CDK - In respect to the 'W' terminal only from the alternator what would be the AC and the DC voltage reading you would expect to see under...
I checked the AC volts at both the alternator and tacho. It measured 16.0 volts ac on both. When I applied the load it varied by about 0.4 volts...
Thanks for your thought but I have 2 alternators and they both do the same. The tach is reading something but only under a big alternator load. I...
My boat was purchased from a deceased estate and the tacho has never worked for me. It is a diesel motor and has a 1970/80's 4.0 inch VDO with no...