Pop quiz, no cheating: how many amps does the ground side of any circuit conduct? If you said, “As many as the hot side,” get yourself a gold star and skip this article. For the rest of us who weren’t born innately knowing the answer to that question, stick with me...

I don’t own a bearing race driver kit, and I haven’t in 20 years of fixing stuff. I also refuse to use sockets to drive a race. I learned a method a long time ago I’ll pass along to you newer techs: I use the race I’m replacing. I primarily have used this trick when...

Disclaimer: Dorman Products purchased this kit at full price.In the interest of serious investigative reporting, I swiped the Shop Press credit card for $14.83 to try out a diag tool I thought looked super-cool: the relay bypass. What’s that? Short version: Imagine a...

I had a great experience recently when my dealer’s service department called to ask if I’d like to schedule some routine maintenance needed on my SUV from one of their fleet of nifty new mobile service vans, with the promise that my cost would be the same as if I...

I have mounted and balanced many tires. I have also sold many tires, and there was a step I took when I was installing them that I insisted all techs did when I eventually began writing service. I’m going to share it here, and while I can’t insist upon anything from...