Read ShopOwner’s March Issue Online Now

Every issue of ShopOwner includes valuable business management and technical editorial content.

Published: Mar 27, 2023

The interactive and easy-to-use digital edition of ShopOwner’s March issue is available now.

The March issue features a profile of Tom Palermo, from Preferred Automotive Specialists in Philadelphia, PA, as well as management articles on why you don’t have to fix every mistake and fight every fire in your shop – instead, learn from what went wrong; why being busy is easy, but being successful is more challenging; and more. In addition, you’ll find Tech Tips, new products, editorial commentary and technical content content from ImportCar, Brake & Front End, Underhood Service, TechShop and Tire Review, all ShopOwner channels.

Why ECU Reflashing Needs Certain Power Levels

A reflash power supply is not designed to jumpstart the vehicle.

By Andrew Markel

Published: Dec 4, 2023

What is the difference between a power supply and a battery charger? The answer is a lot. A battery charger is designed to change the state of charge of the battery by applying current. A power supply applies a current to the vehicle’s electrical system and keeps the voltage level consistent, no matter the loads on the system.