Home › Forum › Ask A Member › mercury 7 1/2 hp › Re: mercury 7 1/2 hp
June 30, 2017 at 12:56 am
#60621
Dave,
I have never found drawings on much in service manuals. Bet the scr was rated @ 70% or less. It is the main electronic switching solid state device. A few guys at Johns old merc have reverse engineered many switchboxes. When smoke tested the scr fails, then control ckts.