OK MM,
It looks like I'm not getting 12v to the board. I tested pin 3 on U20. Same readings as U16 & U17....
Pin 3 on U18 & U19 are reading 12.1v!
Sooooo
I will have to check that pin 3 on U20 should be getting 12v also...Maybe there is a break in the 12v before U20?