I have a 2003 24ft. HiLo. The right front wood was rotted as well. It's a common problem as the right front window hole was cut too large in the bottom corner and thus leaked water below it. I did 2 things. 1 - build up the window hole so the window could seal. 2 - replaced the block of wood with a piece of redwood cut to size. There is a series in the forum where someone had the same issues. He took a lot of pictures doing the work. I to replaced the four lifting cables as well. It was just a matter of raising it up and placing 4X4's on the edge and releasing the tension on the cables. You cut them on top, pull them through and then feed them back up. I bought the cable crimping tool on ebay and was good to go.