cost to over haul what you have? unless it local or close, it going to cost. you could very well be buying some one else problems? plus parts that dont fit? good luck and keep us informed.
according to AL overview, the 92 imported wranglers had to meet the 1976 us emission standards. if they are correct, there has to be a connection somewhere on that wrangler. keep us informed on what you find. good luck.