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Charging system

(2000 Cadillac Catera)
in Kentland, IN on August 20, 2009
replaced altenator with rebuilt one now won't charge at all. vehicle will not stay running.
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Popular Answer
on August 20, 2009
If the battery voltage gets down to around 9 volts or less the car may not run. The electrical system must have 9 volts or more to operate correctly. You probably need to get someone to test the alternator and charging system. You may very well have a new bad alternator
on August 20, 2009
The inputs to the alternator should be checked for proper voltage signal. You may need a qualified technician to look at the charging system on your 2000 Cadillac Catera to correctly diagnose your problem.
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