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Ajal2011

Brake Light Problems

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Can any one help me with a problem I am having with the brake lights on my 2011 Bailey Unicorn Seville.

I have just upgraded my tow car to a 2015 Ford Kuga with factory fitted towing bracket & electrics. All the lights on the van work apart from the four brake lights which will flash once & then not work.

Has anyone come across this issue and have any suggestions as to the solution.

Thanks in advance.

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The fact that they all come on even briefly suggests that the wiring is Ok. The problem could be the relays in the car.

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Welcome and I agree. Factory fitted it may be, but seems like the car wiring is not right somehow.

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Yeah that's what I thought but I've tried the car with other caravans & trailer boards and they work fine. I've also had the van lights checked & they all work fine just not on the Kuga. I am perplexed. ..

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Have you tried your van on someone else's car?

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Just a thought, is either car or caravan using LED stop lamps and not the other? Could be some sort of incompatability.

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Possible conflict between LED lamps, Canbus and "traditional" wiring/bulbs.

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The existence of 4 brake lights on the 'van may be the issue, the car might see that as an overload and shut down

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I've had a similar problem recently. The problem was the plug. Took it apart and reassembled it. It wasn't making a full conection in the socket.

Anton

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Yes. Four brake lights is a big load. Try removing two of the four and see if the problem goes. Remember that most 'relays' these days aren't actually relays. They are electronic solid state switches with overcorrect protection (as mentioned already) If all four brake lights are 21W that's almost certain to cause the problem you are seeing with an electronic device.

 

If removing two fixes it, then maybe you have to think about putting lower wattage bulbs in two of the four. But take advice before doing this, as there may be some good reason your van has four.

 

CANbus is a red herring. Bulbs aren't on CAN in spite of what many ebay vendors claim.

Edited by lowedb

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If taking two bulbs out resolves the issue try replacing the two top ones with LED equivalents

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My Galaxy with factory fit towing module is fine with my P2 and four brake lights.

 

This may have been discussed here before or on one of the Ford owner forums. .. I'll see if I can find it later today.

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It has to be a Kuga specific problem. Our Bailey, in common with most of them, also has 4 brake lights and has been no problem with two different tow cars.

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My Galaxy with factory fit towing module is fine with my P2 and four brake lights.

 

This may have been discussed here before or on one of the Ford owner forums. .. I'll see if I can find it later today.

Ah it was on the fordownersclub forum and the OP had the identical problem with a Pegasus. He made two posts . .. and nothing more was heard from him after the second on 6th February. .. http://www. fordownersclub. com/forums/topic/66871-ford-kuga-towing-electrics/

 

So, sadly, I can't offer a solution - but Ford Technical should be able to assist your Ford Dealer in finding a solution to the issue under Warranty.

Edited by Rodders53

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Remember that the towing electrics kit may not be the same for Kuga and Galaxy, as the Galaxy has a very strong link to the VW versions (Alhambra and Sharan).

 

If U2s have 4 brake lamps then Skoda Superbs are happy with it too. Can't say I've ever noticed as I'm on the pedal whenever they are on!

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If U2s have 4 brake lamps then Skoda Superbs are happy with it too. Can't say I've ever noticed as I'm on the pedal whenever they are on!

Have you ever pressed the pedal and run really fast to the back to check?

 

:P

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Remember that the towing electrics kit may not be the same for Kuga and Galaxy, as the Galaxy has a very strong link to the VW versions (Alhambra and Sharan).

Not for almost 10 years they haven't ;) MkIII Galaxy (as per my two) from 2006-> present day is a Ford only re-design. S-max shares most bits with it.

 

But agreed the towing module could well be different between the two vehicles. .. and Kuga may well have LED rear lamps (as does the latest S-max)... my Galaxy only has led rear side lamps I believe (poss also the high level brake).

 

BUT I reckon Ford should know how to make the Kuga compatible - as many other Ford models are - with the Bailey 4x21W brake lamp arrangement. .. Otherwise it may be a need to change some bulbs to led on the caravan (but which brands of led are road legal?)

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Have you ever pressed the pedal and run really fast to the back to check?

 

:P

Yes. But the brake lights were never on. But then I don't run very fast and a Skoda Superb plus a U2 Vigo is a long way to run.

Not for almost 10 years they haven't ;) MkIII Galaxy (as per my two) from 2006-> present day is a Ford only re-design. S-max shares most bits with it.

 

But agreed the towing module could well be different between the two vehicles. .. and Kuga may well have LED rear lamps (as does the latest S-max)... my Galaxy only has led rear side lamps I believe (poss also the high level brake).

 

BUT I reckon Ford should know how to make the Kuga compatible - as many other Ford models are - with the Bailey 4x21W brake lamp arrangement. .. Otherwise it may be a need to change some bulbs to led on the caravan (but which brands of led are road legal?)

Is it really that long. I know there's a new Galaxy but honestly would have said two or three years! I'm really out of touch!

 

I'm not sure how it applies to caravans, but technically a LED replacement can never be legal as a bulb replacement on a car. If the lamp was type approved with a bulb, then only a bulb can be used as a replacement. I asked a car lighting specialist and this is what he told me.

Edited by lowedb

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I looked at the back of our U2 Vigo, and didn't see four brake lamps. Two tail, two stop, two fog, two reverse and two DI, plus the centre high stop. Of course I didn't see them on but my lamp checker said there were only two as well.

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Posted (edited)
On 21/04/2015 at 21:14, Ajal2011 said:

Can any one help me with a problem I am having with the brake lights on my 2011 Bailey Unicorn Seville.

I have just upgraded my tow car to a 2015 Ford Kuga with factory fitted towing bracket & electrics. All the lights on the van work apart from the four brake lights which will flash once & then not work.

Has anyone come across this issue and have any suggestions as to the solution.

Thanks in advance.

i know this is an old thread but ive got the same problem with my caravan and 2015 kuga if you take one brake bulb out the other one works same vise versa on the other side put both in they blink once then nothing none led and only 2 bakes lights.

did you ever get it sorted if you don't mind me asking 

thanks 

Edited by arty 25

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I’ve got a similar issue with the caravan side lights(Unicorn 2) was ok in the summer but now not working. Tried reconnecting & still no joy. Had to put the fog guard lights on as weather on the M6 Thursday north of Staffs was dreadful. I’m going to take the plugs apart & check the wiring as one poster did. Will get it done before I go home. Could possibly ask someone on the site to connect there car to my caravan. 

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Does the car need putting on a computer and programmed so it knows when a trailer is connected ?

 

Has it been fitted with a dedicated wiring loom or relay ?

 

Dave

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It was fitted back in April & has been ok till now. It was a universal loom fitted by a mobile company. My car - 2014 Sorento-doesn’t have canbus type wiring, no light failure warning system on it. I took the plug & socket apart & checked all for tightness. Tried it again & no change.  With the engine off the side lights work, start the car, the side lights give a quick flash then go off. Brake, fog gauged & indicator lights all work. Very odd, I’m on a caravan site at the moment, will see if I can get someone to connect there car to my caravan. 

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