Question about 1998 Chevrolet Blazer

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High beam problems

Only running lights work, high beams dosn't

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  • 115 Answers

The dimmer switch is most likely your problem

Posted on Sep 04, 2009

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Benimur
  • 6966 Answers

SOURCE: no driving or high beam headlights

Hi,

To my knowledge a 2003 Toyota Camry uses a dual filament halogen bulb, either by Osram, Philips or Sylavania. If on the dashboard, the blue indicator lits when the switch is moved to bright or the passlight is engaged but no headlight, then it could jut be busted bulb (or part of it since you still have driving/low beam). In some cases, it could be the relay that supplies power direct to the bulb. At other times, it could be fuse(s) assigned to high beam. At certain instances, it could be also a loose, corroded or burned connector.

Corrective measure for your concern would be to check the 2 bulbs. This is performed by removing the rear covering (rubber or plastic cap) of the headlight assembly from the rear. The bulbs are held in place by a spring clip that needs to be unlatched from the base/holder. Carefully remove the bulb taking care not to touch the glass envelope. The filaments would be readily visible and cut/breaks would be apparent. If determined that one of the filaments (high beam) is open, replace the bulb(s).

If the bulbs prove to be OK, you need to work yourself backwards tracing the wiring harness. After the bulb, check the 3 prong connector for any corrosion or scorching/burnt marks; clean as maybe required. Next to check would be the relay that provides the +12VDC and then the fuse.

I doubt if the dashboard or steering wheel components involve with headlights may be at fault.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jun 02, 2008

motor1258
  • 6674 Answers

SOURCE: My low beams work on my headlights but my High beams wont come on

Take a look at this link regarding DRL system. I know it's not exact truck but most of it would apply to yours too. It should give you hints on what to test & how.
http://www.fordf150.net/howto/drl.php

Posted on Mar 28, 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."

  • 1244 Answers

SOURCE: 2001 Ford Focus - High beam / low beam problem with headlights

just replace the dimmer switch under the column its wore out on the low beam side

Posted on Jan 17, 2010

Testimonial: "It's great to know that there's not a whole lot more to check! I wouldn't have guessed I was so close. Thanks!"

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2 Answers

2005 Ford Focus ZX3 SES, the blue high beam indicator in the dash comes on with low beams, and goes off with high beams. The indicator is on at the wrong time! I have tried the following: The turn signal...


It sounds like you are confused about how your headlamp system is supposed to work. The DRL does not run on the High beam circuit, it runs on the low beam circuit. The fog lamps are supposed operate with the park lamps and also with the low beams, not the high beams. From your description, I would say that your system is operating as designed and you are having trouble telling High from Low. (Don't feel bad, that is why high beam indicators were invented in the first place.)

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2008 gmc truck Low beams quit working. I have High beams and running lights only. whats possible fix?


Are the bulbs good?

If your low and high beams are on the same bulb, then the low beam elements have blown even though the high beam still works, you need two new bulbs.

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2002 Dodge Caravan headlamps: one works on dim the other works on high beam but not together. Also only one daytime running lamp.


Your van has dual diligent headlamp bulbs, that means each headlight has one bulb that serves as high beam and low beam. What has most likely happened is on one side the low beam filament has burnt out, and on the other side the high beam filiment has burnt out. The daytime running lights are just the high beam filament running on reduced power, so if the high beam doesn't work on one side, that same side will have no daytime running light. Replace both headlamp bulbs with matching, good quality bulbs.

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Only hi beams work ...no low beams . Lamps and fuses are good. Replaced relay, no change. Keep reading about ground wire from lights can not find it


The wiring schematic changes drasticly depending on whether your vehicle is equipped with daytime running lamps or not. However, both systems have one thing in common...the low beams and the high beams get their grounds from the same place. If the high beams are working correctly, the ground is not your problem. The most common causes of low beams not working and high beams working are the multifunction switch (or as Toyota calls it: "Combination Switch") and if your vehicle has daytime running lamps, the Daytime Running Lamp Module could be the problem.

Dec 02, 2010 | 2001 Toyota Tacoma

1 Answer

2001 Ford Focus - High beam / low beam problem with headlights


just replace the dimmer switch under the column its wore out on the low beam side

Jan 17, 2010 | 2005 Ford Focus

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Low beam not working but high beam is-Pontiac Vibe 2005


I have heard it could be the Daylight Running Light module located under the dash above the brake pedal. The module controls both the daytime running lights and the low beam lights. The high beams are independent of this module.

I have the same problem. I am trying to buy a new module.

Jan 15, 2010 | 2006 Pontiac Vibe

1 Answer

My 87 k5 blazer headlights don't turn on when the car is started and running any more... all 4 headlights turn on fine when I pull the lever all the way out for high beams


The vehicle should not have to be running for head lights to burn.If high beams work,then the low beam head lights could be burned out,even though they light up with high beams.The dimmer switch,can be the problem if the head lights only work on high beam.

Dec 12, 2009 | 1987 Chevrolet Blazer

1 Answer

Headlights not working at night but my day time running lights work just fine


possibly head lamp switch. daytime running lights on separate circuit and use the high beams at reduced voltage. does flash to pass work? that's high beams too. do high beams work?

Is it just low beams?
do taillights work?

Mar 01, 2009 | 1997 Cadillac DeVille

1 Answer

DRL and High Beam do not work right on Honda Accord EX 1998


Some time back I found some data on a similar website suggesting that the Day Light Running circuit board, just under the steering column, developed cracks in some of the soldered joints. Your high beams should also be affected with loss of day light running lights.
Resoldering repaired the continuity of the circuits. Ours is now working quite reliably. Some of the defective areas developed slight brownish discoloration, that's how I was told to recognise the areas to be resoldered. Hope this will help you solve your problem.

May 24, 2008 | 1998 Honda Accord

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