Nja you have to see if the coals are worn out. Moisture often gets inside the oil sand. It's for all cars. It is necessary to open, clean and change the carbons and clean the contacts.
When you attach the positive to one side of the wire, test the other side of the wire to make sure you are getting power for sure. If you are getting power then the selonoid may be bad. How old is the car and how many miles?
Hey genius, the starter was already bad hence why I took it out of the car. It gets stuck so I banged it and it worked for a little but too old, worn and rusted.