How do you install air brake lines on a GMC c7500 for the front?

To install air brake lines on a GMC C7500 for the front, first, ensure the vehicle is safely elevated and secured. Begin by routing the new air brake lines from the air supply source to the front brake chambers, using appropriate brackets and clips to secure the lines along the frame. Connect the lines to the brake chambers, ensuring all fittings are tight and leak-free. Finally, test the system for leaks and proper operation before lowering the vehicle.