12.5V at the battery is basically a full charge. If the 12V lights, including the ones in the underside compartment, don't illuminate, then look at the disconnect switch or the self-resetting circuit breakers.
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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