West CanadaWhat area is that - I assume they have ebay - I ordered mine from a dealer in Germany.
You definitely want to add a relay to your wiring ASAP - those grips will drain your battery quickly, when you forget to shut them off at the controller - and you will.Two issues:
The controller of connected to the battery will always be hot, it is advertised to be able to detect when the engine is not running and shut itself off but I'm not too trusty.
The new version ones have a relay built in.You definitely want to add a relay to your wiring ASAP - those grips will drain your battery quickly, when you forget to shut them off at the controller - and you will.