Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [bulbs]

Either an incandescent, halogen or LED electrical fixture that provides either illumination or information.

Either an incandescent, halogen or LED electrical fixture that provides either illumination (instrument panel, cabin dome light, license plate light, etc) or information (warning lights on instrument panel, brake lights, turn signal lights, backup lights, etc).

Car wedge bulb

43 questions
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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. The bulb is not ultra violet sensitive, therefore it…
totymedli
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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. Information floating around online tells us these bulbs…
I have no idea what I'm doing
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Car Bulbs: T10 W5W 501 what do numbers and letters actually mean?

As you know when replacing a bulb you normally check the bulb, the vehicle handbook or online to find out which bulb is required. In this question I will be using the T10 501 W5W Bulb as an example and hopefully, by answering this, it'll help me…
Simon Hayter
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Why are VW tail light bulbs listed as 12W / 5W?

My VW Polo 6R left tail light is off and it seems there are several kinds of bulbs available for purchase: 12V 5W 12V 12W 12V 5W + 12V 12W 12V 12W + 5V 5W ... My first guess is that the 5V is just a mistake on the listing. But what are the bulbs…
patraulea
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Difference between bulb sockets

What is the difference between the following bulb sockets: b8.5d, b8.4d and bx8.4d? Are they interchangeable? (And especially, what's the difference with the x and non-x version?) Background: I need to replace the lighting on the dashboard (Opel…
Attilio
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Why did the light bulb burned shortly after being replaced?

So the marker light bulb next to the high beam was dead on my 2008 Jetta. I figured out the replacement and the mechanic I know replaced both sides with new bulbs. The light came on when I tested by turning on the dashboard/marker lights without…
blueseal
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LED tail lights switch off after 5 seconds

One of the rear tail lights of my Mk5 VW Golf blew out recently, triggering a bulb failure warning on the dash. On inspection it was the bulb itself that was broken, so I have no reason to suspect electrical issues. I bought some replacement PY21W…
quant
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Taillight Not Working Even with Bulb Replacement

I have a 2004 Toyota Camry, and the taillight is not lighting up when the headlights are turned on. This is happening equally on both the left and right sides. When I pulled the old bulb out, I noticed some acid buildup on the end. We tried…
Brian Mains
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Need to find replacement light bulb for '60s Delco radio

I need to replace the light bulb for the radio in my '65 Buick Wildcat. The radio is a Delco Sonomatic 7289734 (U7N137), AM only, no wonderbar, and is part of a fairly common family of radios installed in mid-'60s GM products. The bulb appears to…
Wildcat Matt
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How do I remove this motorcycle indicator bulb?

I am trying to remove this indicator bulb from a 2012 Kawasaki W800. I've try twisting to unscrew and pushing it in like a bayonet but it's not budging. I even tried some needle-nose pliers around the base to try and turn it but no good. Anyone have…
MeltingDog
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What is the headlights bulb size for Daewoo Lanos?

I'm totally new to cars. I've been trying to figure out the appropriate size for my Daewoo Lanos headlight bulbs (H4, H7 , ...etc). However, I couldn't find it any where in the manual, and Google search wasn't conclusive. How can I find the right…
Samy
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Any pro tip to remove a fallen front marker bulb (inside headlight fixture)?

Was replacing the front left marker light on a 2012 VW Passat when the bulb just bumped off and fallen off the holder inside in headlight fixture. Any tips on how to remove the bulb from the fixture without removing the grill and headlight fixture…
KingsInnerSoul
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Burned out bulb might have drained my battery

I was cleaning the car last night and noticed the overhead bulb for the back seat is burned out. It was on position 'Door' (i.e. lights when the door is open). I've switched it off and on a couple of times and clearly remember I left it 'On'. Next…
hyankov
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H4 headlight bulb failure mode

I've got a motorcycle that has a single H4 bulb in the headlight. I know that this is a dual filament bulb, and I've been trying to find out what happens when the bulb fails. Will I have no light at all from the low and main beam? Will I have…
CadentOrange
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Replacing bulb in heater unit on Peugeot 207

I have a Peugeot 207 with a manual heater unit with a failed bulb, and need details on how to replace it. I have search online for an answer but have come up with not very much. I found out I need to remove the two silver strips on the center…
Ted
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