Lamps burned out: was the indicator working faster that normal before it quit? Check the fuse block after you know you have good lamps. Last item would be switch.
The most likely causes are a burned out lightbulb or a blown fuse. Check the fuse first to see if it needs replaced. If it is okay, then check/replacehttp://snippets.com/mod/answers/answer.htm?id=72149&plag=1 the lightbulb. If it still won't work it may be a problem with the signal control.
Either you have a bad switch, a blown fuse, or a blown bulb. Get a repair manual and start going over the electrically system. Check for broken, burned, or loose wires.
