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Subject Topic: How to recognise brake light bulb
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PersonMango23
via mobile 22/8/2024 at 1:20pm
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Hi have adria Adora Rhine ,I need to change brake light bulb ? Does anyone know which one it is ,as cats and not connected to car Thankyou


PersonFiona W
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Quote: Originally posted by Mango23 on 22/8/2024
… as cats and not connected to car Thankyou


Maybe try typing that bit again, so someone can help? Our cat never went near our brake lights.

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PersonAndyDW
24/8/2024 at 10:16am
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Most likely be the bulb with two filaments in it (or one + one burnt), a standard combined brake/sidelight bulb.


PersonMonty15
24/8/2024 at 2:55pm
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Usually a 'P21W' 21w Single filament bulb if a separate brake light lamp, or a 'P21/5W' 21/5W Twin filament bulb if a combined tail light/brake light lamp.

If a twin filament bulb, careful how you fit, they have offset locating pins to ensure the bulb uses correct filament for each function. Many bulb holders are poor quality and a loose fit, and it's possible to fit incorrectly with not too much excessive force! Check after fitting that the illumination levels are correct for function!

The existing bulb should have it's ID stamped into the cap, or occasionally etched into the glass.

Don't be tempted to substitute a LED replacement bulb instead of traditional filament bulb if you wish to remain road legal, replacement LED bulbs are NOT permitted for road use, as not certified and 'E' marked!


PersonMango23
via mobile 24/8/2024 at 7:28pm
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When you take the light unit which houses bulbs it says unscrew 2 screws but then what do you do ? as it feels like if I'm forceful it will snap ?


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Person664DaveS
via mobile 24/8/2024 at 9:12pm
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Normally you undo the screws and gently pull off the outer cover revealing the bulbs. Alternatively the whole un8t comes off and you access the bulbs from the rear.

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DS-There's more to life than football!!!


PersonMango23
via mobile 25/8/2024 at 8:11pm
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Thankyou for everyone who replied,we found out the problem was within the socket a red wire had become loose ,


PersonAndyDW
25/8/2024 at 8:47pm
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Nice result.



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