Check and connect Power Functions lights and motors

Checking your Power Functions motors and lights is easy!

To test them, just connect them directly to the battery box. If you’re motorising a build, the most important thing is the battery box. We have gathered the most important tips to make it run smoothly and power your build.

If you have a servo motor, it’s also important to set it into “Zero-Position” before putting it in.

Lights should be connected through their dark grey connector at the end of the wire, not the 2x2 black brick in the middle.

If you want to know more about the Power Functions Battery Box check out the FAQs.