alternator/regulator

Hi my VS charging system warning light is constantly on when driving and flickers quickly when accelerating. Of coarse the light is to warn you of a failure in the charging system but, I have checked with a multimeter that it charges correctly at 14.1 V at idle and 12.64V with engine turned off...

It's a 3.8 auto. As soon as I drive it for more than say 15 mins and turn it off it won't start again just makes a "click" noise. I'm guessing this is starter motor related so I purchased a second hand part from a local wreckers which I haven't had fitted yet. At the old mans suggestion I...