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Searching for electrical diagnosis info? Check out all the electrical diagnosis related articles here on the NAPA Know How blog. We’ve got Know How for all!
In some ways electric vehicles are just like any other vehicle on the road. Wheels are powered to move passengers from one place to another along a roadway. It’s the … Continue Reading EV Tools vs. ICE Tools – What You Need To Know
How to Use a Battery Tester on Your Vehicle No car battery lasts forever. In fact, a typical battery found under the hood of a combustion engine vehicle is designed … Continue Reading How to Use a Battery Tester on Your Vehicle
Automotive electrical problems are never fun to diagnose. But getting down to the fundamentals can be a good place to start. Finding out if a circuit is even receiving power … Continue Reading How to Use a Circuit Tester
Car USB ports not working? USB ports can malfunction due to many factors like a broken cable, blown fuse or clogged port. Read on to diagnose your problem.
Do your headlights keep going out? A burnt-out headlight means reduced visibility, which can put you and other drivers in danger. Here are some solutions.
A turn signal has a certain rhythm to it, but sometimes it starts blinking faster. Here’s the answer to “why does my turn signal blink fast?”
Trailer lights inform other drivers of your intention, but if they aren’t working, your trailer wiring harness may have a problem. Here’s how to fix it.
For most car owners, the scope of electrical system knowledge stops at the fusebox. If it isn’t a bad fuse or bad bulb, that is as far as they can … Continue Reading Know-How Notes – Electrical Tools Guide
If you’re having car interior light problems, you could need a new battery or alternator. Here’s how to diagnose 3 common interior light glitches.
In the old days, the method of choice for checking a circuit was to grab the test light and start probing. While a test light has its place, many times … Continue Reading How To Use a Digital Multimeter