Today I have Chris Groff joining me on the show. Chris has experience in a wide varieties of  areas including Automotive, Heavy-duty, & Farm equipment. He also has a YouTube channel, Science Of Diagnostics- see belowScience Of Diagnostics- https://www.youtube.com/channel/UCNaV7Ss0mIFRMFXYhEhru3QU-Scope Giveaway- To be entered into the drawing please send the following before January 16th 2021-Your name ( Or your nominee's name)How many years you or your nominee have been in the fieldWhat drives you or your nominee to be the best they can be in this field?  to     STmobilediag@gmail.com      or       Message me on FacebookWebsite- https://autodiagpodcast.com/Facebook Group- https://www.facebook.com/groups/223994012068320