If interested here's the link regarding fitting the second in-line thermostat as rob mentioned above. http://www.chryslerforum.com/forum/chrysler-voyager-town-country-21/fitting-second-thermostat-20480/ Also someones done a vid now - http://www.chryslerforum.com/forum/chrysler-voyager-town-country-21/fitting-second-thermostat-guide-26641/