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Message: <blockquote data-quote="dubstepper1000" data-source="post: 8513890" data-attributes="member: 664848"><p>the range you use indicates the maximum voltage it will read, so the 200m will read up to 200mV or .2V.  So the 18.7 means it is .0187V, are you sure it is set to DC Voltage? If it is set to AC then it will give a value close to zero. The icon looks like a line with another dotted line next to it, use the setting that has a max of 20 which is common of most DMM.  Test it when the car is running, you should get something in between 13 and 15 volts when the alternator is running.</p></blockquote><p></p>

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