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Pickup Box Identification Lamp Replacement (GMC HD)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pickup Box Identification Lamp Replacement (GMC HD)
GM1739441Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Rear Side Marker Lamp Assembly Screw (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  2.5 N.m (22 lb in)

2 Rear Side Marker Lamp Assembly
3 Rear Side Marker Lamp Electrical Connector
4 Rear Cross Sill Nut (Qty: 2)