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Headlights dim during breaking and other things that use power

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Old 11-23-2015, 12:50 AM
Dumb_Teenager's Avatar
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Default Headlights dim during breaking and other things that use power

Hi, everyone, I'm new. I probably should have taken my 2012 Mazda3 into the shop already, but I'm here on the internet instead.

Whenever I apply the breaks to stop or slow down, the headlights dim to a little over half power and then go back up and that process repeats its self until I'm no longer using the breaks. The lights also dim when I turn the fan all the way up, steer while I'm backing out of my drive way and when I roll the windows up/down.

Here's some information about the car: It's a 2012 Mazda3 Touring with the Skyactiv DOHC 4 cylinder engine. The dimming thing has been happening for about a year now, but it was always really slight. Now it's really obvious. I'm afraid that one night, the electrical system is just going to go out on me.
 
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Old 11-23-2015, 06:06 AM
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Definitely get both the Battery & charging system tested.
 
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Old 11-24-2015, 11:58 PM
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Originally Posted by grim_reaper
Definitely get both the Battery & charging system tested.
I have an appointment set for tomorrow. Thanks for the response.
 
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Old 11-27-2015, 07:09 PM
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Results?
 
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Old 11-28-2015, 08:29 AM
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Originally Posted by Dumb_Teenager
I have an appointment set for tomorrow. Thanks for the response.
What did you find out? Also - nice to meet another owner in the Minneapolis area!
 
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