The good part is that any existing cable will likely make a perfect fish tape for the replacement cable. Tape the tail end of the new cable to the front of the old cable and then use the old cable to pull the new cable through where it needs to go.
The good part is that any existing cable will likely make a perfect fish tape for the replacement cable. Tape the tail end of the new cable to the front of the old cable and then use the old cable to pull the new cable through where it needs to go.