Spark plug out , fit the coil pack on to it as if it was in place, ( you don't need to hold the plug on the coil pack it will hold by itsef) this way if all works the plug should fire across but it must be grounded as you need + and - . The reason you need insulated muti-grips to hold the assemby ( plug with coilpack), if all works you will get a belt. How else would you hole the plug on the body of the cyl head , if you use your hand you will get a belt!!