you shouldn't need resistors if you wire them into the already in place system. you will however need them if you remove one of the bulbs and replace it with the led strip/bulb. most places sell bulbs with proper resistors built in. Good sites for LED's are
personally I have used all but vleds, and they work well, great customer service, and fairly priced. Oznium ships pretty fast too and will answer any and all of your questions
Rally Revolution #43
Originally Posted by matmatician
Not the bear the zoo deserves, but the bear the zoo needs.