Jeff DO NOT SPEND 500 TO 600 unless you love to burn cash Give me a call and I will tell you how to fix and where to order your parts I have no vested interest in any company but my own Doctor office. 317 432 2883 What you will end up with is a simpler set up and everything works. You won't get stranded on the lake when the computer sticks it up your ...... as it seems fit My 454 starts so well and I have owned it 18 yrs Runs perf and smooth You don't need skidim for this though they were helpful to talk to. This is the free education you need. Kevin