Was able to use the factory grommet for the power and fuel level unit wires. Which was good cause in the beginning i wasn't sure i would get through the floor without drilling a hole which i really did not want to do. In the rear of the frame through one of the factory cut outs i was able to send a fish tape up through and up the the frame and managed to get it out the other end. Taped my wire too it and pulled them right back through the frame and came out right next to my gas tank.