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Hi All. I have got a real puzzle. The volt meter (analog) on my dash when cold reads just under the 14 volt mark. As it warms up it drops eventually to just above the red zone. I have changed out all my cables with heavy duty cables, cleaned all grounds I could find, being that both were old anyway, changed alternator and battery for top pole battery., swapped out Ecm (swapped back), and still the same. Here is the real puzzle for me. I have checked with my multimeter the continuity of the battery cables and when running, tested the volts. With multimeter everything is good to go and reads 14 volts. So guys, what do you think?