I have a 2008 Tour Master 40F Gulfstream that has charging problem. The 2-12 Volts seems to be drained to 11.91 volts after running the engine, The Voltage guage reads 11.61 or slightly below that. display indicates low battery voltage, battery tested good. Trying to figure out the problem, may be the alternator. Battery will hold a charge until the engine is running. the engine idles high and will idle normal of you press on the brake. Once you release the pressure on the brake it idles high again.
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