Ever pulled your ashtray? 3 screws and the bracket comes off. Can grab the clock pigtail through there if you dont want to pull off the 4 heat lever knobbers then the faceplate. Hell I wouldnt consider it tearing apart the dash, not even any screws involved in the heater cover removal. But if you really want to know which prong on the back of the clock is what...then I suppose I can tear my dash apart to document which color wire goes to which terminal on the clock. To me it sure seems alot simpler to just have you plug it into your exiting factory wiring for testing purposes. Hell, and think of it this way...if it works mount it right there and then and be done with it. <img src="/forums/images/graemlins/kewl.gif" alt="" />. No way for anyone to tell what each individual connection is what without having to tear into theirs themselves. Should take you all of 10 minutes to do.
Not trying to sound like a dick about it, but if you look at it from a different point of you...its even easier than changing spark plugs. This much I can tell you, green is from the dashlight circuit, it dims the display when the lights are turned on. Brown is the ground wire.
~Darin <img src="/forums/images/graemlins/baby.gif" alt="" />