Questions about headlights, including main and dipped beams, dim-dip systems, etc

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10
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3answers
537 views

How to upgrade a motorcycle battery to a bigger AH battery?

My motorcycle (honda CBF150) came with a 12V 3AH battery. I want to change the stock 35w headlight to a higher power one and connect them directly to the battery (the stock ones are not, and they ...
10
votes
1answer
271 views

Motorcycle Headlight Conversion

I've decided to install a new headlight on my bike. The current setup is two bulbs, one is on for low beam and both on for high beam, with two wires going out of each (h11?). Here is a short video of ...
9
votes
2answers
1k views

Why are H4 LED headlights not designed correctly?

In traditional halogen H4 bulbs the low beam filament (the one with the reflector/shield) point in a 180 degree field and the high beam has no shield and has a full 360 degree coverage. This is how ...
9
votes
1answer
125 views

What is this extra light on my headlights?

I own a 2006 Mazda 6 Luxury Sport in Australia, and the front headlights have 4 lights on them: It also has a fog light, which is not featured in this photo (but will be visible in later photos). ...
9
votes
1answer
108 views

How can I secure the power block for my LED headlights?

I purchased an LED low-beam conversion kit and installed it yesterday in my 2010 Forester. The installation was easy enough, other than having to move the battery to get enough space to fit my ...
6
votes
3answers
145 views

Are expensive high-brightness 55W headlight bulbs worth the investment?

We've all seen them, bulbs advertised as brighter than the rest, sold under big names such as Philips or Osram. The flag is carried by Osram Night Breaker Unlimited and Philips X-treme Vision. ...
6
votes
1answer
80 views

Can I Mount auxiliary lights for Hero Honda Passion 2002 bike?

I am having a Hero Honda Passion 2002 model bike. The head light is very low and it works on engine power not on the battery, due to this riding bike in no light area with lots of ups and downs are ...
6
votes
1answer
2k views

Why do LED running lights turn off while the turn signal is blinking?

I've noticed in several new vehicles the following scenario: Vehicle is traveling with LED day-time running lights around/adjacent to the headlights Vehicle activates turn signal indicator Vehicle ...
6
votes
1answer
241 views

What is the difference between H7 and H7U bulbs?

Scenario I'm changing my left headlight bulb and it says it is a H7U one. What does the U marks? Possible solutions I searched a bit and found two possible solutions: Marks the shape of the bulb. ...
6
votes
2answers
100 views

No low beams but do have high beams

I have a 2008 Toyota tundra that I replaced 1 headlight on thinking it was bad but then replaced it a second time and it worked fine for 1 day and the all of a sudden now I do not have any low beams ...
6
votes
1answer
126 views

Low beam not working in headlight

I have a 1999 Miata, i bought the car for 750$ as a project car. it had some body damage but i figured i would fix it. The car is mostly done now, but i have one major issue. The low beams in my ...
6
votes
0answers
45 views

What are the brightest bulbs for projector headlamps? [duplicate]

I bought some projector headlights with Hi 55 watt bulbs in both the high and low beam modes. The low beam, which is the projector lens, isn't that bright. What other bulbs would be recommended for a ...
5
votes
3answers
26k views

Low beam headlights don't work, High beam headlights do

The vehicle is a 2003 Chevrolet Trailblazer. The low beams aren't working. High beams are. The fuse is perfectly fine (tested and swapped out). The bulbs are fine too. A mechanic told me it could be ...
5
votes
2answers
409 views

Does increasing headlight wattage affects motorcycle mileage

I ride Honda CD-100 SS, a 100cc motorcycle. Does increasing the wattage of the headlight bulb affect the mileage(fuel efficiency) of the motorcycle? If it does please explain how.
5
votes
2answers
2k views

Water droplets on inside of glass that covers headlight

I am seeing water droplets on inside of the glass that covers the headlights. They don't seem to go away. How can I fix this? I think I found the answer here: http://www.ehow.com/how_5035812_remove-...
5
votes
1answer
46 views

Parking Light Switch Engages Head Lights

On my 1996 Ford Explorer when I turn the knob for my headlights (3 positions, 1 for off, 2 for parking lights, 3 for headlights) to position 2 it turns on my headlights, when I turn to position 3 it ...
5
votes
1answer
30 views

Replacement: How do I determine what wiring harness goes with my headlight?

I have a 2005 scion xB and am needing to replace the headlights and one of the wiring harnesses. I have seen on places like amazon and other sites for OE head lights, but I cannot seem to find ...
5
votes
1answer
126 views

How do I aim the headlights of a '95 Geo Prizm?

Two years ago, my grandfather gave us his old '95 Prizm when he bought a new car. A few weeks ago, I decided that the old headlight bulbs were too dim and I replaced them with new ones. The light ...
5
votes
1answer
1k views

Does repeated turning on/off Xenon HID headlights harm them?

I've got Xenon headlights and my car has a feature which automatically turns the headlights on at night. Currently I'm hesitant to use the auto-on feature because the headlights turn on when I start ...
5
votes
0answers
64 views

low beam headlight won't work unless highs on

I have a 1961 Apache. It has the 4 headlight system. The dash lights wouldn't work right unless I wiggled the switch. I install all new headlights and bulbs in the dash. Then I installed a new ...
4
votes
3answers
2k views

Realistically, how much can I expect to improve cloudy headlights by polishing?

The headlight lenses on my vehicle (a 2001 Ford F-150) are cloudy, and presumably as a result, the headlights are not terribly effective. (I could post a photo if you want.) I bought a polishing kit ...
4
votes
4answers
1k views

Should I turn off my headlights while having the car run to “defrost” while I scratch ice off the windows?

My 2009 Ford Mondeo Clipper has a very nice "Max Heating" setting, where it both defrosts front and back windows, and sets the airco to max temperature, max fan speed. When I find my car windows ...
4
votes
4answers
3k views

New headlight lenses?

So my 97 Subaru Legacy has pretty dim headlights, and it drives me up the wall. I like nice, thorough illumination when I'm driving at night; being able to see really does wonders for confidence on ...
4
votes
4answers
5k views

Brightening dim headlights

The headlights on my car are very dim. When on the normal setting they only illuminate around 2-3 seconds down the road @ about 55mph. The high beams are brighter, but are still very dim. If I have my ...
4
votes
2answers
5k views

What is the difference between a normal battery and a maintenance free battery in a 2 wheeler segment

What is the difference between a normal battery and maintenance free battery. Is a maintenance free battery really free of maintenance or just it requires less no of charge cycles. I currently own a ...
4
votes
2answers
999 views

Is it best to replace HID headlights in pairs?

I've heard that halogen headlights should be replaced in pairs. I've been wondering if the same is true of HID headlights. They are much more expensive, so I would like to avoid having to buy two of ...
4
votes
1answer
59 views

How to diagnose undervolt in electrical system

I have a 1980 VW Dasher. Most of the electric systems perform noticeably weakly, e.g. the A/C fan, interior lamp, dash panel backlighting, windshield wipers, and headlamps. These symptoms have been ...
4
votes
6answers
52k views

Low beams out high beams work

2005 Honda Accord. Replaced the fuses even though fuse looked good. Took it in to have bulbs replaced but still did nothing. Went on vacation for about 2 weeks, car was in the garage. Came back used ...
4
votes
4answers
2k views

High Beam Indicator Problem

I have a situation where I'm doing wiring for the dashboard of a vehicle. For whatever reason, the turn signal/headlight switch on this vehicle outputs a 6 volt signal on the high beam wire when the ...
4
votes
1answer
24 views

Low beams don't work but the high beams work in a 2002 Toyota Tacoma

I have a 2002 Toyota Tacoma Pre-Runner where my low beams don't work but my high beams do work. I've replaced the headlight bulbs and relay switch, and still the low beams don't work. Any ...
4
votes
3answers
126 views

BMW E46 electric headlight leveling

My E46 BMW 320d was recently driven through some water too deep for it. The engine and rest of the car is fine but the electric levelling feature for the headlights has failed. The headlights were in ...
4
votes
1answer
56 views

Vehicle light problems 101 (2000 buick century)

How can make really dim brights brighter. And the dash light doesn't turn on (the prnd and mileage lights). I've jumped my car once when it died and they all turned on but they never did after that....
4
votes
1answer
12k views

What angle should my projector headlights be at?

A while ago I did a custom projector retrofit for my jeep. I really love the technology and it makes driving in the dark much easier and safer. Making the parts for the projector was not to bad, but ...
4
votes
1answer
172 views

Saturn Headlight Problem

I have a 2001 Saturn SL2 that is having a problem with one of its headlights. When I turn on the headlights, frequently one is not lighting. If I go to the front and give the lens a quick knock, it ...
4
votes
1answer
48 views

2002 honda accord dim lights will not work

Both dim headlights quit working at same time, both brights headlights work fine. Fuses are ok and the relays in fuse box control right side and left side. There is no relay for brights and dims.
4
votes
1answer
60 views

Low beam head lights quit working

My low beam headlights quit working. I checked all of the fuses. They are good. What are my next steps?
4
votes
0answers
37 views

Why would headlights stop working after turning over

I have a 2006 Pontiac G6. When I walk up to the vehicle and unlock it, the headlights turn on. After I get into the vehicle and turn it over, I cannot turn the headlights back on. Fog beams and turn ...
3
votes
2answers
420 views

Single headlight does not come on but is not burnt out

I have noticed a problem recently with my Acura Integra's driver side 9006 headlight low-beam bulb. At first I thought the bulb was burnt out and needed replacement; however upon inspection I noticed ...
3
votes
3answers
11k views

Which relay to use for bike headlight

I have Bajaj Pulsar 180 UG4, it has a 35 watt HS1 Helonix headlamp bulb. I want to upgrade the stock headlight to make it brighter, so I found H4 Xenon bulb 60/65 watt. I asked this question question ...
3
votes
3answers
107 views

How can you use the headlights to tell the quality of your battery?

I understand that all headlights do dim briefly when you turn the engine on and that this is normal. I also believe that the headlights will dim more if the car battery is in poor condition. I hope ...
3
votes
2answers
112 views

Headlight sealant?

So a year ago the headlights on my ten year old car started going yellow and opaque. Ive often heard you can clear that up with toothpaste. So I gave it a shot and it worked perfectly. My ...
3
votes
2answers
619 views

Installing Xenon headlights in 2004 Chrysler Sebring

I was thinking about installing Xenon headlights in my car. I hate other drivers who have them because I go blind, but after riding in my friends car equipped with them, I'm more than ready to take ...
3
votes
1answer
303 views

Collision repair with Bondo and used parts

This year, one of my New Year's resolutions was to become more of a DIYer. I was in a fender bender a few weeks back (not my fault) and insurance just cut me a check for the repairs. This car is a ...
3
votes
1answer
3k views

Low beams won't work

I have a 2007 Ford Focus. For some reason my low beams won't work. I've checked the fuses, replaced the relay, replaced the bulbs, and replaced the headlight switch in the dash. Still nothing. All ...
3
votes
1answer
1k views

Head Lamp on Honda Shine

I'm planning to change/modify the Headlight bulb. kindly suggest. My bike (Honda Shine) has 12V 3AH(MF) Battery & Head Lamp 12V 35W/35W halogen bulb. In rainy season & city Bye-pass roads the ...
3
votes
2answers
14k views

How do I replace a bulb in a Ford Focus?

One of the bulbs in my front passenger side headlamp has blown. It's not the side light or the main beam but the other one that would be used in normal night use. I have a couple of questions ...
3
votes
1answer
10k views

Headlights turning off randomly

I have a 95 Chevy S10. When I drive my truck around at night I notice that occasionally my headlights turn off for about 3 seconds and then come back on by themselves. There doesn't seem to be any ...
3
votes
1answer
79 views

Low beams are acting weird

I have a 1991 Ford Explorer. Today I fired it up and the low beams weren't working so I opened the hood while they were still not working. My girl call me so I slammed the hood and BAM it started ...
3
votes
1answer
2k views

Headlights- One Side Low Beam, Other side High Beam

I installed a new headlight bulb on just one side of my car. But now this happens when I try switching between high and low beam: driver side is low beam, passenger is high beam -switch- driver side ...
3
votes
1answer
29 views

Headlights come on by themselves

Why would the headlights on a 2006 Saab 9-3 come on by themselves while the car is off and parked?