I need help...Well I just swapped out a D16 with another d16 cause i blew my old one...Well I just changed the Alternator, battery, wire harness and made sure the connection was good.....but it still messes up like when i gun my car the battery lite pops up and the mph jumps like crazy and the RPM too....but now the brake like pops up and it flikers and the MPH and RPM doing the same hlep me please.....some said it mite be the voltage output....wtf is tat......well help plezse