I'm having the same issues with my 02 S-10. I replaced the relay and that wasn't it. If i smack the top of the fuse box under the hood sometimes they will come on and stay on. Other times the come on and go back off. im sure its a short somewhere but dont know where.
Could the problem be the Headlight module? He has already replaced the relays and fuses all check fine. Both headlights on high beam work fine, but low beam do not work. DDL also do not turn on. He replaced one bulb to test and it still did not run on. Any ideas? Thanks again
If it's not the bulbs, be sure to check them, might be dual filament and the high beam wire is fine but the headlight one is shot, one bad wire would cause both headlights not to work.
Hopefully that's the problem, if not, it could be blown fuse/short in the wire. Try checking power/ground at the bulb to reduce the possible problems. If it has both with the headlights "on" then it's the bulb, if it's missing one then follow the wire for any irregularities.
They sometimes pass the wires under the flooring right near the drivers feet, which is a perfect place for water/salt to seep in and corrode wires.
SOURCE: 1993 corsica--low beams work fine, no high beams.
Check the fuses under the hood...chances are it's one of them....there's not much left to check after that....check the fuses inside the car as well...it might be the high beam switch is bad that switches the low beams to high beams inside the car.
SOURCE: chevy cavalier 1996 headlight not working,day
Did you replace the relay for the day time running lights which for some dumb reason is mounted under the front bumper? Climb under and look straight up and you should see it...mine was mounted in about the center (on the frame in front of the radiator. Sounds similar to an issue I had and it cleared up once I replaced the part...had to get from dealer still.
HEADLIGHTS NOT WORKING
It
can be faulty headlight switch or issue with its wiring. Or its faulty head
light fuse.
==========
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
----------
• Working of Headlight switch?
------------
• Both headlight bulbs blow together?
------------
• Car
headlight bulbs don't last long?
---------------
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
------------
http://schematicsdiagram.blogspot.in/2012/04/low-beam-headlights-modification.html
---------
How to Replace a Headlight
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight.html
------------
How to Replace a Headlight
Bulb
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-bulb.html
-----------
How to Replace a Headlight
Switch
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-headlight-switch.html
----------
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
----------
http://schematicsdiagram.blogspot.com/2011/08/how-to-replace-headlight-door.html
----------
http://schematicsdiagram.blogspot.com/2012/01/how-to-replace-hid-headlight-bulbs-for.html
----------------
These
will help.
Thanks.
http://howtobyme.blogspot.com/2011/11/only-high-beams-work-but-head-lights.html
----------------
Only high beams working on GMC Savana?----------
High beams stopped working but headlights still
work?
http://howtobyme.blogspot.com/2011/11/highbeams-stopped-working-but.html
----------
• Working of Headlight switch? ----------
• Both headlight bulbs blow together? ----------
• Car headlight bulbs don't last long?
------------
Only one head light works on 2001 Dodge
Caravan?
http://howtobyme.blogspot.com/2011/11/only-one-head-light-works-on-2001-dodge.html
----------
these will help.
Thanks.
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