[mssl72]

That may be a tough thing to track down. My old Craig PowerPlay stereo had a plug like that. I don't know what that style of connector is called. Maybe somebody here might have something laying around from an old car. If not you could resort to removing that plug and buy a plug set that will accommodate the wiring. The wiring is documented on top of the unit so, knowing what's what isn't a problem. I would probably end up doing that. I know it wouldn't be original, but...