What are Bulbs?

The Bulbs is part of the car Electrics system. We have 2 associated problem symptoms connected to it.

We also have 599 owner problems that mention it.

What problems can be caused by faulty Bulbs?
599 problems that mention the Bulbs

Showing the latest 10, see more problems here

Headlights are very poor.

Vision on small unlit rural roads at night is awful... even on full beam. Is it possible to increase their power?

2017 Vauxhall Meriva unknown
Posted: Dec 9, 2023
No reverse lights

Fog lights come on not revers lights

1971 Vauxhall Crossland X 1.2 auto
Posted: Dec 8, 2023

After owning this car for 2 years the clutch has gone, had to get it towed to nearest MG accepted garage in the hope the warranty would be honored. But, nope was told it will not as it's the clutch an...

2019 MG ZS 1.5 VTi-Tech-Exclusive
Posted: Nov 13, 2023
Courtesy lights not working

The lights work manually, but do not work when opening and closing doors. Fuses, bulbs all okay.

2003 Vauxhall Vectra 1.9 CDti
Posted: Oct 31, 2023
Light problem please help

High beam working fine, low Beam not working but side lights on ? any help please?

2011 Skoda Fabia vrs
Posted: Oct 16, 2023
Indicators blinking to quick but all lights working on the car

Can't figure out what is the reason why my indicators are blinking to fast and all lights on the car are working

2016 Citroen C4 1.6 hdi blue
Posted: Oct 8, 2023
Headlights and registration plate lights not working

The service light and a beep come on when the car is started. The headlights and registration plate lights won’t come on at all. The DRL’s, full beam and fog lights work fine. So when driving, it�...

2014 Citroen C4 Picasso
Posted: Sep 27, 2023
Dipped headlights dull

Dipped headlights very dull main beam is ok

2007 Mitsubishi L200 Trojan
Posted: Sep 16, 2023
Driver side led front strip light not working

passenger side running/led lights not working. What could cause this?

2012 Citroen DS3 Puretech
Posted: Sep 7, 2023
Right side indicators wont work

Both bulbs are Ok, even changed the front with new bulb to check, I then swapped the two larger green relays in the fuse box but R.H.Side indicators still wont work... Last MOT (11 months ago) @ Hal...

2009 Vauxhall Combo Combo 1700CDTI 16V
Posted: Sep 6, 2023
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