Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Onstar(R) Electrical Connectors
    GM1131465Courtesy of GENERAL MOTORS CORP.
  1. Open the OnStar(R) door panel from the overhead console.
  2. Disconnect the OnStar(R) electrical connectors.
  3. Remove the screws from the overhead console.
  4. Fig 2: View Of Garage Door Panel
    GM955876Courtesy of GENERAL MOTORS CORP.
  5. Open the garage door panel and remove the screws.
  6. Disconnect the electrical connectors.
  7. Remove the overhead console from the vehicle.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.