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Old 02-07-2011, 06:31 PM
old school 92 4bannger old school 92 4bannger is offline
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Exclamation grimlin lurkin...blown headlight bulbs but not fuses

driven dwn the rd both headlights jus cut off...freaked out hit the high beams they came on ..drove but 10 mins with high beams then they blow out....first thing of course check the fuses everything good has the right fuse and everything...then i figured maybe the switch went bad so call advanced auto got a new one put it in and two new headlights turnd all on wrk good for bout maybe two mins then blew both bulbs agian and not the fuse....fml....so i check the harness for water or corosion looks good>>>check the harness with volt meater to see if it was getn like a crazy surge or sumthing maybe thats why the bulbs are blown,no luck everything lookd good...need help daily driver leave at 5am sun is dwn need headlight didnt really wanna rewire jus to a toggle switch (ghetto shit) but will if nessary need lights
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Old 02-07-2011, 06:46 PM
FireRanger FireRanger is offline
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Default Re: grimlin lurkin...blown headlight bulbs but not fuses

First things first. Stop replacing parts blindly without any evidence they're bad. Like the headlight switch. Total waste of money.

Second. Are the bulbs ACTUALLY burned out. Like, look in the bulb, are the filaments actually broken.

Third. Don't know if this an issue but it's worth mentioning. You can not touch the glass when replacing the bulbs. If you touch them, or they get wet, they will burn out.
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Old 02-07-2011, 07:07 PM
old school 92 4bannger old school 92 4bannger is offline
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Default Re: grimlin lurkin...blown headlight bulbs but not fuses

yes headlight switch was random buy was hopen other one jus took a shit ..quick fix....and the head lights were blown up both beams ...took em out and lookd at em and u could see they were both destroyed...so put new ones in and it did it all over...so back to square one..

----------

o..and didnt touch the bulbs...got hids in my duramax so iam learned on the whole dnt touch the bulb thing...i wish it was that easy
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Old 02-07-2011, 08:00 PM
S13minus1 S13minus1 is offline
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Default Re: grimlin lurkin...blown headlight bulbs but not fuses

is there moisture in your headlights? whats running voltage at your battery?
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Old 02-08-2011, 11:19 AM
old school 92 4bannger old school 92 4bannger is offline
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Default Re: grimlin lurkin...blown headlight bulbs but not fuses

headlights have no moisture,nor standin water of sumsort...and battrey runnin volts was...14.7
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Old 02-08-2011, 02:39 PM
FireRanger FireRanger is offline
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Default Re: grimlin lurkin...blown headlight bulbs but not fuses

I doubt this was caused by an overvoltage condition. They're much more resiliant than that and if it blew up headlight bulbs, it would have blown the crap of a lot of other things too. Wiring faults like corrosion or a crappy switch would reduce the voltage and also not cause this.

Honestly, mishandling of the bulbs is the only thing that should cause this to happen, but that wouldn't happen in sync with the other bulb. I'm out of ideas on this for now.
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