headlight/charging issue ??
When driving with lights on, after a couple hours, the lights dim, and then go out. Engine continues to run. Alt gauge shows charge near 26. If I leave all three battery disconnect switches on, overnight, battts are to low to start engine. All batteries are new. Have NO idea how to access Alternator. Notrap door under bed. This is an 86 3axle 102" with 8V92........Ima rookie....all suggestions welcome....my wife already said 'have a stiff drink and call a good mechanic'....LOL
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