Question about 1999 Mazda MX-5 Miata
In August of 2004, my left front headlight failed; however, I would have light when I flipped on the brights. Although I purchased a new headlight, a friend and I were able to get the existing light to work by jiggling it.
Now the same headlight has failed; nonetheless, no amount of jiggling worked nor has replacing the headlight. I still have a left front headlight only when the brights are engaged.
Online research points to this being a failure of the light switch on the column, but before I go purchasing a new headlight switch, I wonder if there is some way to troubleshoot it before I purchase a new switch.
Just stumbled on this entry. Did you solve your problem?
Posted on Apr 11, 2009
Notice how your headlights are protected under the hood by a suspiciously large rubber cover? Miatas hate humidity and condensation, from head to toe, including the headlights. I lost a headlight, was pulled over by a state trooper who told me to change it, and tested the brights all in one night. Of course, the brights worked, because they are actuated from a different circuit on the wiring harness that connects to the headlight through that massive rubber seal. If any amount of humidity or condensation has occurred, especially during a weather change, I cannot stress that enough, the first thing to fail is the normal headlight setting. I was already going to switch over to high-intensity bulbs, so I had a good excuse to crack open the headlight assembly (otherwise I wouldn't dare--Miata headlights are nearly impossible to change with a large pair of hands). I separated the old bulbs from their wires and proceeded to clean the connectors of the wires with an approved electrical connection cleaning solution (go to AutoZone). I then applied the conducting gel to the bulb to avoid corrosion and secure against future problems with condensation and was good to go. Make sure to give yourself many many hours to decipher the bulb assembly, as it was designed by someone whose sole intent is to make the job 150 times more difficult. Otherwise, cleaning the wiring assembly is a cinch.
Posted on Nov 30, 2008
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Posted on Jan 02, 2017
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Jul 29, 2014 | 1997 Mazda MX-5 Miata
The headlights in a Mazda Miata are generally of two types. Some Miatas use the factory "flip up" style headlights, where a motor raises and lowers the headlight assembly out of the front bumper area. When this motor fails or when the headlights are not working properly, you'll need to replace the failed component. Replacement headlights are normally available from Mazda or from most auto parts stores if you need to replace the entire assembly. However, before you replace anything, you need to troubleshoot the problem. check for debris in the path and any loose or frayed wires.
Unfortunatly there is no adjustments, probably a weak motor.
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