Question about 2004 GMC Envoy
No i dont think your alternator is going out but you can test it easily there at home simply by taking the pos battery cable loose while the vehicle is running...if it continues to run it means he alt is good if it dies then you wil need a new alternator.its a sure fire way to know if its good or bad.
Posted on Jan 20, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the body control module (BCM) indicating the system voltage
Charge Indicator Always On
Did you perform the Diagnostic System Check for Starting and Charging? yes or no
Go to Step 2 yes
Go to Diagnostic System Check - Engine Electrical no
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