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Old May 30, 2016 | 04:47 PM
  #10 (permalink)  
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onehundred80
Senior Member
Joined: Apr 2006
Posts: 25,432
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From: Ontario
Default Re: Only third brake light working

Originally Posted by dobermann
Hi guys,

I wanted to thank you guys for your help. I was close to buying a new brake light switch and then close to buying a new turn signal switch and then I read here and saw it's probably neither.

Honestly I am still working on it. I don't drive the car a lot and since this issue only during the day.

I have new bulbs but still hitting this issue.

I think it may be the ICM. Its my last option and then I'll have to start looking for bad wiring somewhere.
Look at the brake lamp relay as per post #2 by ala_xfire, you have to start somewhere and it might as well be there. It has a connection to the anti-lock brake system.
 
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