Need an ignition interlock device near Mount Joy? Intoxalock is available at Wissler Chrysler Jeep, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Wissler Chrysler and Jeep is a premier pre-owned vehicle dealership in Mount Joy, PA. They are a NAPA Auto Care Center and they offer a two year limited warranty on all services. In addition, they have been installing ignition interlock devices for Intoxalock since 2009.