The mystery of adding LED lights to a modern BMW with CAN Bus (Controller Area Network) electrical system is easy to resolve. The “smart” CAN Bus smells a rat when you pop in an LED brake light or ...

[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...

Troubleshooting electrical systems often begins with a simple question: Which fuse has failed? This compact seven-channel ...

Using a 13-year-old car means small things will fail every now and then, due to the ageing of components. This time it was ...