a question on brake lights.

So far as the resistors, if you are gonna do that you might as well stick with bulbs. A 6 ohm resistor is almost 33 watts !!!!! at 14 volts.

Some of you guys should Google "Ohm's law" and the "power" formulas and learn to use them

Ohms law pie chart:

https://www.google.com/search?q=ohms+law+pie+chart&num=30&newwindow=1&source=lnms&tbm=isch&sa=X&ei=8h8yU9uzJsP5oASS8YGQAg&ved=0CAgQ_AUoAQ&biw=1252&bih=611#facrc=_&imgrc=Vf9rUBo-7EXJ1M%253A%3BVWhC0M4TuoRiLM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252F7%252F78%252FOhm%27s_Law_Pie_chart.svg%3Bhttp%253A%252F%252Fcommons.wikimedia.org%252Fwiki%252FFile%253AOhm%27s_Law_Pie_chart.svg%3B1000%3B1000