smitht82
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| posted on 17/10/12 at 05:02 PM |
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Brake light issue
I've fitted a set of rear LED brake light bulbs and when I turned on the lights they were on full power (like when your foots on the brake).
I've then put the normal bulbs back in and now these are on full. I'm confused and wondered if anyone has come across this before or knows
what it might be??
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renetom
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| posted on 17/10/12 at 05:13 PM |
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brake lights
Hi
Is your brake switch working ok, maybe stuck ?
Good luck
René
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Madinventions
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| posted on 17/10/12 at 05:52 PM |
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If it's a mixed stop/tail bulb, then make sure you've got them in the right way round otherwise your brake light (brighter one) will be on
instead of tail lights. The bulbs are normally vaguely polarised with the two little pins at different distances up the side of the metal cap, but
they can be put in the wrong way round quite easily.
Try just taking the bulb out, and then put it back in rotated 180 degrees.
Ed.
Mojo build diary: http://www.madinventions.co.uk
Solo music project: Syrrenfor http://www.reverbnation.com/syrrenfor
View my band website:
http://www.shadowlight.org.uk
http://www.eastangliankitcars.co.uk/
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smitht82
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| posted on 17/10/12 at 09:20 PM |
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Think I've tried 180 degrees already but will check again over the weekend - cheers
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smitht82
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| posted on 23/11/12 at 01:19 PM |
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right, i've checked everything on the car and now think its the pressure sensor thats failed. Going to order one from MK and see if this fixes
the problem.
(Note to self - don't fit LED bulbs again!)
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matt_gsxr
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| posted on 23/11/12 at 02:38 PM |
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Brake pressure switches are a well known point of weakness. Often requiring a lot of pressure to switch, but also breaking.
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steve m
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| posted on 23/11/12 at 04:17 PM |
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IMHO, i would ditch the pressure sensor, and fit a normal switch on the peddle
but is the pressure switch and IVA must have ??
Steve
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britishtrident
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| posted on 23/11/12 at 04:25 PM |
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quote:
Originally posted by smitht82
right, i've checked everything on the car and now think its the pressure sensor thats failed. Going to order one from MK and see if this fixes
the problem.
(Note to self - don't fit LED bulbs again!)
It sounds more like the bulbs are incorrectly fitted or the wires swapped over.
Do a simple test what happens when you pull the wires off the switch ?
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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adithorp
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| posted on 23/11/12 at 04:47 PM |
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quote:
Originally posted by britishtrident
quote:
Originally posted by smitht82
right, i've checked everything on the car and now think its the pressure sensor thats failed. Going to order one from MK and see if this fixes
the problem.
(Note to self - don't fit LED bulbs again!)
It sounds more like the bulbs are incorrectly fitted or the wires swapped over.
Do a simple test what happens when you pull the wires off the switch ?
Agreed... or you've got the wrong sort of bulbs. Have they got two contacts on the base? Twin filament stop/tail bulbs should have. If you put a
single contact bulb in you'll get what you describe.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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smitht82
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| posted on 23/11/12 at 05:04 PM |
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Hi All,
Wirings still all the same as when it was previously wortking as i haven't touched this. I literally just put LED Bulbs in and then it went
wrong. The Bulbs are twin filament and i've tried both LED and Normal Bulbs round both 180 directions. This is what is leading me to think the
switch has failed but my only concern is that i would have expected the brake lights not to be on instead of appearing like the pedal is fully pressed
(both filaments lit up). ??
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garybee
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| posted on 23/11/12 at 05:08 PM |
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Have you tried removing one of the cables from the pressure switch as suggested above?
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smitht82
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| posted on 23/11/12 at 05:11 PM |
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I completely missed that bit. I'll give it a go tommorrow and report back 
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