I have owned several 9600's and they all have at one point or another had the voltage light go off. The other day we were moving them 80 miles from our farm and the light kept going off later in the day when I would talk on the radio or push the header button, when we got there I shut the combine off and it started up so I know it was not draining the batteries. Also this combine shut off going down the road several times last year, the outside temperature was hot and humid, the other day it was hot and humid and it shut off once, what could be the problem with this. Thanks, Tim