Need an ignition interlock device near Barto? Intoxalock is available at Shrum's Automotive, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Shrum's Automotive is an oil, lube and filter service center. They specialize in speedy service while getting the job done right. In 2007, Shrum's became a Pennsylvania authorized ignition interlock installer for Intoxalock.