ongradeex Posted January 5, 2015 Share Posted January 5, 2015 Hi,the voltage keeps fluctuating from 14-16 volts. I am going to check batteries first. Any other ideas?? Thanks Quote Link to comment Share on other sites More sharing options...
wheeler73 Posted January 6, 2015 Share Posted January 6, 2015 I have seen quite a few alternators cause this. Check all battery, ground and power connections. Make sure you check the frame ground inside the left frame rail by the engine and the power and ground connections on both sides of the cab pass through by the steering column. I have seen a lot of the above loose and causing voltage fluctuations. Quote Link to comment Share on other sites More sharing options...
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