There is some mystery about the ground side of the circuit among many technicians today, caused by thinking of positive current flow in circuits rather than negative current flow.
Founder & Director of Training, Veejer Enterprises, Inc.
Vince Fischelli is the founder and Director of Training for Veejer Enterprises, Inc., in Garland, Texas. Over a 10-year military career, VInce graduated from the first electronics school in 1959. He has over 50 years of experience in servicing electronics, with the last 49 years devoted exclusively to the vehicle service industry. He managed both GM's Engine Computer and Digital Dash Remanufacturing Centers in Dallas, Texas, and is the former electronics editor of Import Service Magazine. He founded Veeer Enterprises in 1985 to provide vehicle electrical and electronics troubleshooting training to all segments of the vehicle service industry. He is the author of more than 20 books including workbooks and instructor guides covering vehicle electrical-electronics troubleshooting. He also conducts hands-on training and workshops. He is a featured speaker at industry trade shows and conventions presenting electrical electronics training for all segments of the vehicle service industry.
