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What does horsepower really mean? (VIDEO)

Horsepower is a strange measurement, isn’t it? Think about it. When was the last time you used a horse for any kind of work or travel? Like candlepower, the original horsepower attempted to express the output of a newer technology in comparison to its predecessor....

Sketching Skodas

Instead of restoring vintage Czech cars made by Laurin & Klement (L&K), Stefan Ivanov sketches them. His desire to raise awareness of the brand in his home country of Bulgaria and abroad drove him to publish an illustrated history of L&K in 2019. Although...

Turbocharger repair and replacement: What you need to know (VIDEO)

Description Not so long ago, forced induction was mostly limited to high-performance sports cars and diesel trucks. Changes in fuel efficiency standards, forced induction technologies, vehicle design, and consumer preferences led to the widespread adoption of...

Better ops with SOPs

A standard operating procedure (SOP) is a documented tool designed to provide formal, consistent, and efficient results. Put another way, an SOP can bring order to a process that might otherwise be unpredictable at best and chaotic at worst. And given how dynamic the...

Cars that make you think of something specific

Some vehicles have the power to evoke strong memories or associations. Whether it's a classic film, a historical event, or a beloved television show, these vehicles often serve as iconic symbols. You’ll likely only have to read the headers in this piece for you to...

Using voltage to locate electrical faults

Locating the cause of an electrical fault can be a challenge even for the most experienced professional. I’m not referring to open circuits or even short circuits. These are relatively easy to find. In either case, the component, or load, won’t work. But the most...

How do you handle billing shop supplies?

When I first began writing service at an indie auto repair shop, one line item on the bill was “shop supplies.” We tacked on some percentage of the bill, capping at $19.88. Shows you how long ago that was! Customers would ask about it, and many were angry about the...

How to test and fix a car USB charger (VIDEO)

In The Bay

by | May 2, 2023 | 1 comment

Description

Most late-model cars have a USB charging port for smartphones and other devices. In older vehicles, many owners have added USB charging capabilities with cigarette lighter adapters powered by accessory circuits. USB charge ports are used frequently, and today’s techs need to know how to test, diagnose, and repair these systems. This video gives an overview of tools, techniques, and common problems for customer cars. With the right equipment, you’ll be able to test USB ports for voltage and amperage, check cables for connection issues, and even simulate a load on the charging system. Not all USB charging components are created equally, and because most customers are mixing and matching devices from different manufacturers, the right tools and techniques become essential for troubleshooting. 

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