The electrical system is the perfect place to begin building a foundation for an automotive education. This program takes a complex system and gives you the fundamentals in terms easily understood by students and technicians of all levels. This class provides detailed explanations, applications and practical uses when utilizing your multimeter in everyday situations. 

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In this month's Diagnostic News show, we focus on keeping it cool. With summer around the corner, it's time to get ready for air conditioning service work! Check out several articles with A/C tech tips to get you started on AC repair. Also, get the inside scoop on diagnosing transmission problems! Get everything you need and more from AVI's Diagnostic News!

From 1993 to 2008 the GM 4l60E transmission used a pressure switch manifold to tell the computer what gear was selected. In this Tip Clip instructor Wayne Colonna gives a detailed technical overview of this component with some helpful info on diagnosing associated problems.

Orange cables in hybrid vehicles means SAFETY SAFETY SAFETY. In this Tech Tip Clip instructor Dave Hobbs gives us instruction and insight on what to look for in safety equipment and multimeters for use in Hybrid applications. Remember techs, safety first when dealing with hybrid vehicles and high voltage.

Air-conditioning service stinks sometimes. Let’s face it. I mean it sometimes stinks literally – like bad odor stink. Those of us in the warmer and more humid climates regularly run into customers complaining of a foul odor that emanates from the dash. Your customer today is driving a 2003 Chevy Trailblazer and describes their complaint as this terrible musty odor. When you climb inside the vehicle to confirm the complaint, your nose causes the rest of you to want to do a 180, but you know it’s going to be your job to turn this foul odor into a profitable job. You are all too familiar with the cause and the fix.