Tagelectrical

Searching for electrical info? Check out all the electrical related articles here on the NAPA Know How blog. We’ve got Know How for all!

Automotive fuses plugged into a car's fuse box.

Posted 1 week ago Maintenance

How to Fix a Blown Car Fuse

Diagnosing a blown car fuse is easy if you know how. Plus, it could save you money and even prevent electrical fires. Learn more here.

Posted 1 month ago Know How

4 Common Brake Light Problems and How to Solve Them

If you keep these tips in mind, most brake light problems will be easy to diagnose and fix on your own.

Posted March 15, 20211 Comment Maintenance

Mind the Gap: How to Replace Spark Plugs

Knowing how to replace spark plugs can help improve your engine’s performance, fuel economy and start-up performance.

Posted December 4, 2020 Know How

What Does an Alternator Do?

What does an alternator do that a battery can’t? How can you tell when it’s failing? Learn how integral the alternator really is for your car’s longevity.

Posted June 25, 2020 Know How

How to Clean Electronics With WD-40 Specialist Electrical Contact Cleaner

Cleaning electronics components is an exercise in frustration. Just like any other piece of equipment, electronics get dirty and grungy, but also have some unique attributes that make cleaning difficult. … Continue Reading How to Clean Electronics With WD-40 Specialist Electrical Contact Cleaner

Black-and-white close-up of three spark plugs

Posted February 26, 2020 Maintenance

Pro Tips for Spark Plug Wire Replacement

As drivers keep their cars longer, spark plug wire replacement is needed eventually. Follow these pro tips to check and replace spark plug wires.

Posted February 13, 20201 Comment Know How

How to Solder Wires: Tips And Tricks For Making A Solid Connection

When it comes to working on your vehicle’s electrical system, even seasoned professionals get frustrated. Intermittent problems, under-dash harnesses that look like spaghetti, and years of patches and “get it … Continue Reading How to Solder Wires: Tips And Tricks For Making A Solid Connection