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2007 caliber RT, Yesterday starter went out, replaced it , tried to start the car and battery was dead, battery got replaced, started car and battery light came on while driving. got it tested and showed the alternator wasn't working, pulled the alternator (pain in the butt), tested 3 times good. Checked all leads from battery to starter to alternator with test light and everything worked, battery test good too. At a complete loss someone suggested testing PCM but dealerships are a week+ wait. UUUUGGGGHH.Dennis
 

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What is the output voltage of the alternator ? What is it by the time it gets to the battery ?
 

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How was the alternator tested as good? Off the car? If so, you need to have it on the car and take it to your closest Autozone, Advance, etc. and have them load test it on the car. They can check the entire charging system for you and it's free! Then, you'll have a better idea about what's working or not.
 
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