Question about Cars & Trucks
Why my ford courier headlights dont work but high beams do
Posted by Anonymous on
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Posted on Jan 02, 2017
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.
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Posted on Jun 02, 2008
I've been troubleshooting this same problem on a different vehicle this week, and I can give you the steps I'd take.
1. If both sides went out at the same time, the problem is *NOT* likely to be the bulbs.
2. Check the fuses to see if both low beam lights are on the same fuse. Many cars have one fuse for low beam and another for high beam, so both lights out at the same time typically means fuse blown.
3. If the headlights are OK and the fuses are OK, then the problem is *LIKELY* the headlight switch. In my case, AutoZone has one and it can be installed easily; but in your case, that may not be as simple.
Please post your findings or comments.
Posted on Jul 16, 2008
when you switch your signal arm push forward for hi beam pull back low beam if you have regular beam and both beams are present then most likely it is your head light hand switch!! if fuse was blown you would have no head lights at all,so i would start with the swich good place to begin!
Posted on Jan 03, 2009
IF THE BULBS ARE OK CHECK THE HEADLIGHT MODULE(IT LOOKS LIKE A RELAY, ORANGE CASE I THINK) TRY WIGGLING IT,IM PRETTY SURE THATS IT. THEY GO BAD ALOT ON SAABS. IT SHOULD BE IN THE ENGINE CONPARTMENT
Posted on Jan 30, 2009
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.
Posted on Mar 28, 2009
Tips for a great answer:
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these will help.
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