaldo Andico

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  • Cars & Trucks Master 2,431 Answers
  • Posted on Mar 20, 2012
Reynaldo Andico
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No it won't.The brake switch is for brake light,interlock shift solenoids,transmission TCC controls,and stoping the vehicle, You fan blower has a completely different power supply that is independant from the brake electrical system, For you fan blower to operate its either the fan resistor blower or the fans control switch to the fuse

5 Related Answers

Anonymous

  • 958 Answers
  • Posted on Jul 07, 2008

SOURCE: Blower for AC/Heater stopped working

if you can reach the blower motor, it could be a worn out carbon brush of the blower motor. if they are, buy a set of carbon brush, learn how to replace them and it would be back running in no time. by the way, when you pull out the carbon brush holder, make sure you dont interchange the position. you can put them back wards and what would happen is the rotation will be reversed. either you reversed the carbon brush holder or just simply interchange the wires that are coming to the motor. i hope i was able to help...

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anwar alkhaldi

  • 197 Answers
  • Posted on Mar 31, 2009

SOURCE: How to access ac blower and fan switch, 1999 Volkswagen Beetle?

if its work in only low speed u have to replace the blower motor resstor which located close to the blower
let me know have a good one

Anonymous

  • 1 Answer
  • Posted on Apr 25, 2009

SOURCE: Toyota Corolla AC/heater fan only works intermittently

sell it

Anonymous

  • 62 Answers
  • Posted on Jul 11, 2009

SOURCE: blower not working

Replace the dash controls. A common problem on beetles.

Anonymous

  • 308 Answers
  • Posted on Aug 04, 2009

SOURCE: 1998 BMW 328i heater/AC blower is not running

You have clean the blower unit , may be its dirty then . and then check the blower resistor unit for malfunction.

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I will try to answer and offer you a couple of choices based on 2 different potential problems.

The blower motor resistor is the control for both the heater fan blower and the A/C since they are the same blower motor. It is the boost that you need to feel either heat or A/C through the vents. The part can be traced from the heater blower wires under the hood to a control about the middle of the Firewall. 2 bolts hold it in place with 1 connector wire. But a heater line will likely block access to switching the part. It is often a part that tapping will start it working again.

Another A/C intermittent problem is low Freon. A certain pressure will engage the A/C compressor switch. Since outside air temperature can boost the internal pressure remaining in your A/C system, every time it expands the Freon; your system may work.
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