Skip to main content
13 votes
Accepted

Why are VW tail light bulbs listed as 12W / 5W?

If it is a 21W/5W bulb, then it has 2 filaments of different brightness. The 5W filament is for the side/tail light for night driving. The 21W filament is for bright illumination when you press the ...
HandyHowie's user avatar
  • 25.5k
5 votes

Car Bulbs: T10 W5W 501 what do numbers and letters actually mean?

T10 Refers to tubular glass, 10 mm diameter, according to this forum post. W5W The W5W defines the bulb "category", which is the standardized filament lamp design, as explained in ECE Regulation 37....
Zaid's user avatar
  • 39.2k
4 votes

Need to find replacement light bulb for '60s Delco radio

I appears you need a G3.5 or G3 1/2 bulb with a bayonet base. It is also referred to as a mini indicator bulb. Looking on amazon, there are still some companies that make them. If you want to go to ...
rpmerf's user avatar
  • 8,403
4 votes

Difference between bulb sockets

You can see the different shapes and dimensions of the bulb holders in these images that I collected from the Ring website. Probably best just pick the one that looks the same and has the same ...
HandyHowie's user avatar
  • 25.5k
3 votes
Accepted

Are old style license plate mini bulbs all pretty much the same?

Yeah that should be fine - the W5W part of the code you've got indicates that it's what I (in the UK) would know as a "501" bulb and that's the right type for an 850 and if you look at the pics for ...
motosubatsu's user avatar
  • 10.3k
3 votes
Accepted

Burned out bulb might have drained my battery

No. Not possible. A dead bulb is just that ... dead. There is no continuity to light the bulb, therefore there's no continuity to drain the battery. Instead, I'd look at the battery itself. It's 5 ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

Dim low beams on 2007 toyota camry bulbs brand new

I would check the battery out put and also check the grounds because these are 2 problems I have seen in the industry. I hope this helps
Dan's user avatar
  • 31
2 votes
Accepted

Taillight Not Working Even with Bulb Replacement

Check the fuse. If it still good, you will have to check to make sure it has a good ground and that no wires are broken. Without a multimeter and schematics, its going to be harder to find your ...
Chuck's user avatar
  • 149
2 votes

H4 headlight bulb failure mode

The most common failure mode is that the dipped-beam filament breaks (the filament wears out over time by evaporation). High beam will still work (this uses only the second filament).
Hobbes's user avatar
  • 4,412
2 votes
Accepted

H4 headlight bulb failure mode

If you look at a H4 bulb, it has two filaments, the one next to a small metal mirror being for low beams. They share a common terminal for ground, but have individual ones for 12V. This means each ...
sweber's user avatar
  • 7,057
2 votes

Dim low beams on 2007 toyota camry bulbs brand new

Have you performed any measurements? I see four reasons for dim lamps: Age -- As the filament wears, its hot resistance increases and the light output drops. This is a real and measurable behavior. ...
DGM's user avatar
  • 141
2 votes

How to read a motorcycle bulb

It means there are two filaments in the bulb, both rated at 35W. Presumably, dipped beam uses one of them and full beam uses both together. If you upgrade from 35/35 to 45/40, the headlight is taking ...
alephzero's user avatar
  • 2,954
2 votes
Accepted

Any pro tip to remove a fallen front marker bulb (inside headlight fixture)?

My thoughts were: Use a vacuum suction to try and grab it Get a double-sided tape on a wire and try to tape it out and grab it. Use magnets. What I ended up using was a $9 19" flexible magnetic ...
KingsInnerSoul's user avatar
2 votes

Any pro tip to remove a fallen front marker bulb (inside headlight fixture)?

A bent stiff wire with a sticky end...
Solar Mike's user avatar
  • 34.6k
2 votes

Why did the light bulb burned shortly after being replaced?

I wouldn't assume the bulb is burnt out, I'd test it in another car or using a 9 volt battery unless you can visually verify it's blown. If it has indeed blown that fast then it could be a ...
GdD's user avatar
  • 17.1k
2 votes

Use both high beams and low beams at the same time?

You can drive the low beam relay from the high beam relay using a diode. I would use a small diode to go from the coil supply on the high beam relay to the coil supply on the low beam - this only ...
Solar Mike's user avatar
  • 34.6k
2 votes

What is the difference between H7 and H7U bulbs?

I have a 2007 Lotus Elise. "Pre" 07, Lotus used H7. 07 and later, Lotus went to H7U. The U is ultraviolet "filtered." Previous poster (commenter) is wrong. The cheaper (and older) H7, put out ...
John's user avatar
  • 21
2 votes

What is the equivalent to the genuine headlight bulb

I found a bulb from Walmart "Sylvania 2357" it cost me $7.31 CAD for 2 I called Kia dealer and they ask for $31.75 for 1 bulb.
asmgx's user avatar
  • 203
1 vote
Accepted

Right indicator sometimes ticks really fast and lights don't illuminate

If the bulbs are are working, replace the unit. Last Time I did it the flasher unit was so cheap that I do not remember the price.
blacksmith37's user avatar
  • 3,688
1 vote
Accepted

VW Passat B8 - remove low beam bulb - pull, rotate or...?

Basically exactly as you are suggesting. Pull the black connector off the back of the bulb. Then once you have full access to the back of the bulb, press in on the small metal tabs holding the bulb in....
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote
Accepted

Hyundai Santa Fe 2012 - low beam of the headlights stopped working

Go to a car spares store. They'll spec the correct bulbs for your vehicle, and they'll also install them for you if it's a quiet day (and they'll know not to touch the bulbs, which would otherwise ...
PeteCon's user avatar
  • 8,712
1 vote

Hyundai Santa Fe 2012 - low beam of the headlights stopped working

Well, check the fuse box and test the fuses - fuses can fracture so that current won't flow but they still "look" good... Also check the bulbs from both headlights, a multimeter is good for this but ...
Solar Mike's user avatar
  • 34.6k
1 vote

How to figure out the light bulb part number?

I found the answer by going to a Volkswagen dealership website. I don't know why I didn't try this before! They had diagrams, so it was easy to figure out the part number. https://parts....
blueseal's user avatar
  • 407
1 vote

Are old style license plate mini bulbs all pretty much the same?

After some more research and long discussion with a guy at Autozone I found that mini bulbs basically come in two flavors: 5 watt and 3.5 watt. As long as you get the right wattage they are ...
Cooter Davenport's user avatar
1 vote
Accepted

Audi A3 S-LINE 1,4 replacement dipped headlight beam

It will depend on whether your particular car has HID (Xenon) headlights - the reg checker on the Halfords site only operates in terms of broad strokes - pretty much just the barest info (year and top ...
motosubatsu's user avatar
  • 10.3k
1 vote

Upgrade i20 head lamps bulb

As the ratings of the new bulbs appear to be the same from what you state, then go ahead and fit them. If the bulbs needed higher current then changing the supply would be necessary - checking relays,...
Solar Mike's user avatar
  • 34.6k
1 vote

Dim low beams on 2007 toyota camry bulbs brand new

While it's going to be awfully subjective in what method people will agree with, it's highly likely that your headlamp assemblies need to be refinished. I can link a few different sites, like This ...
NitrusInc's user avatar
  • 763
1 vote
Accepted

LED tail lights switch off after 5 seconds

There are few issues with this. First was to replace just one side with LED. You will either to replace one side with incandescent bulb or follow through with LED conversion. If you want to go the ...
Ruslan's user avatar
  • 302
1 vote

How long do incandescent indicator bulbs last?

The life span of an incandescent light bulb is up to 50 times smaller than the one of an LED (in reality you can expect up to 1500-2000 hours out of an incandescent light bulb, but usually these ...
Andrei Grigore's user avatar
1 vote
Accepted

How to replace center (third) break/stop lamp/bulb in Ford Galaxy 2009

I could not find any documentation for this, but did find a video. The video shows the assembly having press clips that need to be pushed out. Unsure what language this is, but the watching should ...
CharlieRB's user avatar
  • 9,015

Only top scored, non community-wiki answers of a minimum length are eligible