Contour Enthusiasts Group Archives Forums Modifications Aesthetics Please help with LED mod.

Here is an excellent LED calculator page (also has other info): http://www.eatel.net/~amptech/elecdisc/caraudio.htm Just scroll down to the calculator and you can enter your values, and it will tell you what size resistor is best for the current flow you want to draw (I wouldn't go over 15-20mA on most LEDs unless they will be mounted in a cool area that doesn't get too hot). You can get the LED forward voltage spec. off of the package that the LEDs came in