The digital voltmeter is the best basic tool for electrical troubleshooting, because it's calibrated and exact. But remember, the digital voltmeter can't detect a high-resistance fault if the circuit ...

A few weeks ago, I wrote about fixing the VDO windshield washer pump in a vintage European car. As part of that, I quickly stepped through troubleshooting the system to reach the point where I ...

Last week, I stepped through the basics of automotive electrical circuits, explained how electrical current needs to flow from battery positive through the load device, to chassis ground, and back to ...

Electrical problems are one of the most common problems encountered by technicians in the field. One common pitfall service technicians fall into is approaching the issue by testing specific ...

We’ve all had those long days where you wish you could just find the electrical problem and get to the next job — or go home! The best way to try and avoid these frustrating days is to review prints ...