Question about 2004 Chevrolet TrailBlazer

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No low beams or cruise, all other lights and functions work just fine

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  • 71 Answers

Your combination switch could be bad

Posted on Apr 26, 2010

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: low beams won't come on, high beam works fine

I had the same problem and it turned out to be the dimmer switch. Good luck!

Posted on Mar 23, 2009

ourhowse
  • 2007 Answers

SOURCE: low beams dont work, only high beams do. 02 tacoma

If there is power there, then it has to be the bulbs. The trouble that most people have is, they don't see how both bulbs could burn out at once... and they're right. They don't. But you see vehicles with one headlight all the time. They don't know it unless you tell them or they happen to see it themselves. Then the second light burns out, and they think it's a major catastrophe, when in fact, it's just bulbs. The high beam still works because the bulb is double filament. The only other thing it can be is the dimmer switch, and since you switched it to high, it appears to be working. However, if it's not bulbs, it still could be the switch.

Posted on Oct 07, 2009

  • 7353 Answers

SOURCE: low beams don't work - both out at the same time.

DID YOU CHECK THE BULBS?

Posted on Nov 04, 2009

Testimonial: "spot on."

  • 4 Answers

SOURCE: One high beam works one doesn't, gauge cluster does not light up

most honda have a light module under driver side dash panel and this module is often shortcut or burned by the inside (brown connecter)

Posted on Dec 21, 2009

gladys_neal
  • 334 Answers

SOURCE: fog lights and high beams work, but not the low beams

most likely the hi lo switch

Posted on Dec 31, 2009

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No Low beam head lights and no turn signals or hazard lights. Already changed the multi function switch. What to look for next?


When you had the wiring loose for multifunction switch, if possible, knowing what color wire did what, using wiring diagram, I believe you could have used jumper wire to bypass multifunction switch to see if this or that system would work, if it doesn't, the multifunction switch probably wasn't the problem. On older vehicles it was probably easier to do something like that. Could be issue with wiring in steering column or clock spring, where applicable.Your low beam from dimmer switch goes through drl relay, with relay not energized. At the low beam head lamp, tan wire is voltage, black wire is ground.

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1 Answer

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What about the rest of the lights. The Auto and Manual function should turn the tail lights also. If they work, then it is a headlight wiring problem. If the tail lights are not working either, then it is the auto control module

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Its not a relay, have your multi function switch checked out

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2006 Chevy HHR low beams do not work in auto or on positions. However, low beams flash when locking/unlocking the car using the remote. Also, high beams, parking lights, and turn signals all work fine. All...


Your running lights which come on when you are in drive should be the ones flashing when you use the key FOB to lock or unlock vehicle not your head lights. Although unusual maybe both low beam head lights are burnt out or a bad ground, that the only thing that makes sense to me.

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1 Answer

My high beams work but my low beams and tailights do not


this circuit is fused also the headlight switch controls both functions for low as well as running lights

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1 Answer

What's involved in replacing muti functional turn singnal switch 1991 park ave head lights won;t come on at all beleive that switch is bad??


Fortunately your 1991 Buick is pre-steering wheel airbag...you will need to remove the steering wheel to gain full access to the "smart stick" Not to difficult with the correct puller...on loan from most parts stores...Hope this helps.

May 02, 2012 | 1991 Buick Park Avenue

1 Answer

Automatic headlamps work during the day, but at night only highbeams, even using manual switch.


Your blazer has a total of six bulbs (eight if you have fog lights) . Two are low beam, two are high beam and two are daytime running lights. It sounds to me like your high/low beam selector switch is faulty. This switch, as you might know also controlls many other functions, so if you are not having problems with other things like cruise, wipers or blinkers, I'd make sure first that your fuses are all good and the bulbs are good also before tearing into anything.

Dec 13, 2009 | 2002 Chevrolet Blazer

2 Answers

1999 buick century headlights won't come on


no low beams on my 1999 buick century change headlight bulbs and still no low beams

Oct 21, 2009 | 1999 Buick Century

1 Answer

My headlights are not working, but shows my high beams are on


Low Beam Fuse may be bad.
Low Beam relay position is bad.
Stalk that controls the high/low beams/cruise/lights is bad.
Low beam filament may be bad in both headlamps.

Mar 06, 2009 | 1999 Chevrolet S-10 Pickup

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