× 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 7/14/2017

[...trimmed text...]

I make a habit of doing this whenever beginning an electrical diagnosis. Not only does it verify the meter is configured correctly but it establishes a baseline battery voltage as a reference.

Many ... Login to read more.