One of the most appealing qualities of old trucks is that they are simple, which generally makes them reliable—and easy to fix when they are less than reliable. That was the situation we were in with ...

In our last installment on Scarlett, our ’72 coupe project car, we routed all the engine wiring through a single circular connector on the firewall in preparation for integrating the LS3 wiring and ...

For some reason, dual horn relay wiring harness kits are difficult to find lately. The Eastern Beaver dual horn relay harness (review) that I’ve used before is no longer being made, unfortunately. But ...

Even from the very earliest days of the automobile age, cars and trucks have been hybrids of mechanical and electrical design. For every piston sliding up and down in a cylinder, there’s a spark plug ...

We recently found ourselves at a crossroads during the planning stages of a 1969 Chevy Camaro build project. The Camaro belonged to Performance Online and was part of our highly popular Week To Wicked ...

GM has issued a customer satisfaction program for certain units of the 2023 GMC Sierra 1500 which were seemingly produced with an incorrect wiring harness installed. The incorrect wiring harness was ...

There are many ways to learn, but few to none of them compare to that of spending time standing over the shoulder of a master of the craft. This awesome page sent in by [JohnU] is a fantastic corner ...

The automotive industry tends not to fix what ain’t broke, especially when it’s technology as elementary and time-tested as electrical wiring. Multiple carmakers and top-tier suppliers, though, ...

Electrical Function Integration places the control over exactly where components, wire, conductors and connectors are in the hands of the designer. Source: Q5D Wire harnesses are the backbone of ...