Hello Tim, We appreciate you choosing Micro-Air and understand your frustration. Each thermostat includes a “quick start” card to help you get started. For detailed installation guidance, please visit our EasyTouch RV Knowledge Bank at https://www.micro-air.com/kb-easytouchrv/cat_installation.htm. If you need further assistance, our technical support team is available through the ticketing system found under the “Support” menu at the top right. Our contact number is listed in the footer. We're here to help