Tagwiring

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

The steering wheel of a car glows in the dashboard lights.

Posted July 27, 2018 Know How

3 Common Car Interior Light Problems and How to Fix Them

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.

This car from 1955 has a 6-volt battery under the hood. Knowing your battery size is critical to learning how to choose a car battery.

Posted July 19, 2018 Know How

How to Choose a Car Battery: 3 Critical Factors

Every few years it’s time for a new battery, but not all batteries are the same. Here are some tips on how to choose a car battery that fits your vehicle.

Posted April 30, 2018 Know How

How To Use a Digital Multimeter

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

Posted March 11, 2018 Know How

Know-How Notes: Top Ten Garage Supplies

Just like the most commonly used kitchen supplies, there are staple garage supplies that should be in every garage or shop no matter what kind of work you do, whether … Continue Reading Know-How Notes: Top Ten Garage Supplies

Posted February 10, 2018 Know How

Automotive Wiring Guide

Automotive wiring is probably the most maligned aspect of automotive mechanics, the pitfalls of car wiring repairs are many and tracing down bad connections, broken wires, and intermittent problems is … Continue Reading Automotive Wiring Guide

Posted January 27, 20181 Comment Know How

Know-How Notes: Guide To Automotive Fuses

When you have a bad temper, people say you “have a short fuse”, in the world of automotive electrical components, a short fuse could mean a mini-ATC (technically ATM), GMA, … Continue Reading Know-How Notes: Guide To Automotive Fuses

Some fusible links might be found in casings, but most will resemble a length of wire.

Posted May 2, 20171 Comment Know How

What Is a Fusible Link and How Do You Repair One in Your Car?

Fusible link issues can sometimes be difficult to detect, but are easy to repair at home. Here’s how.

Posted March 20, 2017 Know How

Know How Notes: Fuel Pump Relay Kit Install

Upgrading your vehicle’s fuel system is often a necessary step when increasing horsepower. This is usually done with a larger fuel pump, fuel lines, and better filtration than the factory … Continue Reading Know How Notes: Fuel Pump Relay Kit Install

Posted September 9, 2016 Know How

Electrical Troubleshooting Made Easier with Power Probe

Electrical gremlins will get you every time. Even if you are a seasoned professional, shorts, grounds and intermittent electrical issues are frustrating to chase down. Once you find the problem … Continue Reading Electrical Troubleshooting Made Easier with Power Probe

Posted July 21, 2016 Know How

Automotive Electrical Connectors: Power Up!

Automotive electrical connectors resolve the challenge of not having enough connectivity points in your vehicle.