I want to fit parking sensors

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My Name: jerrybuilt

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Model: C3 2006-2009, Facelift model
Year: 2007 (07)
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I want to fit parking sensors to my C3 Desire 2007.

It all seems straightforward enough, but I just need to identify which cable supplies the reversing light. All cables feeding in to the light cluster are a different colour. From googling around I see that on other vehicles purple feeds the reversing light, I was wondering if purple is the universal cable colour for reversing lights. I suspect it's not as easy as that though.

Can anyone help?

Thanks
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My Name: C3driver52

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Hi jerrybuilt,
I just need to identify which cable supplies the reversing light.
According to my 2007 C3 Haynes manual its the yellow wire in the rear cluster plug which goes back all the way to the BSI, is the reversing light live wire.

I want to fit parking sensors to my C3 Desire 2007.
Aftermarket parking sensors are much cheaper than ever and the sensors are available in a choice of colours to help matching to the body coloured bumpers and are available HERE (eBay). As you say, not a challenging job to install.
My Name: jerrybuilt

Contributor
Posts: 11
Joined: Sat Jul 20, 2013 4:06 pm
Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 104000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Been thanked: 1 time

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I successfully fitted parking sensors to my C3, it was quite easy really just a question of taking your time and working out how you're going to do it.

I bought a kit of buzzer only sensors off Ebay, they give you plenty of cable and there's even a handy hole with rubber gromit in the boot floor to feed the sensor cables in to the boot.
In my case the reversing light is powered by the brown cable, the yellow cable powers the side lights.
My Name: Djgrieve

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Model: C3 2009-2013, New shape (A51)
Year: 2010 (60)
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Gearbox: Manual 5 speed
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I have a 2010 c3 vtr+ and I'm trying to fit an aftermarket reversing sensors. I have no idea where to put the red and black power wires for it to kick in when I put it into reverse. Can anyone help?
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My Name: C3driver52

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Posts: 1940
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
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Djgrieve wrote:I have a 2010 c3 vtr+ and I'm trying to fit an aftermarket reversing sensors. I have no idea where to put the red and black power wires for it to kick in when I put it into reverse. Can anyone help?
Hi Djgrieve

If red and black are the only wires, I would hazard a guess that red is live when you want the system working and black would be earth.

You can pick up both from the rear light cluster.

The rear light cluster will have some voltages present and an earth available to power the reversing light. Just tap into the light wiring. To be sure you have the right wires, use a cheap multimeter to find the reversing light signal and a nice earth connection.
My Name: Djgrieve

Member
Posts: 2
Joined: Wed Oct 14, 2015 10:12 am
Model: C3 2009-2013, New shape (A51)
Year: 2010 (60)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 20000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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Awesome thank you very much.
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