eggroller

1) Yes, the circuit board is a part of the LED unit and comes with it all assembled.
2) I switched to the Red. No issues with brightness in my opinion. Perfect. Until they died. Flicker on and off. I returned them under warranty.

Thanks for your 2009 post on replacement of instrument cluster bulbs. I'd appreciate your help on two questions:
1. Does each LED come with one of the printed circuit boards shown in your photo?
2. You mentioned that the cool white bulbs you installed in your car were too bright. Did your friend with the red bulbs have the same issue?

Thanks,
Ken

Yes, it is just a remove and replace operation for the installation of the LEDs.

Hello there, I've been reading over your posts on changing your dash lights from the old burnt out bulbs to LEDs. Is there anything else you have to do other than take the old bulbs out and put the new ones in? The LEDs look completely different so I didn't know if there was anything else I needed to do. Thanks for your help

Brett