Re: 2005 Yamaha F150 digital tach switch settings
they set up the tach for 2 or 4 stroke,2 or 3 wire trim sender and 6 or 12 pole altenator,
as far as up or down I aint gotta clue and neither does whoever you talking to.
the switches are either on or off and they are labeled.
yours sw1 is on,sw2off and sw3 on