One of my number plate lights isn't working

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My Name: Chrisdon

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Posts: 1
Joined: Thu Nov 15, 2018 4:37 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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One of the number plate lights on my 2003 C3 isn't working so I guess I'm headed for an MOT fail if I can't fix it.

It's not the bulb as I've put that in the working side and it works. It's not the lamp holder as I've swapped them round and they both work on the working side.

So it looks like that, for whatever reason, power isn't getting to the lamp holder on one side.

As chasing a wiring fault down is not something I want to attempt I'm wondering if I can power the two lamp holders from the one working power supply as a work around?

And maybe swap out the existing lamp holders with LED versions of the same to reduce the power demand?

Any steer in the right direction greatly appreciated.
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My Name: C3CAR

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Posts: 2815
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Chrisdon wrote: ↑Thu Nov 15, 2018 4:58 pm I'm wondering if I can power the two lamp holders from the one working power supply as a work around?
Yes, I am sure you can.

The wiring for the 2 number plate lamps is split off one of the rear clusters anyway.

One cable from the BSI feeds the 2 number plate lamps and the rear cluster tail light.

But it would be worth double checking the connection wires on the lamps as these can become damaged when the lamp is removed.
Number plate lamps on a Citroen C3
Number plate lamps on a Citroen C3
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My Name: Arfur Dent

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Posts: 3547
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: 355 times
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There is a topic on how to remove the complete Citroen C3 number plate lamp units should they need to be replaced.
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