StevieC Joined Aug 21, 2008 Messages 25,104 Location ON, Canada eh? Dec 5, 2017 #1 I found this video interesting. He takes the time to explain the communication between the PCM and the Alternator and why there can be a fault in the system even though the battery light is off and the gauge shows it's charging.
I found this video interesting. He takes the time to explain the communication between the PCM and the Alternator and why there can be a fault in the system even though the battery light is off and the gauge shows it's charging.