Blaster Electical Problems

[backwoodsracer]

i swap a motor and wire harness to a new frame and it wont start no spark what should i do their is what i believe a ground that isnt hooked up but i dont know where to hook it ive tried , any suggestions?

[JAG Motosports]

There is ground wire off the CDI and one off the coil. Make sure they are grounded to bare metal.