Thanks, that Tachometer drawing helps. The old setup did not have a tach but the yw/red wire appears to have supplied power to the hour meter (which I just replaced and now might not be able to use). That seems to mean that in the older motors, the pink wire btween teh oil pressure switch and...
Older yamahas circa 2000 ran a yw/red wire from the wire connecting the oil pressure switch to the CDI. That went to the Blue wire in the remote harness. While what appears to be a similar switch and CDI are present in the current motors, the yw/red wire is not present. In the old Yamaha...
Boscoe, I read your 2017 bost about installing a diode to power a meter/light. I was thinking of a more automotive solution and figuring out how to use a relay. The inductive meters/tachs are not practical as the motors are in wells and the boat, a 36 ft. cat, operates from a console. Don't...
I am geting new t9.9s for my cat which has an hour meter which I beleive gets it's power from teh wire coming off the oil pressure switch on teh older models. THe newer ones do not have a second connector on the wire but I was wondering if teh old wire could be sued and run teh meter that way?