I have a 1971 penn yan with a 302 merc. put new gauges in it. Now every time I give it gas I lose volts I can watch the meter go from about 12 to 0 every time I give it gas ?
I just found a 1982 sea ray that has been sitting for 6 years engine is seized sprayed fogging oil in cyl's trid to free up any other sugguestions???305 v-8 merc