We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...

The alternator is a device that keeps your car's electrical system running once the engine is on. It's essentially a small generator that converts mechanical energy into electricity, bolted to the ...

While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common ...

Your car won't start for the second day in a row. You ask your neighbor for a jump (again) and head off to work — late, of course. You come to the conclusion that it has to be the battery or the ...

The TR6 green circuit powers many unrelated accessories; isolate each branch systematically. Continuity testing with the fuse ...

Last week, I wrote about moving forward with installing air conditioning in my ’69 Lotus Elan +2 coupe. I took the first step and waded in with the installation of a condenser and electric fans in ...

Multimeters can be a useful tool for both novices and professionals to limit their mistakes in automotive repair. Electrical diagnostic work is one of the most challenging parts of automotive repair.

Rechargeable lithium-ion batteries most commonly power cordless electric lawn mowers. In push mowers, they’re usually ...

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...