Your car’s electrical system includes the starting motor, battery, and alternator. In most cars the system reaches farther than that. At the very least, the battery supplies electrical current for the starter to turn the engine, and the alternator supplies current to recharge the battery between starts. After starting the engine, the battery and alternator provide current to electrical accessories, like the stereo, dash panel, air conditioning system, headlights, and more.
Whether you need to diagnose a tricky electrical issue, add a new accessory to your vehicle, or you just want to learn more about how your car’s electrical system works, we likely have an article to related to the job. Browse vehicle electrical articles and find out what it takes to do the job right.