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Do you know about how to test on car starter

Do you know about how to test on car starter

This is a brief summary of the tests about what's causing a NO CRANK Condition on your car or truck. Normally, It's around 80% of the time, the result of this starter test will be that you have a BAD starter on your hands.The other 19% percent of the time it'll be a bad battery. The remaining 1% of the time it'll be some other issue.
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With the following testing steps you'll be able to either say with absolute certainty it is a BAD starter motor or completely eliminate it as the cause of the DOES NOT CRANK Condition. These are the testing steps:
1.Test the battery first. This is a simple multimeter test.
2.Test that the starter motor is receiving 12 Volts on its Battery Circuit.
3.Test that the starter motor is receiving the Start signal from the ignition switch.
4.Voltage Drop Test the starter battery and ground Circuits.
5.Using a Jumper-Wire or an appropriate tool, apply 12 volts to the Start signal wire.
6.Turning the engine by hand to eliminate a locked-up engine or a locked-up A/C Compressor.
7.If necessary, bench-testing the starter motor.

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