Don't diddle around with LEDs - Just remove the bulb - read what it says on the base and go get another one.......PROLLY - at Walmart or Autozone.........OR any other auto parts store....!!tomfelock said:The rear brake light bulb on my 2009 400 has burned out so what bulb should I buy to replace it and if there is a better bulb - maybe an l.e.d. one - what is the part #,make, etc. & where can I get it? Thanxxxxxxxxxxxxxxx.