Halogen Headbulbs Not Lighting Up - Mazda3 Forums : The #1 Mazda 3 Forum
 
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post #1 of 5 (permalink) Old 09-25-2019, 10:38 PM Thread Starter
Bicycle Rider
 
Join Date: Jan 2017
Location: Ontario, Canada
Posts: 8
Halogen Headbulbs Not Lighting Up

Hey everyone,


I've been having this issue with my 2008 Mazda 3 for a while now, but now it's reached a critical point as both of my headlights (lowbeam) are not lighting up.


It used to be just my driver side headlight that did this. It would randomly not turn on, especially it seemed after heavy rain. Strangely enough, for some reason, hitting the headlight housing would turn it back on...


As time went on, this problem got worse and my "fix" had a success rate of about 50%. Then it started happening on my passenger side bulb (again, hitting it would activate it most times).


At this point neither of them work. About 10% of the time I can hit the driver side headlight and activate it.


High beams are fully functional. Any ideas on where to go from here? I'm worried to go to a mechanic and get hosed if it's a relatively cheap fix.
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post #2 of 5 (permalink) Old 09-26-2019, 06:11 AM
Short Track Racer
 
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Location: victoria, australia
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have you tried replacing the bulbs?
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post #3 of 5 (permalink) Old 09-30-2019, 10:40 AM Thread Starter
Bicycle Rider
 
Join Date: Jan 2017
Location: Ontario, Canada
Posts: 8
Quote:
Originally Posted by lout View Post
have you tried replacing the bulbs?

I have tried, it is not the bulbs since they come on sporadically. If it was dead, it would be dead. They are not burnt out. I feel like it's some kind of grounding issue perhaps.
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post #4 of 5 (permalink) Old 10-01-2019, 02:39 AM
Short Track Racer
 
Join Date: Jan 2016
Location: victoria, australia
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sometimes the little element inside the bulbs break and intermittently make contact
if you have tried new bulbs then check wiring
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post #5 of 5 (permalink) Old 10-04-2019, 05:12 PM
Le Mans: Prototype Class
 
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Location: South Carolina
Posts: 1,029
Make sure the black bulb holders don't have a bunch of corrosion inside of the terminals. This is a pretty common issue.
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