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All my lights work but my headlights dont work on high or low beam ive checked fuses relays wires and switches and i need help

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  • Cars & Trucks Master
  • 660 Answers

Possible dual element bulbs. (one bulb for both hi/low)
Could have just burnt the LOW side elements.... replace bulb and see if that works/

Posted on Mar 19, 2014

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Posted on Jan 02, 2017

  • 92 Answers

SOURCE: 2005 honda odyssey no low beam headlights

DIMMER SWICH, PROBABLY, WHICH IS INCORPERATED IN CONTROL ON STER. COLUMN?

Posted on Oct 08, 2008

  • 1861 Answers

SOURCE: Low beam headlights don't work

I have e-mailed you 2 .pdf files, one is the complete headlamp diagram, and the other is the relay locations. Please advise if you need further assistance.

Toyota Ed

Posted on Jan 02, 2009

SOURCE: High beams work but low beams do not. Fuses seem to be good

Hi

I would start with the dimmer switch if you know the lights are good dimmer switches do this you will lose your high beam or you will lose your low beam when they go bad.

Posted on Feb 26, 2009

  • 1 Answer

SOURCE: Jeep Headlights not working. High beam works

had the same problem on my 92....check under the hood on the drivers side,towards the front,there is a "junction box" with all of the lighting wires connecting from the switches to the lights.My wires were all corroded inside,so I cleaned the ends and bought a new box from the local electronic supply store.The problem has not come back.

Cheers

Posted on Jul 15, 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

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2 Answers

No low beam headlights


Either the switch or bad wire connections at the bulbs. Scratch that - I'd be lookin at the switch.

Feb 16, 2015 | Cars & Trucks

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I have a 1995 mazda lantis v6 my headlights come


there are a number of fueses for the headlights and a relay I believe , ck your low beam wiring see if you are getting 12 volts to the low beams if not find out why , maybe a break in the wires

Oct 21, 2014 | Mazda Cars & Trucks

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Where are the headlight relays 1998 chrysler sebring?


Check in that fuse box again. There is one for each, the high beam and the low beam.

Jan 16, 2013 | Cars & Trucks

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I have a 2005 dodge caravan. the headlights have


On the van you have a high beam fuse and relay. On the low beam you also have a fuse and relay. Check the fuse/relay panel for a blown fuse controlling the low beam lights. If you do not find a blown fuse have some one to turn the key on and turn on the high beam lights> During this time locate the low beam headlight relay and place your finger on top of relay, have the other person to switch from high beam to low beam lights. You should feel a click in the relay when they make the switch from high to low beam. If not replace the relay and the problem should go away. Hope this will help you.

May 28, 2010 | 2005 Dodge Caravan

1 Answer

I only have high beam headlights. I have replaced the light bulbs and checked the fuses. All the other lights work.


about troubleshooting your headlights on your vehicle. I would isolate the wire that comes from the headlight switch to the headlamp bulbs for low beam and check to see if there is a short in the wire. You can find this wire by using a test light turn on the key and get a good ground with the test light poke the wire and see if the test light illuminates with the headlight switch on. ---- Also check the wires, and check the fuse for your low beams. could of blown a fuse on your lows, but your highs will still work.
Every single time I have had a failure of low beam in a headlight without failure of high beam, it has been because the lamp bulb or halogen lamp module has reached the end of its serviceable life, not because of any wiring problems. Low beam burns out first because it is on the most. If low beam is lost simultaneously in both headlights, I would check fuse first, then the headlight switch. If low beam is lost on one side only, it is almost always going to be due to the bulb or lamp module needing to be replaced. In that case, replace them in both headlights because the other one will be going kaput in short order, as well.
There is something to check. Does the low beam relay click when you turnt he low beams on?
if it does not click then
Then find the BCM at the base of the steering column. In there find the grey connector and in there, find the pink/white wire in terminal A4. Use a wire to jump that wire to ground. IF the low beams come on, then it is likely the BCM is bad.
Also check a bad wire between the fuse block and the BCM. before replacing the BCM . Start under the fuse block. This is the fuse block under the hood.
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Mar 18, 2010 | 2004 Chevrolet Cavalier

2 Answers

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.

Oct 07, 2009 | 1996 Toyota Tacoma

1 Answer

My 1992 Corolla DX headlights won't come on! I have changed the fuses and the bulbs. The relay clicks when turning the switch and the wiring seems to be in good condition but I am no electrician. The...


Power flows from the battery to the main fuse. Then it flows to the control coil and contact side of the headlight relay. When you turn on the headlights, the headlight switch provides ground to the control coil in the headlight relay and that operates the contacts. The contacts allow power to flow to the right and left hand headlight fuses. Power flows to the headlights. The headlight switch is what provides ground to the high and low beams on the headlights.

To diagnose, remove the headlight relay. Using a voltmeter, check for battery voltage on terminals 3 & 4 in the socket with the key in the RUN position. Then turn on the low beams. Test for good ground on terminal 1 in the socket. If you're not getting ground, then you've got a problem with either a bad headlight combo switch or a bad ground. If you get good ground on terminal 1, reinstall the relay, turn on the low beams and test for power in the headlight sockets. If you get battery voltage, that confirms you've got good fuses and wiring up to that point. Next, check for good low beam ground on the red/green wire in the bulb socket. If you're not getting good ground, it's either a bad combo switch or bad ground from the combo switch. Then turn on the high beams and check for good ground on the red/yellow wire in the bulb sockets.

It wouldn't hurt to clean the ID ground on the left side of the instrument panel, but based on everything you've said so far, this sounds like a bad combo switch

Jul 26, 2017 | 1992 Toyota Corolla

2 Answers

Low beam lights dont work. Tried fuse and relay and its not either


Replace bulbs yet? Dimmer switch may be stuck on high?

Apr 17, 2009 | 1989 Buick Riviera

1 Answer

05 Jeep Wrangler High Beams Work, Low Beams dont


There are no relays for the headlights. Your problem could be from the headlight switch. You would have to check and see if you have power coming out of the switch on the low beam side. Check with a test light.

Dec 15, 2008 | 1997 Jeep Wrangler

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