broken tail gate

http://cdn5.tribalfusion.com/media/37536.gif (http://a.tribalfusion.com/l.click?clickID=CWLSSGOLDMNJHJGKHQCPIWOIIKORPRTSNO WODIKKHJTPKSTLDQCLGVEMHGLBCUMVKROKQEO&clickURL=http%3a%2f%2fa%2etribalfusion%2ecom)On my '94 Jimmy, the tailgate knob is stripped out or something, and I need to replace my tail light, but I can't do this without getting the tailgate down. I was wondering if anyone could help me out and tell me how to fix this, or even just a way to pop the tail gate open. Also I can still get the glass open with the button on the dash but I can not open it manually.

Thanks