Help! Alternator/Voltage Regulator >:[

Fully charged battery 12.65- 12.7 volts .. Charging voltage 13.8-14.2 across battery .... You need to monitor amps and volts at alternator and at battery ... on B+ cable at idle and 2000 rpm with accessories ON ( including fans )....
1. High resistance in cable between alt and battery Pos cable .
2. Battery capacity to small
3. Need to see what amp output is .