Does AutoZone check starters and alternators?
Every AutoZone in the USA will check your alternator, starter, or battery at no charge.
How does auto zone bench test an alternator?
Auto zone bench test your alternator using a purpose-built test rig. The test rig will load test your alternator to ensure that it gives sufficient voltage output. Does AutoZone give you money for an old alternator? Yes, AutoZone offers a refund of what is called your “core deposit” if you bring the old item in for replacement.
Is it safe to test an alternator without a battery?
The alternator is a fundamental piece of the electrical system on your vehicle. Without it, your battery will very quickly run out of charge, and your car won’t start. Testing your alternator with the battery disconnected is not a safe method, and may damage your vehicle. In this brief article, we show you how to safely test your car alternator.
Can a battery be disconnected from an alternator?
Your alternator is part of an electrical system, including the battery and regulator. The battery acts as a buffer, reducing voltage spikes. With it disconnected, the alternator can produce 150-volt spikes, possibly damaging sensitive electronic equipment. Test An Alternator With A Multimeter
How to test your alternator with a multimeter?
Step-by-step guide to testing your alternator with a multimeter: Make sure your battery is fully charged. Use a modern trickle charger to ensure your battery is in the best condition possible. With the engine off, connect a multimeter to the battery terminals. Black to black, and red to red.
Why does AutoZone test the alternator and charging system?
Keep in mind, when you test your charging system while the car is running, or AutoZone does the same, the system voltage is being tested at the battery, and if it’s not getting a charge, the test cannot determine why. Either the alternator itself is at fault, or the wiring between it and the battery are.
What should I do if my alternator is not working?
The first course of action is to check the wiring carefully that runs between the alternator’s main power wire and the battery. A worn, loose, or damaged connector can cause a massive voltage drop. If everything appears fine, the alternator should be removed and bench tested, which can be done for free at AutoZone.
What does the battery light at AutoZone mean?
Protection for your purchases on batteries, hard parts, and more. More technicians trust Duralast ® parts, so you can install with confidence. What Does the Battery light Mean?
What can I check at AutoZone for free?
Check engine light on? We’ll check it and give you a free report. We’ll check your alternator, starter, battery and more. Check it before you buy it or bring a dead battery back to life. Borrow specialty tools for free.