As a Diesel Power reader, it's likely you have a big truck with big tires, a big suspension lift, and a big, bombed-out diesel engine. But when it comes time to honk at someone, you're stuck with that ...

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 ...