What he was saying was that his home computer is slow and he can't use the search function to get an answer for his flashing battery light in his car...I think.
But, just unplug the voltage regulator and make sure the conections are clean.When the plug is reinstalled make sure it is nice and tight.
Do the same thing with the alternator connections.
This particular alternator and VR set-up is well-known for poor electrical connections. You may get lucky!
And about the above post: The VRs used in these cars are electronic and have no moving parts. Exactly what 'brushes' are you referring to?