Ignition Interlock, Wisconsin area local installer. Wisconsin Ignition Interlock is located downstairs from WCS at 414 W. Moreland Blvd. Suite 102 A, Waukesha WI 53188. State approved interlock device for WI. Located across from Waukesha County Courthouse. Wisconsin Interlock installs for DUI offenses throughout Waukehsa, Milwaukee and the rest of Southeastern WI. Wisconsin Interlock has...