if i remember correctly, it should be the red one, but i would advise against pulling power from the ECU as it can/has been known to do weird things with it and other sensors. try a search on that and see what you can find.
USED TO HAVE...Everything you wish you had, and then some...
You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)