Question about 2004 Chevrolet TrailBlazer
Check fuzes first. then the headlight bulbs,check wiring and check headlight switch. One of these should be the problem
Posted on Oct 13, 2013
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Posted on Jan 02, 2017
on a 2003 Chevy Trailblazer, you have to remove the grill to access the back of the head lights. It takes a good pull (don't be afraid to use a little force). Pop the hood and there 4 metal pieces that slide up and several plastic pieces that pop up. You will see the lips on the metal slides (about an inch in width) and you pull those up to loosen the grill. There are 2 of these slides (one on each far side, almost hidden) that are hard to get your hand into that you might need a screwdriver or something for leverage to slide them up. Then pop up the plastic pieces holding the headlamps in place and with a little force pull the grill off.
Then you can access the back side of the headlamps to replace the bulbs.
Posted on Feb 11, 2009
SOURCE: Low Beams Don't Work!
There is more than one relay I know but make sure your bulbs are good I HAVE seen this happen more than once.. low beams can go at once.. and still have hi beams check this first please .. Jerry
Posted on Apr 24, 2009
the click you are talking about is the high beam relay.
you nedd to get a tester or voltmeter and check the sockets for 12v.
there has been instances where both low beam bulbs went at once.
do the daytime running lights work?
if not,supect the daytime module...it is also wired into the parking brake.
if you put the park brake on first,then start the vehicle,the dtr do not come on
Posted on May 13, 2009
Sounds like its a problem with the light switch handle. Had it myself as well...
If you're savvy enough around car electronics take out the light switch handle, take it apart, find the problem and fix it. Inside the handle-switch you have several slide-switches and some double action slide switches.
Otherwise - get a different switch from a local junkyard or get a new one from your dealer.
Posted on Jul 11, 2009
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