Spotted a funny thing today in the garage. Walked by the car with the hood up. Car is turned off and I have a battery master kill switch which was turned off so no power in the car and the indicator light on the msd box is blinking away like morse code! The box is wired exactly as per the instructions, has been in the car for two plus years and I have never seen this before. Thoughts? Ground issue? I disconnected the positive battery terminal and the light goes out of course as the main red wire comes off that post as per the instructions. Reconnect the positive cable light flashes then goes out. Stare at it for a while and nothing. Walk away, come back 10 min later and sure enough its flashing again! ?????