- Check the battery cables and check the terminals for corrosion.
- Clean the corrosion and if you need replace the battery or cables.
- Check the wires to the starter and the solenoid for breakage, corrosion or cracks.
- Be sure your battery is charged enough to perform starting functions.
if you have done the steps above and still have problem starting your vehicle, then you have to change your starter motors and use a new one.