Measure the voltage right on the larger stud on the starter, not the terminal end bolted to it, while a helper tries to crank the engine. Ground the voltmeter's negative probe right on the engine block. If you find at least 9.6 volts during the cranking attempt, measure again on the braided cable coming out of the other side of the built-in solenoid. If you see very low voltage there, the solenoid contacts are worn or not making good contact. This results in a single kind of loud clunk from the starter each time the ignition switch is turned to "crank". You will definitely feel that if you have your hand on the starter.
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Wednesday, June 29th, 2011 AT 7:54 PM