Trouble getting a refund

We traded in our Rv for a new one at camping world in deforest wi about 2 1/2 weeks ago. We had a good Sam service plan on our old rv but feel we are getting the run around from camping world and good Sam. We don't have a copy of our contract, which camping world says that we need, When we call good Sam, they say we don't need it but the dealer has to notify them. We have 3 years left on the plan so it is a substantial amount of money. We are very frustrated about the lack of assistance. We would appreciate your help getting this problem resolved. Thanks.