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Installation Procedure

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: Trailer Hitch & Components
    GM1987435Courtesy of GENERAL MOTORS CORP.
  1. Position the hitch platform to the vehicle.
    2. NOTE: Refer to Fastener Notice .
  2. Install the hitch platform bolts (6) to the frame weld nuts (2).

    Tighten:  Tighten the bolts to 100 N.m (74 lb ft).

  3. Install the bolts (1) and nuts (7) securing the hitch platform to the frame rails.

    Tighten:  Tighten the nuts to 113 N.m (83 lb ft).

  4. Install the hitch platform bolts (5) to the bumper weld nuts (4).

    Tighten:  Tighten the bolts to 100 N.m (74 lb ft).

    5. Fig 2: Identifying Trailer Wiring & Receptacle
    GM1987436Courtesy of GENERAL MOTORS CORP.
  5. Install the retainers (1) securing the trailer wiring harness (2) to the hitch platform.
  6. Connect the trailer wiring harness connector (3) to the trailer wiring recepticle (4).
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