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Will an auxiliary battery hurt a vehicle's alternator?
So is the alternator "disengaged" or something when the car battery is fully charged and there's not much power draw from electronics in the vehicle? I was thinking the alternator was "always on" and always generates a fixed amount of power, hence my comment about that power being "wasted" if unused.
Does a snapped in half lug nut stud need to be replaced if a nut still goes on?
@Paulster2 It's a rotor brake. Apparently to replace the stud, the hub has to be removed, pressed apart to swap the stud, then pressed back together.
How do I know if I need new brakes?
Thanks for your answer! Is a "Brake disk" the same thing as a rotor?