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 ...

At one time rewiring a classic truck usually meant going to the parts store for a couple of spools of wire and a bunch of butt connectors all in an effort to try and save what was left of the ...

What can you do about flickering lights, a dead sound system, psychotic instruments, undependable turn signals, and horns that don't always work? Our classic Mustang electrical systems are notorious ...

Searching for the right trailer wiring can be tiresome. There are many industry standards that don't lend themselves useful to the layman. Every standard is there for a reason, so don't go wiring your ...

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 ...

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, ...

GM has issued a Customer Satisfaction Program for certain units of the 2023 Chevy Silverado 1500 which were apparently built with the wrong wiring harness. The incorrect wiring harness was also ...