![Bike Controller](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Note
1. Read the label on the controller interface and make sure all interfaces are properly connected to the match.2. The thick black and red power cord is red for battery positive and black for battery negative pole.The thick yellow and blue motor cord is blue with the positive pole, and the negative pole is yellow.Please make sure the power cord is properly aligned to avoid damage.