Parts Geek – For 2007 Chevrolet Silverado 1500 Classic Turn Signal Switch SMP 77283PMRK. For 2007 Chevrolet Silverado 1500 Classic Turn Signal Switch SMP 77283PMRK. Review Fitment Notes to Ensure Proper Fit. Turn Signal Switch — With Cruise Control; Single Lever Multifunction Switch Assembly. Copper alloy conductors ensure superior electrical conductivity with low resistive losses. Decades of research to meet …Read more »