John deere 7830 electrical issue

John deere 7830 electrical issue Problems

My John Deere 7830 has an electrical problem throwing codes cab158.03 and clc158.00.The voltage reading on the panel is 13.5v but intermittently goes to 16v.The lights dim when this happens.Now it is happening more often once 2 or 3 minutes.What could be the problem?

The problem was the bosch alternator voltage regulator.I changed it and the voltage remains constant 13.5-13.7v.

John deere 7830 electrical issue 1
electric system
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