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Electrical System

Understanding and troubleshooting data lines on heavy-duty trucks

September 23, 2021

Understanding and Troubleshooting data lines on heavy-duty trucks will be presented byLarry Turay of LETCO Enterprises. In Larry’s Saturday morning class, attendees will learn how components and subsystem inputs and outputs can influence HVAC operations. 
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MACS Tesla project

August 26, 2021

MACS is working on a project, to collect A/C charge information for Tesla vehicles, and we need your help!
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Electrification and climate control technologies: Are we prepared?

June 3, 2021

A recent survey from CarGurus suggests consumer interest in purchasing an electric vehicle (EV) has doubled in the past three years.
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FutureTech Auto Presents Virtual Automotive Software & Electronics Fundamentals Boot Camp with Sponsorship by Mobile Air Climate Systems Association (MACS)

May 19, 2021

After launching the virtual edition of the ASE award-winning Automotive Software & Electronics Fundamentals Boot Camp in May, FutureTech has partnered with MACS to present an accelerated course track in Fall 2021.
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Time to plug into EV training

March 10, 2021

Read any automotive publication or website, and you will see numerous stories from all the big automotive manufacturers and quite a few shiny new start-ups about vehicle electrification.
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Vehicle power management and HVAC

September 3, 2019

September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies...
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The future is electric!

June 6, 2019

June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning...
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Engine cooling fans-enough time?

October 16, 2017

Please be aware after January 1, 2018 a Section 609 certification card will be required to purchase R-12, R-134a, or R-1234yf cylinders of 2 pounds or more. Distributors will be...
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Blower motors are essential to proper HVAC performance

September 8, 2017

The blower motor can make or break HVAC performance. Solid blower motor troubleshooting, along with an attention to detail, will help ensure that your customer’s HVAC system performs properly, the...
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Hybrid and battery electric vehicle A/C

December 31, 2016

By Steve Schaeber, MACS Technical Editor Internal combustion engines have powered our transportation for decades, including the cars and trucks we drive each day. Over the years we’ve seen attempts...
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