Originally Posted by funola

3 minutes of glow time is not normal. I had to deal with an intemittent charge issue for about a year. I replaced the voltage regulator which worked for a while, then it would charge intermittently again, then I found the 3 pin harneed connector where the spades was loose and not making good contact. I always wanted a higher amperage alternator so bought a new one for $100 and have been trouble free knock on wood since.

Pull out your 3 prong connector and stick a single spade in each of the connections and if any feels loose, there's your problem!