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Needed: Guide To Wiring Up Additional 12V Sockets


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#1 badeye

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Posted 26 November 2012 - 11:43 AM

Hi All,

So as the title states i need some guidance on how to wire up addional 12v sockets to my MK1 Ford Focus. I was wanting to put 1 in the back for the kids DVD player and 1 in the boot.

Whats the best way of doing this?

thanks in advance,

Si

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#2 Preee

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Posted 26 November 2012 - 11:53 AM

You would need some 30 Amp wire and link and wire in parallel from your front 12v Aux socket adding in a fuse.

#3 Lenny

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Posted 26 November 2012 - 12:56 PM

autostar on ebay sell a kit
All you need then is tools and hands, snip off the ring terminals and splice in to the front 12v socket and feed to the desired location in the rear of the car.
http://www.ebay.co.u...06cd8ee3&_uhb=1

#4 talksy

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Posted 27 November 2012 - 11:47 AM

Is this a tricky job to do? I could do with getting an extra socket which runs off of the ingition for my dash cam. I need it so that when the ignition is turned off, the power to the socket goes off. I have a mk2.5

#5 Lenny

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Posted 27 November 2012 - 01:43 PM

Is this a tricky job to do? I could do with getting an extra socket which runs off of the ingition for my dash cam. I need it so that when the ignition is turned off, the power to the socket goes off. I have a mk2.5


Thats easy mate,
Purchase a piggy back fuse adaptor and fit it to filter power from an ignition positive such as the heater control fuse,
Then connect your 12v scoket to the fused piggy back adaptor.

http://www.ebay.co.u...14b1d41f&_uhb=1

#6 Stoney871

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Posted 27 November 2012 - 01:50 PM

I would assume with those piggyback fuses you would need to fit a fuse for the original connection and one for the second connection?

#7 Lenny

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Posted 27 November 2012 - 01:56 PM

I would assume with those piggyback fuses you would need to fit a fuse for the original connection and one for the second connection?

Yes thats correct mate,
The piggy backs have two fuse sockets built in to them, the lower fuse is for the original fuse and the upper socket for the new take off positive.
Great piece of kit.

#8 Stoney871

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Posted 27 November 2012 - 02:10 PM

Very handy indeed.
Definitely useful to know about.


#9 talksy

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Posted 27 November 2012 - 05:48 PM

Thats easy mate,
Purchase a piggy back fuse adaptor and fit it to filter power from an ignition positive such as the heater control fuse,
Then connect your 12v scoket to the fused piggy back adaptor.

http://www.ebay.co.u...14b1d41f&_uhb=1


Ah that is very clever. What colour and rating fuse would I need for the cigarette lighter, I think it was yellow? 15 rings a bell.
Would I have to get the cigarette lighter and a nevative wire and find somewhere on the car to connect it?

I am alittle cautious as years ago I had one of the first focuses and I almost wrecked the wiring loom by making some 'ajustments'.
Don't want a repeat of that.

#10 Lenny

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Posted 28 November 2012 - 12:59 PM

Ah that is very clever. What colour and rating fuse would I need for the cigarette lighter, I think it was yellow? 15 rings a bell.
Would I have to get the cigarette lighter and a nevative wire and find somewhere on the car to connect it?

I am alittle cautious as years ago I had one of the first focuses and I almost wrecked the wiring loom by making some 'ajustments'.
Don't want a repeat of that.


I think you would need either a 15amp or 20amp fuse,
Also im not 100% sure but i think the fuse that you piggy back must be the same amp or less than the existing fuse line.
Dave at autostar can advise you on this he has helped me many times.

And regarding the earth you can fit a ring terminal and earth to a local earth point near where you fit the socket.

What was the trouble you had before with electrics ?

#11 talksy

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Posted 30 November 2012 - 05:34 PM

I think you would need either a 15amp or 20amp fuse,
Also im not 100% sure but i think the fuse that you piggy back must be the same amp or less than the existing fuse line.
Dave at autostar can advise you on this he has helped me many times.

And regarding the earth you can fit a ring terminal and earth to a local earth point near where you fit the socket.

What was the trouble you had before with electrics ?


My problem last time with electrics was to do with the head unit, I ran some new wires from it. Using those blue clips you get, they attach to an existing wire and allow you to add a wire to the existing wire without cutting anything. Didn't get a few of them on right and ended up causing all sorts of problems with my speakers. Some would not work, some would come on and off when I went over bumps, I vowed never to touch the wiring looms on a focus again!

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