Question about 1993 Jeep Grand Cherokee
My battery is good how do i know if it is my starter or alternator is the problem
Check battery voltage should be 12v or better with motor off. start engine read voltage again should be 12.9 or better and then turn all accessories on...voltage should be same or slight y less but best would be at least 13v let it idle and volts should not creep downward..
Volts should never be below 12 and never at 14 except for a brief time after startup. Turn engine off and disable ignition system, then check across battery while craqnking. Volts should not go below 9.5. If so, have batt charged and load tested. If good, replace starter. No valid electrical computer testing can be done without a fully charged battery.
Posted on Apr 19, 2009
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Posted on Jan 02, 2017
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