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2020 Chevrolet Silverado Light Bar and Grille Light Installation
CHEVROLET
 The controller that is installed in this unit has a pattern select switch. 
Customer has full control of changing and setting flash pattern on this LED light bar. 
Abrams Flex 12 Dual Color Amber / Blue LED Grille Lghts. These LED surface mount lights can be programed to set a flash pattern to customers application. Flex 12 Amber / Blue can flash all amber or all blue and has steady burn mode.