Greetings noob here! I need some help w/ pickup hum. I have an Atrcore series AWD82Ltd. Im tring to figure out the best way to groung this puppy.Im not sure i can get at the stop tail piece hold down bolt(inside the body)Oh yeah this guitar is a hollowbody/semi hollow?Can i just connect a ground wire to the neg. side of the input jack ?Help please!