Re: Airguide tach wiring?
I have an unused Airguide Series 20 Model 2030 that was for the 1980-82 60HP with 5 Amp Alternator and 1977-79 55HP with 5 Amp Alternator.<br /><br />The reason that I am answering is that I have the instructions and they may be of some help.<br /><br />As expected, the rectifier display is of an unregulated 4 wire, common at the time. <br /><br />The tach has a black wire and a yellow wire. <br /><br />The Tach Yellow Wire was connected with the yellow and grey or yellow and blue wire from the rectifier at the terminal block. If you have a control, a grey wire for a tach may already run from this point to the control where you could also connect.<br /><br />The black wire went to the engine ground. <br /><br />A separate light fixture was included with these tachs, with its own two wires, but it was not necessary for operating the tach.<br /><br />If your Airguide Tach has fixed wiring of Black and Yellow, it most likely will work in the same way.
