I'm trying to add 134A,but the AC clutch doesn't engage. Can I remove the AC fuse and jump it to have clutch engage ? And if so, which one is it and which terminals do I jump, I think some have four prongs to them.

I want you to stop trying to fix the problem until you know what it is.
We all want to save money but guessing and replacing the wrong stuff can cost FAR more than shelling out to have an honest professional tell you exactly what you need.
Not everyone is cut out to do automotive air conditioning repairs just like not everyone is cut out to do home air conditioning repairs.
Use the shop finder tool in my sig to locate a reputable shop in your area. Explain to them what your problem is with your car and they will diagnose it and tell you what you need. Only then can you confidently determine if you can handle the needed steps to finish the repair.