Everything seems fine high beams working
First check low beam fuse if ok, check the dip switch, there should be battery volts at the switch with the head lights switched on, there should be battery voltage to high beam terminal at the dip switch, now dip to low beam there should now be battery voltage on the low beam terminal ,if not the dip switch is faulty,if ok check for battery voltage at the head light , if no voltage broken wire or connection to the light, if ok check head light bulb and earth wire to the head light.
You have a continuity problem between the hot wire going into your headlight switch and the point where the wiring to the two lights separates, which will be very close to one of the lights. Now, it could be a whole lot of things between those two points, but it is guaranteed to be one of five general categories: both lights are burned out, a fuse is blown, the switch has failed, a wire is broken, or a connector isn't working.
Check fuses and lamps first. If it isn't them then the next easiest one is that one of the wire assembly connectors, probably under the hood, is either a little loose or slight corroded. The way to check that is to unsnap each connector, look for corrosion, clean if necessary, and then put it back together. Now, the wire issue and the switch issue are much more difficult, as they pretty much require you to have some special tools and advanced mechanical skills to run down. If that's you, ok, I'll tell you how to proceed. If that is not you, take it to a dealer for that brand of car or an auto electric shop. If you have the skills, then get yourself a text light on some alligator clips. Having about three feet of wire on each lead is handy. Then start at either the switch end or the light end of the wire assembly open connectors with the lights on, and test to see if you can get your test light to come on. This will go a whole lot faster if you have the wiring diagram for you car and you can quickly identify each pin assignment in the connectors. This series of tests will let you home in on where the break in continuity happens to be located.
SOURCE: low beam headlights do not work, but high beam headlights do
Clyde,
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.
SOURCE: low beam headlights not working on 2004 Pontiac Montana extended
You headlight lamp have a diffuser mechanism which allows it to flip between the hight beam and low beam feature of the bulb. In fact, you high beam will function even if the low beam is not working.
I would recommend the purchase of the new headlight lamp. It would cost you you any where from $15.00 per unit to get a replacement lamp
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
SOURCE: Both low beam headlights stopped working at the
Could be the relay for the lowbeams is faulty, if your DRL's are your lowbeams, then your DRL Unit could be bad. Also did you blow a fuse cuz a random surge could blow the fuse
SOURCE: Low Beam headlights don't work. High Beam work
hi from uk provided you have checked bulbs are ok? then this fault may be the relay for the low /dipped beam has gone faulty if you check h/book you may find location of low beam relay there is relay for high and one for low beams if you find both relays ? try switching? this will confirm relay fault if you then have low beam but no high ? b4 you buy new relay other than tis the other possible fault may be the actual di/high beam stick control ?
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