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Fitting A Dimmer Switch To A Mk2/2.5 Focus

Dimmer switch headlight mk2 mk2.5

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#1 Stoney871

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Posted 15 April 2012 - 04:48 AM

This is a guide to fitting a Light Switch unit with a dimmer dial to Ford Focus without one as factory fitted.

The part used came from a C-Max MK5 PART NUMBER-4M5T13A024BA

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Undo the T25 Torx and pull off the panel to the door side of the drivers area.

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Unplug the ODB port from the panel so as to avoid damaging the wiring (needs 3 hands really to push 2 metal clips and pull the Port clear)

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I found it was easier to reach the locating clips of the light unit from the gap at the side and had to push, pull and wiggle the unit to get it out, finally pulled forward and down to unlocate the top one first then got the bottom one clear.

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Unplug the cable loom from the old unit.

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Check the units are the same size and the plugs are the same.

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Attach the new unit and test the lights, dimmer and levellers.

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Push the new unit into place (takes a bit of a push).

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Relocate the ODB port into the trim and refit to dash.

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Replace the torx and Roberts's your Mothers Brother.

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#2 Lenny

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Posted 15 April 2012 - 09:19 AM

Another nice Guide Mate, B)

#3 Stoney871

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Posted 15 April 2012 - 03:30 PM

Now i've broken my duck (so to speak) i thought i'd keep going. ;)

#4 giwrgos_ath

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Posted 30 December 2012 - 01:43 PM

I decided to follow the guide, so i bought a part a 2006 Mondeo. That part also has auto headlights.

The part will not fit my car because it is a bit larger, however all the switches and the dim was working fine.

I am going to get another part that will fit my car, but i was wondering if i should go again for the auto headlights. Has anyone tried to install those? I assume i'm gonna need the auto rear view mirror with the sensors. I might go for auto wipers too.

Is it as easy as it sounds or am i missing something?

#5 TDCiST

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Posted 31 December 2012 - 05:37 PM

Stoney, Don't suppose you know the FINIS number do you??

#6 Stoney871

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Posted 31 December 2012 - 06:22 PM

Afraid not, the part was, as stated, from a C-Max, part number 4M5T13A024BA.

Manual light switch the same as i used-

http://www.ebay.co.u...=item5d3853887a

If you have auto-headlights then these are available on the Bay of e-

http://www.ebay.co.u...=item19d638ae54

http://www.ebay.co.u...=item3a7cfbc3da

There's loads of Mondeo ones listed but as found before, the unit is wider than a Focus one and definitely won't fit.

#7 johnH

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Posted 05 September 2013 - 01:23 PM

Heres a link - like hens teeth:

 

http://www.ebay.co.u...3#ht_1459wt_904



#8 Stoney871

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Posted 05 September 2013 - 10:38 PM

I believe after digging through microcat that the Finis code is 1471868 (listed as switch assy - lighting, dimmer, rhd, with automatic headlamp control)



#9 johnH

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Posted 13 September 2013 - 04:42 PM

ah poo...just realised that had auto switch function haha...my bad...i thought it was a bit odd loads came up on ebay lol



#10 Lenny

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Posted 13 September 2013 - 05:29 PM

ah poo...just realised that had auto switch function haha...my bad...i thought it was a bit odd loads came up on ebay lol


School boy error john, we forgive you :lol:

#11 johnH

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Posted 13 September 2013 - 05:50 PM

i was too excited when i seen them...must stop looking at car parts for satisfaction XD



#12 Postie123

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Posted 27 February 2014 - 09:11 PM

Just done this mod which was very easy thanks to your how to but the switch I got lights up green which is no good to me as the rest of my dash lights red. My car is 57 plate mk2.

The EBay ad said FORD FOCUS, C-MAX 2004-2009 HEADLIGHT SWITCH, PARTS Nr. 4M5T 13A024 BA.

Do you know the part number for the switch that lights up red?

#13 Stoney871

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Posted 27 February 2014 - 10:24 PM

All switches come with green illumination as standard but there is a seller on ebay that does converted ones.

I had to request a blue illuminated unit off him, maybe you could ask him for what you are after.

He's not cheap but the work is good-

 

http://www.ebay.co.u...arparts4you2011



#14 Postie123

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Posted 28 February 2014 - 11:06 AM

I thought it was early mk2's that come with green illumination and red just before the mk2.5's? Mines red as standard!

Funny you should mention that seller as I asked him just before you replied and he said he could do it for £14.95 so happy days.

#15 Dee_82

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Posted 01 August 2014 - 03:28 PM

Managed to pick one up with an auto on it too, in anticipation for the rear view mirror upgrade!

 

Popped it in without probs using the guide, thank you very much! and was able to safely leave the OBD socket in place which saved some hassle, ive had a wee look though MOT guides and I don't think having an inoperative light switch position will be a problem as long as both front and rear lights turn on, only down side is its Green!! thought id been so careful checking for it but oh well, if I can be bothered ill change the SMDs to red ones one day.

 

Thanks folks!



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