How To: Troubleshoot the wiper motor and switch on your automobile

To determine what is causing your windshield wipers to malfunction and not work, it is important to investigate the wiper motor and switch to determine if either is causing the problem.

This guide uses a Saturn S-Series as an example. Before you can begin working on your car's windshield wiper, you will need to remove the plastic piece at the base of your vehicles windshield.

Be sure you have a multimeter ahead of time so that you can check to make sure the proper voltage is getting to your connector.