This gear-reduction starter (left) is a lightweight drop-in replacement for the older starter that failed. By spinning the armature faster and reducing its output speed with a planetary gearbox, it's ...

See exactly how a starter actually spins a motor thanks to this nifty custom see-through model. Starter motors are incredibly convenient pieces of engineering. Instead of having to use a hand crank to ...

You hop in your Dodge diesel and turn the key only to be greeted with a click-click sound, instead of the more familiar whirring of your starter motor. Something is wrong. You somehow knew that the ...

When a twist of the ignition key brings no churning from- below, is the problem in the starter or outside it? In this, the first of two articles, we’ll step through simple tests which will show where ...