1969 E Type Jaguar with charging problems.

[slyfox]

is the alternator outputting the right amount of amps?.

is anything on the car non original, anything electrical it doesn't matter what it is.[/QUOTE]

Headlights are 60/55 watts non original. Radiator fan also non original.

 

[slyfox]

Battery good at 13.1 volts, at 2000 rpm voltage slowly climbs to 14.5 volts. What would cause the rise to be slow, about 3 mins to reach 14.5