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Charging System Diagnostic Resources

Charging System Diagnostic Resources

Photo by Jason Young This month, we return to alternator/charging system diagnosis, a topic that seems to get more difficult with each successive model year. We have addressed this topic in several articles over the last few years, including this guest article from...
The Perils of Used BCMs

The Perils of Used BCMs

Today’s iATN spotlight is a second warning against trying to repurpose used control modules. In this post, James from Florida warns against installing a used BCM in GM vehicles and provides a great example of how doing so could go very, very wrong:   To see the...
More Fun with Electrical Diagnosis

More Fun with Electrical Diagnosis

In this article, the latest in a series, we gather resources related to the diagnosis and repair of difficult electrical system issues. The articles below deal with a range of issues, from no code diagnostics to diagnosing a faulty alternator, but what they all have...