OER Parts offers a wide selection of Cruise Control Components for your 1977 Buick Skylark. OER Parts offers 1977 Buick Skylark Dash Mounted Switch Cruise Control Unit For Use with Non-Computerized Engines, 1977 Buick Skylark Dash Mounted Switch Cruise Control Unit For Use with Computerized Engines, 1977 Buick Skylark Column Mounted Cruise Control Unit For Use with Computerized Engines, 1977 Buick Skylark Column Mounted Control Cruise Control Unit For Use with Non-Computerized Engines, and 1977 Buick Skylark Universal Cruise Control Handle.