2008 GMC Sierra 1500 Pickup Owner's Manual - Page 369

Replacement Bulbs Exterior Lamp Back-up Lamp Center High-Mounted Stoplight (CHMSL), Cargo Lamp Front Turn Signal Lamp, Sidemarker Lamp and Parking Lamp High-Beam Headlamp Low-Beam Headlamp License Plate Lamp Rear Turn Signal Lamp, Taillamp, and Stoplamp Sidemarker Lamp Bulb Number 3047 912 Windshield Wiper Blade Replacement Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance on page 6-4. Replacement blades come in different types and are removed in different ways. To replace the wiper blade assembly, do the following: 1. Pull the windshield wiper arm connector away from the windshield. 3157A 9005 H11 168 3047 194 For replacement bulbs not listed here, contact your dealer/retailer. 2. Squeeze the grooved areas on each side of the blade, and rotate the blade assembly away from the arm connector. 5-57