2017 Ford F250 6.7 Powerstroke P0620

My 2017 Ford F250 6.7 Powerstroke battery light came on and I automatically thought the worst. I thought my alternator died. Charging system showing only 12 volts. Watch this video and video below before you go after the alternator. Most likely you have a chafed wire. Video that I referenced:    • 2014 FORD DIESEL 6.7 | A P0620 MUST SEE BA...