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dsmghost · 05-30-2014

Check voltage on the FR circuit at the alternator. Without an electrical load it should be 1.8-2.4 volts. Then check the voltage to the alternator with connector unplugged it should have 5 volts coming from the PCM. If those check good replace your alternator.

05-30-2014	#5
dsmghost Join Date: Nov 2011 Location: South Minneapolis Drives: 1gb Talon TSi AWD Posts: 525	Re: p1500 CEL Need help!! Check voltage on the FR circuit at the alternator. Without an electrical load it should be 1.8-2.4 volts. Then check the voltage to the alternator with connector unplugged it should have 5 volts coming from the PCM. If those check good replace your alternator.