(USED) 2012 Western Star 4900 FA - Miscellaneous Dash Switches - Controls: Trailer 3er Axle Lift, Wiper, High Low, Washer. For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY. ELKTON, MD 21921.