Watch the detailed industrial technique of rewinding a truck starter motor armature, a critical repair process that restores the functionality and efficiency of heavy-duty truck starter motors. This ...

By spinning the armature faster and reducing its output speed with a planetary gearbox, it's possible to get the same starter power in a smaller, lighter package. Click. That's the noise your car ...

Lucky for me, a new starter motor was less than $45 from O'Reilly Auto Parts, ... Within about five minutes, the starter was off, within ten, the armature was sitting on my workbench, ...

Plus, a good grasp of the theory helps you understand the why and how of starter motor armature construction -- and serves as a reminder that there’s a lot going on every time you turn a key or ...