The GMC Sierra Turn Signal Switch allows drivers to definitively announce every lane change or turn, which increases on-road safety for this popular pickup. Mounted within the steering column, the Turn Signal Switch is a convenient lever that completes an electrical circuit every time it is flicked up or down, sending power to left or right indicator lamps so that following traffic instantly knows what you intend to do. Over the years, the unit changed form from a simple blinker arm to a multi-function controller, but all versions pivot on the same basic mechanism of spring-loaded contacts and self-canceling cams that reset after the wheel becomes straight. Across the GMC lineup, late-model Sierra pickups share this stalk layout. Today, the Turn Signal Switch on a Sierra often shares the stalk with rockers or dials that control headlights, fog lamps, windshield wipers, and even cruise control so the driver can keep the hands close to the wheel. Alternative names such as turn signal lever and blinker switch are applied for the same hardware, with the differences mostly being in added lighting and component controls rather than in the way the basic signaling function is achieved. When working properly, the Turn Signal Switch provides a distinct clicking sensation and audible tick that drivers all know well in every generation of GMC, but when a Turn Signal Switch is faulty, it may stick or not cancel.
Each OEM GMC Sierra Turn Signal Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.