New board , new ignition , new plugs , every ground under seat reworked !! I guess next time I have the tank off will flat wire plug that goes to it that's about all that is left ? Any thoughts 06 k9 with wp
Read through this
I don't know how or if the wireplus interferes with the tach signal the way the EHC did.
But you clearly have a signal or power issue to the board.
Check the power supply to the board with a meter.