Yes it can, especially on older cars that aren't equipped with a battery saver program on board.
Yes, if the relay was stuck it would drain the battery.
Yes if it is stuck closed.
its the fuse
Yes if it is stuck closed.
Dead cell in the battery. Something on which is drawing power from the battery. Stuck relay.
Dead cell in the battery, any light on the car that is staying on, or a stuck relay.
A dead cell in the battery will cause it to loose it's charge overnight. The only fix is to replace the battery. Any light that is staying on will drain the battery. Also a stuck relay will drain the battery.
Anything pulling power from the battery or a battery with a dead cell. Can be a dome, trunk, under hood light on, or relay stuck,
There is something on that is pulling power from the battery. Any light or any relay that is stuck will drain the battery.
Dead cell in the battery, or parasitic drain from a light that is on or a relay that is stuck.
Dead cell in battery, a light is on somewhere on the vehicle, or a relay is stuck.
I had to make a phone call from my car and the Cell phone battery went dead . I had a cigarette lighter variable charger cable and set it on 3 volts. Then I stuck a pin in the positive side hole of the cable end . I took the battery out found the positive and touched it with the positive Pin I had stuck in the cigarette lighter positive cable end hole I took another wire connected it to the outer end of the metal cable end and touched the negative of the battery just enough to make a phone call . You can also charge a cell phone battery with two 1.5 volt flashlight batteries in series ,a couple wires and scotch , tape .if you understand polarities