There are a couple things we need to check if we can assume the alternator is okay and the voltage regulator in the PCM is okay.
Let's start with making sure the belt is tight. If the belt is loose then it will slip on pulley and basically not spin the alternator.
Lastly, I attached the wiring diagram, measure the voltage on each of the wires and let me know what you have at the alternator. Thanks
Images (Click to enlarge)
Thursday, July 23rd, 2020 AT 4:41 PM