Installation Procedure

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Position the hitch platform to the vehicle.
NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES .
Install the platform hitch bolts to the frame rails and the rear bumper.
Tighten

Tighten the bolts to 125 N.m (92 lb ft).

Fig 1: Installing Platform Hitch Bolts To Frame Rails And Rear Bumper
Courtesy of GENERAL MOTORS CORP.
Connect the trailer wiring harness.

Fig 2: Connecting Trailer Wiring Harness
Courtesy of GENERAL MOTORS CORP.