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Re: How do you check your charging Circuit ? |
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Warning:
1. do not try this with newer cars. Those with electronic ignition or integrated-regulator alternator can sometimes be damaged. Like some late 70s Datsuns
2. do not leave the cable off for more than a second. The alternator output can go super high as it tries to regulate the voltage.
A more reliable test, easier too because you don't need to unbolt anything, is to use a voltmeter. At 1100 RPM, the battery terminals should read 13.5-15.0 volts. Too high is a problem you won't catch with the cable-off test, but you will with the voltmeter.
Posted on: 2010/1/12 7:18
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