How Do You Test A Cars Alternator?
The alternator in your car provides power to charge the battery and run all of your power hungry accessories. If the alternator fails, it’s a matter of hours, or even minutes, until your car stops working altogether. Knowing how to properly test your car’s alternator will save you time and money and help to keep your car running properly. Clean the positive and negative battery terminals to ensure a good connection with the tester’s clamps. Connect the positive and negative clamps to the appropriate battery terminals. The clamps must make firm contact with the battery terminals or the test results will be inaccurate or the tester may not work at all. Turn the tester on and choose the option for “full charging system test.” This will test your battery, starter and alternator and provide the most accurate picture of the problem. Follow the directions on the tester’s screen. These instructions will include cranking the vehicle after the battery test is performed, holding the engine at a c
