Hi Guys,<br /><br />I have a 91 evinrude 225. Apparantly I have an old OMC tacho. It used to work, but hasn't done very much lately. It will 'twitch' when you turn the key on, but that's it. <br /><br />I bought a manual, but there is nothing on the tacho (figures)...<br /><br />Can somebody give me an idea about how this thing works? I have a good multimeter, a soldering iron and a basic understanding of electronics, so if you can let me know what is supposed to connect to where, I'll have a go.<br /><br />Cheers,<br /><br />Tim
