Question about Kia Optima
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Posted on Jan 02, 2017
SOURCE: 2006 kia sorento
There are a couple of thing that cause the bulbs to fail, on e and very common is to touch the glass part of them, the oils in the skin will cause the glass to shatter, the other and most common is moisture getting into the headlight, this is easy to detect, the inside of the headlight lens will be fogged out or you will see water inside, ever had water touch hot glass? it shatters, this is caused by leaks in the electric weld seam, the only fiz is to replace the headlight lens assemblies. You can buy these in the after market fairly cheap from Partstrain.com, I have used there parts and they are very good quality.
Posted on Dec 02, 2008
Check the battery voltage. If it is 15 volts or higher, it might be a bad regulator in the alternator. High voltage will kill light bulbs.
Posted on Mar 14, 2009
Fuses nearly always blow because of a bad earth. The switch only needs to short for a moment and the fuse will blow.
See if you can find a replcement swtich from a local breaker's yard or ebay and go on from there.
Posted on Apr 13, 2009
Took the dimmer switch out to check for problems. Quite easy to do, but as soon as I pulled the block connector out of the dimmer switch, I could see a small burn mark on the block connector!! And…the male pins that connect into the block connector were slightly corroded and had some burnt plastic between the pins.
Cleaning and scraping corrosion off of pins and connector solved the problem.
If you are having some low beam light issues, and are uncomfortable with these repairs, let your mechanic know to examine the block connector-to-dimmer switch connections for corrosion if all fuses and relays check out.
Unfortunately, the switch may not be the problem but the connection sure was! It pays to noodle around sometimes.
This also may be the root cause of excessive bulb failures. Our CR-V did not start blowing bulbs till this year, after 4 years of ownership. The dimmer switch is a low current switch that really just turns on the relays for the headlights. Increased resistance in the block connector and pins may have been the root cause all along.
Posted on Apr 23, 2009
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