We ve got everything you need to know to ta. Pop the hood and familiarize yourself with your starting and charging system.

Autozone S Free Battery Test What To Expect When You Go Clark Howard

This test may not pinpoint whether the alternator is bad or not but you can also remove the alternator from your vehicle and have it tested at the nearest autozone auto parts store.

Charging system test autozone. The first to check is the heavy charging wire from the alternator. Starting and charging testing and specialty tools for cars trucks suvs 15 off orders over 100 free ground shipping. After a couple of adjustments because the cables weren t connecting properly with my battery s positive and negative terminals the test began.

The whole reading took two to three minutes. 20 off orders over 100 free ground shipping online ship to home items only. Anyway while i was there i decided to test the battery.

Learn about autozone s free store services get trustworthy advice for diy auto repair and more. Either the alternator itself is at fault or the wiring between it and the battery are. Also you have several testing options that autozone can do.

Vehicle battery reading underway. A bad or leaky diode in an alternator is a very common source of overnight battery drain. 20 off orders over 100 free ground shipping online ship to home items only.

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. Connect wires one at a time to see what lead is drawing current. Whether you choose to diagnose your parts yourself or bring it to us autozone is here to help you find out what s wrong so you can do the job right the first time.

This is because if i don t turn on the car for 2 weeks the battery will be dead. You might want to check your car s starting and charging system to identify any issues. The only reason i was there yesterday was because i needed to exchange the compression tester they d given me as it was broken.

It s always a good idea to get a repair manual for your specific vehicle. Connect the test light in series with the negative post and start pulling feed wires. Autozone starting charging tester getting ready for the free battery check the free autozone battery test begins.

My trust in autozone is a little low. We can do a charging test in the parking lot which tests the battery and will determine whether or not your system is charging properly.