Cyrstalyte Controllers
As Cyrstalyte kits have developed so have their controllers. I think this is a very good sign of quality that the company continues to improve on previous versions.
The Connectors:
Battery:
2 pin trailer type

Throttle:
4 pin black plastic (new
version)
4 pin black plastic (old version: different colour wires)
High Current Motor Wires:
3 pin trailer type

Hall Sensors:
5 pin round metal (new type)

5 pin black plastic (old version)

Brake Handle(s) Cut Off Switch:
3 pin black plastic