I have a 2004 Chevy Trailblazer and my low beam headlights weren't working so i switched the #45 and #46 relay and they will only work if i turn them on but the day time driving lights still dont work what else could be the problem?
The daytime running lights run the high beam bulbs at low voltage so it sounds like you need to put the relays back where they were and either replace the low beam bulbs or repair the wiring to them.Also the relay you removed could be defective.
Turn the ignition to run but not start and push the dome light override button 4 times in 6 seconds an alarm will sound ...then check to see
if they work when transmission is out of start...if it doesnt work do
the same thing again to set it back.
HEADLIGHTS NOT WORKING
It
can be faulty headlight switch or issue with its wiring. Or its faulty head
light fuse.
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To
troubleshoot the issue i suggest you few help links with appropriate solution.
So you can follow the test and confirm what exact problem is there in your case
of headlights not working:-----
Click
the link below: -----
http://repairhelpcenter.blogspot.com/2012/01/all-headlights-not-working.html
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• Working of Headlight switch?
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• Both headlight bulbs blow together?
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• Car
headlight bulbs don't last long?
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http://technoanswers.blogspot.in/2012/06/2007-dodge-caliber-low-beam-headlight.html
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http://technoanswers.blogspot.in/2012/04/2001-chevrolet-tahoe-both-low-beam.html
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http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
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How to Replace a Headlight
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight.html
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How to Replace a Headlight
Bulb
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-bulb.html
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How to Replace a Headlight
Switch
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-switch.html
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How to Replace a Headlight Assembly
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight-assembly.html
How to Replace a Park Light Assembly
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-park-light-assembly.html
-----------
http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
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http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight-door.html
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http://schematicsdiagram.blogspot.com/2012/01/how-to-replace-hid-headlight-bulbs-for.html
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These
will help.
Thanks.
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im having the same problem with a 2005 and i have replaced the bulbs and the fuses are good. The lights work on high beam but not low beam what else could it be and i tried the over ride in 6 sec it dose not work.
I had thsi same problem, when we took it in we found out we had a second fuse box under the back seat, there was a fuse blown and it was because the relay in the front fuse box was not working properly,,replaced the relay and all is working fine!!
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