Hello,
I will try to help you. Is the handle on the trunk loose as in moves but the trunk wont open or is the handle stiff as you cant move it?
Do you hear the pump running when you press the top button down?

https://www.crossfireforum.org/forum/crossfire-roadster/39283-trunklid-jammed-4.html#post614955
https://www.crossfireforum.org/forum...operation.html
https://www.crossfireforum.org/forum/crossfire-roadster/65891-rebuilding-convertible-top-hydraulic-system.html
These may help you.