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-   -   UR GT dash switch bulbs (http://www.classic-audi.co.uk/forum/showthread.php?t=37872)

andya 04-01-18 02:52 PM

UR GT dash switch bulbs
 
Bit of a random one - in the dash switches, there is a tiny bulb. I've got 3 dud ones. Anyone know where to get these replacement bulbs? I've tried the obvious places - gsf, eurocarparts, and other auto factors - most look at you with blank faces...

Thanks in advance.....

hotsnot 04-01-18 03:19 PM

I'm having a similar problem need bulbs for VDO gauges and heater control panel. I've think I've found the right ones but not sure - 286 bulbs?

andya 04-01-18 04:38 PM

I've got myself one of those 286 bulbs - it doesn't fit, its bigger than the original.

simonthemedic 04-01-18 05:13 PM

I have bought them from Maplins in the past, it's a small capless bulb, can't remember whether they plugged into the switch or I bent the small wires on the bulb and soldered them in. Later I replaced all the ones in my B2 with Led's and series resistors, fit and forget

andya 04-01-18 05:59 PM

Yes your right, a replacement bulb would need to be soldered in. I guess Audi's idea was for you to simply replace the whole switch if that bulb went. We don't have that option nowadays!

I'll try maplins - cheers for that

Ringmaster 04-01-18 07:53 PM

Andya,

May I ask, what shade of silver do you have on your wheels, as pictured in your Avatar?

:tup:

andya 04-01-18 08:03 PM

that avatar pic is my old coupe I had a few years back. I did find out the paint code prior to getting them refurbed - I'll dig out the details.

andya 04-01-18 08:19 PM

I've remembered, and a quick google search to confirm - they were zermatt silver metallic LY7Y. I remember it well now, as the wheel refurbishers rang me up trying to find out the paint code after I had dropped them off. Minty on here brought them off me a couple of years back - if you want more pics, perhaps send him a line.

Cheers

Ringmaster 05-01-18 09:56 AM

Thank you Andya, that's been helpful...:tup:

20vcqdriver 05-01-18 10:21 PM

Quote:

Originally Posted by andya (Post 439301)
Yes your right, a replacement bulb would need to be soldered in. I guess Audi's idea was for you to simply replace the whole switch if that bulb went. We don't have that option nowadays!

I'll try maplins - cheers for that

I've converted to led :tup: though also have a stock of original bulbs too:tup:

andya 07-01-18 08:35 AM

I can't find those bulbs anywhere, so will convert to led.:tup:

andya 01-05-18 07:43 PM

https://imagizer.imageshack.com/v2/xq90/923/whxUus.jpg

Done it, all the switches converted to LED, and oh what a difference!!!

sinbin5t 01-05-18 07:45 PM

They look good :tup:

SwallownAmazon 09-05-18 09:59 AM

Quote:

Originally Posted by andya (Post 444865)
https://imagizer.imageshack.com/v2/xq90/923/whxUus.jpg

Done it, all the switches converted to LED, and oh what a difference!!!

From a bear of very simple brain in such matters :confused: - how did you do them and where did the LEDs come from? All mine in my B3 have packed up.

urquattr085 09-05-18 06:16 PM

Quote:

Originally Posted by andya (Post 444865)
https://imagizer.imageshack.com/v2/xq90/923/whxUus.jpg

Done it, all the switches converted to LED, and oh what a difference!!!

I'd be interested to know too please Andy. I assume bulb and resistor in series but if you have specs or a source? :tup:

I'd like to do the Ur switches.
Cheers
Geoff

Sie! 09-05-18 07:42 PM

Quote:

Originally Posted by andya (Post 444865)
https://imagizer.imageshack.com/v2/xq90/923/whxUus.jpg

Done it, all the switches converted to LED, and oh what a difference!!!

Those are excellent, I’d love to be able to do mine also... :idea:

andya 10-05-18 12:55 PM

Well what you need are the flat ended wide angle lens hi brightness type leds. Your have to fit a 1/4 watt current limiting resistor onto each individual led. The resistor value will depend on the led's voltage and current, the supplier should give you this info. If the brightness of the led doesn't suit (too bright) you can increase the resistor value

The led voltage will be between 2 - 2.5V DC. The supply to each led needs to be +volt and earth on the switch. Thinking more about the b3 (because I simply do not know), if the existing bulbs are wired in series in the circuit, or are linked to a dimmer, it could prove to be a PITA to get this mod to work! Hopefully it will be the same as a B2!

One of the switches I put back on the car mistakenly turned out to be one of my broken buttons. I'll find it tonight and get a photo of the inside so you can all see how it was put together.

Any questions do feel free to contact me

andya 10-05-18 02:29 PM

Just to follow on from above, the leds were brought online, they were 5mm diameter red hi brightness. They were modified to make them fit. Some sites do them with resistors too.

urquattr085 10-05-18 07:47 PM

Quote:

Originally Posted by andya (Post 445274)
Just to follow on from above, the leds were brought online, they were 5mm diameter red hi brightness. They were modified to make them fit. Some sites do them with resistors too.

Cheers Andy
Something like this??
http://uk.farnell.com/multicomp/mcl0...Resistor%20led

Geoff


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