Male Electrical plug by driver door
I am new owner of used Seneca & have 2 questions.
1. If i plug in my coach electricity, it will charge house batteries. Is there circuitry to charge chassis batteries located below the drivers door?
2. Mine does not. So bought a Battery Minder & connected to chassis batteries. Then noted a flip cover below drivers door which has a 15amp male plug in it. I ran extension cord & measured voltage on batteries, saw no change. So it does not feed a functional battery charger. Anyone know what this is for?
Will Google it more tonight.