× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: So why is my ammeter reading negative?
Posted to Technical Discussion Forum on 7/12/2017



I guess I avoid that by always using a jump box. with the meter on the ground side, than disconnect the cars battery. This keeps from interrupting power. Login to read more.