T-shooting MSD 6AL 6425

So I have a 6AL that worked fine last weekend. Went to the shop to button up everything after installing the inner springs. Went to start no fire, no error code, nada...
I've triple checked the battery feed, the ground and the 12v switched signal everything is correct ( 12.5v). Red LED does not blink, come on or do anything.
This unit has worked flawlessly until yesterday and MSD's guide assumes that you can see the flashes.
Any help would be appreciated... I'm to the point of thinking about putting a for sale sign on it as it is bleeding more $100 bills than boat, a stripper for a girl friend together!
Thanks

I bought one for 10 bucks off an auction site to find it didn't work. Orange wire was pinched and cooked inside. Quick fix... carrying as my spare in the Dart glove box now.

dadsbee said:

I bought one for 10 bucks off an auction site to find it didn't work. Orange wire was pinched and cooked inside. Quick fix... carrying as my spare in the Dart glove box now.
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Thanks, mine has the weather pac type connector... power is all verified at it.

MSD offers an in-house repair service. Last time Billy sent one in (a 6AL), the tune-up was fifty bucks.