i found this cheap transmission on ebay, can someone tell me if this is all u need to replace an old transmission, or is there other wiring or sumthing i need? my 3rd gear is out so i want a new transmission, is this the right one to buy?? http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33733&item=7940252555&rd=1&ssPageName=WDVW