I recently bought a used soft top off an 03 TJ for my 05 and when I put it on the zippers were pretty difficult to zip up, especially the back window and it even started separating. I tried some blaster silicon dry lube first, which helped, but it left behind a white powdery residue so I wouldn't recommend using it. I instead just used regular blaster silicone lube and that worked great. Then for fixing the zipper separation on the back window I just had to take some pliers and squeeze together one of the zipper sliders.
For cleaning the soft top I first washed\wiped it down with soap and water and then once it dried I sprayed and wiped 303 (30313CSR) Products Aerospace Protectant - Ultimate UV Protection on it and it made it look like new!
For cleaning the soft top I first washed\wiped it down with soap and water and then once it dried I sprayed and wiped 303 (30313CSR) Products Aerospace Protectant - Ultimate UV Protection on it and it made it look like new!