they should run with the 12$ "blue grommet box" from any parts store.

if it is one of their "ready to run" dist then the box can be bypassed to run without...

For what it's worth... I had a boat with 500 EFIs in it that had the marine MSDs on it. However, the man that had installed them had done it in such a way that it retained the factory ignition, and by swapping a pair of 2 wire connectors on the back of the motor you could go back to the factory Merc stuff. Saved me once when one of the MSDs took a crap. Alexi and BoostPower set them up that way, so I'm sure if anyone had a question as to how to do it they could drop him a line.

Quit posting on here and get back to work on your boat. If you spent as much time working on the boat as you do posting you maybe could have been on the water this weekend.

Well, put a new alternator on and new MSD box and the boat ran perfect. The boxes blowing were only a symptom of the real problem. I would recomend to anyone that blows a box to check their voltage both on the main power wire (big red wire) and the keyed hot wire (small red wire) before putting a new box on. Probably would have saved me a MSD box. MSD says any significant difference in voltage in the two wires will blow them.

Important part is I'm back on the water!