XK8 / XKR ( X100 ) 1996 - 2006
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Old 06-02-2009, 07:15 PM
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Jason, put a multimeter on the black wire coming off of the alternator. Now, when attempting to start the car, does the multimeter stay above 11.0 VDC? If yes, then this confirms a bad starter. If it drops below 11.0 VDC, then you need to measure across the battery as you are starting the car. Does this remain above 11.0 VDC? If yes, then you most likely have a bad wire between the battery and the starter. If no, then you have a bad battery. Based on what you are describing, I am willing to go out on a limb and you are most likely looking at a bad starter. Based on being able to start the car after repeated attempts, it somewhat makes the others unlikely.
 
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