Gotcha. I was planning to buy kit that comes from mopar performance. That’s what I’m not sure how it plugs into stock under dash harness. I haven’t seen any pics of it on here yet.With Matt’s 6.4 he’s using the Mopar performance engine controller and wiring harness to run the fuel injection system. Some people use Holley systems or others out there. That was my reference to engine management.
Cliff Ramsdell