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Avoiding Diagnostic Rabbit Holes

Electrical and electronic faults often pose unique diagnostic challenges in that they seldom present themselves in a clear cut manner that points to an obvious solution. Instead, the symptoms are often contradictory and point in several directions, leading to real diagnostic dilemmas. The consensus is

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Diagnostic Dive: Immobilizer Systems

We have delved into many aspects of vehicle electrical systems and electrical/electronic diagnosis over the years, but, thus far, we have never specifically addressed the challenges posed by immobilizer system issues, how to diagnose them and the steps to take to resolve them. In this

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Featured
Sorting Out Intermittent Faults

Whether in trade publications, on iATN or other forums or at trade shows, it seems there are few challenges as vexing as intermittent faults. They present difficult diagnostic situations, often become a major time suck, result in a higher incidence of comebacks and can lead

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Featured
Grasping Ground Side Concepts

A common thread found in most electrical troubleshooting and diagnostic articles is a stress on the need for good ground connections and the impact poor ground connections can have on circuit/component performance. Based on the frequency with which this issue is addressed, it is reasonable

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Featured
Focus on CAN Diagnostics

Several months ago, we featured our first article that addressed CAN network diagnosis. We received a large amount of feedback on that one, so we thought we would provide additional resources related to diagnosing and troubleshooting vehicle communication issues. As always, we have turned to some

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Featured
Electrical System Diagnosis: Back to Basics

With the New Year in full swing, now seems like a great time to revisit the basics of electrical system diagnosis. When we read articles from many of the leading experts in the field, there seem to be several points of emphasis that they have

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Featured
Start-Stop Systems

Start-Stop idle systems are increasingly prevalent in today’s vehicles. As one of our referenced articles noted, 2015 was a tipping point for these systems in North America. By 2015, almost every vehicle manufacturer featured at least one model equipped with Start-Stop technology. Plus, in 2015,

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The Evolution of the Automotive Battery

One of the components of the modern vehicle that has seen dramatic change in the last two decades is the automotive battery. At Clore, we often say that the vehicle battery has changed more in the last 12 years than the prior 60 years. With

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Featured
Alternators, Starters and PCMs, Oh My!

Diagnosing starting and charging problems has never been easy and, in fact, seems to be getting more difficult every day. As these systems increase in complexity, getting to the root problem of a customer concern takes an increasing amount of time, requires greater knowledge of

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