Ok here it goes! I have a 82 90hpjohnson that was manual lift, took PTT off 78 115 and installed on 90hp! recently wired up fishfinder and noticed 17 volts @ 3/4 throttle! WOW! Read some threads that 15-16 is normal for unregulated! Took rectifier off old 115 voltage now @ 12.5! My...