Tag Archives: #HDAC

Understanding data lines Part II


By Larry Turay Part I of understanding data lines was in the last issue, coverering data line structure and communications. Part II will cover troubleshooting and diagnoses of the J1587/1708 and J1939 data lines. As with any repair, following a … Continue reading

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HD and OTR vehicle service: Keep it clean


July/August 2017 MACS ACTION Magazine It’s been said that cleanliness is next to godliness. This can also be considered gospel when servicing heavy duty (HD) and over-the-road (OTR) refrigeration. These systems operate in far more severe conditions compared to those … Continue reading

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