Home > In Car Electronics > Trailer Light Issue Help Needed Quickly! |
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muddybaldboy Member Since: 09 Apr 2012 Location: Ruthin Posts: 395 |
13 or 7 pin plug? He who dies with the most toys...wins!
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14th Aug 2014 6:50pm |
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shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 |
Sorry, standard 7pin plug
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14th Aug 2014 6:52pm |
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CarlW Member Since: 21 Sep 2010 Location: Lanarkshire Posts: 53 |
Were the lights on the trailer board LED by any chance - particularly the flashers - if so possibly not enough load being taken to trigger the light on the dash
Carl MY11 110 XS Station Wagon in Stornoway |
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14th Aug 2014 7:00pm |
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mrd1990 Member Since: 16 Aug 2012 Location: Wales Posts: 600 |
Check the indicator bulbs on the board and on your vehicle. They should all be ~22w and not 10w as some trailer boards have, you could try your rear indicator bulbs in the board if you are not sure.
The trailer warning light will only flash if the current is above a certain amount. |
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14th Aug 2014 7:08pm |
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shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 |
The Trailer Board was standard filament bulbs, it was however brand new so maybe not enough resistance but even so I would have thought it should have illuminated.
Is there any way of checking it because I don't want to turn up and it not work and have to go home |
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14th Aug 2014 7:12pm |
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Waldo Member Since: 18 Jul 2010 Location: Bit South of Manchester Posts: 240 |
I didn't think it was supposed to be lit at all times??
Mine flashed with indicators or hazards... It was fine for the test, they didn't even check thinking about it (I only did the test last month) Defender 90 XS TD5 (03 Reg) |
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14th Aug 2014 8:21pm |
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Spruce Pirate Member Since: 08 Feb 2013 Location: Stirlingshire Posts: 124 |
Can you try it with another trailer board? Should let you know if the problem's with the vehicle or the trailer board you used. Dirty Deeds - Done Dirt Cheap
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14th Aug 2014 8:27pm |
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shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 |
Will see if I can get access to another trailer and give it a go on something a bit older.
I'm 99% convinced its because it was a brand new trailer board, but again it shouldn't make a difference. Just to clarify. No trailer attached, indicate >> Trailer light flashes once then extinguishes, indicator light flashes in time with indicators = all working fine Trailer attached, Indicate >> Trailer light flashes once then extinguishes, indicator light flashes in time with indicators = indicates trailer indicator not working. Trailer attached, Indicate >> Trailer light flashes in time with indicators, indicator light flashes in time with indicators = indicates trailer indicators working. My problem is: Trailer attached, Indicate >> Trailer light flashes once then extinguishes, indicator light flashes in time with indicators = indicates trailer indicator not working though trailer lights are working. |
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14th Aug 2014 8:58pm |
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muddybaldboy Member Since: 09 Apr 2012 Location: Ruthin Posts: 395 |
Defo sounds like current draw is too low. Check the bulb ratings.
Out of interest, anything different with the hazard lights on? He who dies with the most toys...wins! |
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14th Aug 2014 9:21pm |
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shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 |
When hazard lights lit it uses the Trailer light as the hazard warning anyway so doesn't make any difference if trailer is attached or not.
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14th Aug 2014 9:31pm |
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Natlas Member Since: 20 Mar 2013 Location: West Sussex Posts: 460 |
Hi shaggy, I don't think you have a problem. My trailer light comes on once only with the first flash then its only the normal internal indicators that show. I think that's normal, at least it is on mine, all standard wiring and bulbs.
Cheers, John. 2.2 90 XS 88" Series One Old Norton Minerva |
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14th Aug 2014 9:37pm |
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shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 |
John, that's what mine normally does and is correct operation for driving with no trailer attached.
However, when I plug in a trailer board I borrowed from my neighbour the same happens where it should show the trailer light as well as the indicator light to show trailer lights are functioning. |
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14th Aug 2014 9:44pm |
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munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 |
should flash once with no board , should flash with board connected with every flash of board lights
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14th Aug 2014 9:45pm |
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Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6611 |
Possibly a duff indicator relay not detecting the extra current draw? 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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15th Aug 2014 8:44am |
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