What year ECM is best for “stand alone” hookup for 2014 cummins isb 6.7 engine? Current ECM cooked. Its a factory 340 hp engine. Looking to do a complete delete and put in a 2006 truck. 2nd question: 2014 Allison 2500 MH 6speed trans with push botton shift, but prefer to have Manuel cable shift and stand alone harness. Any suggestions?