Main wiring harness near engine coils chewed thru by rodent while it was parked in the city. one wire was completely cut and another nearby wire was chewed. these wires cary high voltages and can cause fire if shorted. this wiring harness may contain soy based products which can attract rodents. this car engine cover has enough room for robent to get inside and make their home near the wires. the white fibers materials you see in the image is from the engine cover insulation that rat removed from cover.