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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

10-05-18, 12:55 PM	#17
andya Senior Member Classic Audi Club Member Join Date: Aug 2010 Location: Hampshire Posts: 1,149	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 __________________ 1985 Coupe Quattro 1986 Coupe 1.8 weber carb 1987 Coupe 2.2 GT Last edited by andya; 10-05-18 at 12:57 PM.