Headlight switch from halogen to LED

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My Name: Nazdu_

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Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 (16v)
Fuel Type: GNV (CNG)
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Trim Level: NA
Gearbox: Manual 5 speed
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Hi,
I have recently bougth a citroen c3 , and now, to give it a more modern look, i want to switch from halogen to LED headlights (both low and high beams). Is there anything i need to know in order to do this little upgrade?
What form factor LEDs i need to buy for the c3?
Do i need adapters to drive the LEDs?

Thanks In advance!
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
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Nazdu_ wrote: Mon Mar 01, 2021 3:06 pm Hi,
I have recently bougth a citroen c3 , and now, to give it a more modern look, i want to switch from halogen to LED headlights (both low and high beams). Is there anything i need to know in order to do this little upgrade?
What form factor LEDs i need to buy for the c3?
Do i need adapters to drive the LEDs?

Thanks In advance!
Hi

You don't need any extra drivers, but you may need a can-bus resistor otherwise the C3 thinks the lamps are blown and gives you a warning.

The problem with LED for an and H1 is that there is very little space in the C3 headlight unit and most of the LED lamps have big fans and controllers attached which makes them too big to fit. The ones that actually do fit are THESE (braided heatsink) version. You need H1 and H7, but also consider the W5W for DRL and an amber LED indicator. But it is a really tight fit and not really ideal.


H1 and H7 LED headlights fit the Citroen C3 (just)
H1 and H7 LED headlights fit the Citroen C3 (just)

Tight fit of the LED headlight in a Citroen C3 headlamp


Stealthy DRL LED lights on the C3 topic.
fit of the LED headlight in a Citroen C3 headlamp
fit of the LED headlight in a Citroen C3 headlamp




There are a couple of C3 LED headlight upgrade topics that can help you along.

This one gives the AO switchback effect with DRL
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My Name: Arfur Dent

Guru
Posts: 3340
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 271 times
Been thanked: 114 times

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While you are at the front of the C3, there are LED side repeaters that upgrade the look.
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