2008 gmc 4wd with work truck package and plow prep with dealer installed fisher plow intermittantly stalls when going from R to L sometimes in the middle of the highway. I am running lights, 4 way, beacon. I have also noticed that the voltage level gets quite low after using the plow for a short while (10-15 min.) and the problem seems to occur at this time.
It sounds like your draining your battery with all the accessories. It could be a loose alternator belt or that the belt is just getting wet and slipping or your alternator is not up to the job!
Try going to a good auto parts store like Advanced Auto and ask them if this could be the problem. They may be able to swap up your alternator to one that can handle the load!
Good Luck!
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started over heating while plowing snow never had the problem before
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