Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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Right, let me try to explain this.
Put my morrettes in, sidelight on the near side wasnt long enough to reach for some reason, so decided to extend the wires - simple. Took some of the existing loom on the SXI and added it in.
Checked voltage, all was good.
I got the following -
BUT
Although I get voltage through A B C and D, the LED sidelight doesn't want to light up 
But if I swapped the LED to the offside, it worked.
The offside has the same voltage, and works fine.
Checked my fuses, all good.
Any ideas?
Thanks
Marc
[Edited on 08-01-2012 by Haimsey]
Marcy Marc 
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Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
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Bulb in the right way up? LED is a one way diode
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Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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Yeah, swapped it round, still nothing.
Marcy Marc
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Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
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Resistance on the earth cable from bulb holder?
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Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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What do you mean by that?
Marcy Marc
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Matty W
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Location: Ashton-in-Makerfield, Greater Manchester
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Your getting 12v (nearly) TO the bulb holder so you know that one is good. To check the earth you need to do a resistance check from the negative pin on the bulb holder, back down the earth lead to see if there is a high resistance
If the reading is infinite, it means there is a break in the circuit
Test at the negative pin with one probe and the back of the holder with the other, then at the back of the plug, then at point b, etc
[Edited on 07-07-2011 by music1990]
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Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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******** Update (sort of)********
Still got this issue  Been racking my brains trying to figure it out. I think i must be being a spastic.
Been out again, checked every fuse, theyre all fine.
Got the multimeter out again. I get 12.47v along the wires and 12.47v IN the bulb holder.
When i insert my LED sidelight i can reach the pins so teseted the voltage again. 0.74v
I dont understand where the earth for this bulb could be? It has a positive going one side and a negative coming out the other, that right?
Thanks for the help.
Marc
Marcy Marc
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Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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Could it be something to do with not enough amp's to light the bulb? Or am i chatting bollocks.
Marcy Marc
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merlokquest
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Registered: 15th Dec 10
Location: north west - preston
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try bending the terminals out abit on the bulb mate they might not be touch the sides inside the bulb holder
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Haimsey
Premium Member
Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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Its an LED style sidelight, it fits snug enough to touch the terminals.
Same as this.
Marcy Marc
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dragon2309
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Registered: 1st Mar 09
Location: Strood, Kent
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I take it you've tried a different led in that sidelight holder? If you're getting 12v from the pins inside the holder then the ground is fine.
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Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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Yeah, i swapped the led from other side over, swapped the bulb hoder over too.
They all work on the other side, but as soon as i switch them to the side thats playing up, nothing.
Marcy Marc
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dragon2309
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Registered: 1st Mar 09
Location: Strood, Kent
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Tbh, at this point, I would have stopped trying to find the fault, and just taken a spur off the + and - from the side thats working, grab a "new" sidelight holder from a scrappies and wire it in coming off the other side.
Will work fine, and will be garunteed to work, as the toher side is already working.
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Haimsey
Premium Member
Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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It did cross my mind, but tbf I don't see what could have gone wrong in the short space of me cutting a wire in the hope of extending it and adding in additional wire
Marcy Marc
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Darryl H
Organiser: South Central
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Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
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It could just be a dodgey socket?
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mattievRS
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Registered: 20th May 06
Location: Leicester
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Have you tried using the not working sockets in the working side ie hold the morette whilst plugged into the other side?
It does sound like a dodgy socket or intermittent earth though. Does the problem side have a relay in?
[Edited on 08-01-2012 by mattievRS]
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Haimsey
Premium Member
Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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I've swapped the sockets over from the working side, to the non-working side.
I even got another socket. That functions. But doest 'work' when plumbed in.
Got MOT next week grrr, I'm going to splice one from the drivers side over and bodge it for the MOT, then giving me a year to work out wtf is going on  hopefully!
Marcy Marc
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dragon2309
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Registered: 1st Mar 09
Location: Strood, Kent
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Nothing wrong with permanently running it like that if im honest, no MOT will ever pick that out as being wrong, as long as its sodlered and insulated properly, tie it into some of the loom so it looks standard, no one eould ever know
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