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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 734 (INSTRUMENT PANEL SYSTEM DISPLAYS, GAUGES AND CONSOLE)REPAIR INSTRUCTIONSIGNITION SWITCH REPLACEMENTINSTALLATION PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ignition Switch Retaining Bolts
    GM95715Courtesy of GENERAL MOTORS CORP.
  1. Install the ignition switch into position on the ignition switch housing bracket.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the ignition switch retaining bolts.

    Tighten:  Tighten the ignition switch retaining bolts to 5.5 N.m (49 lb in).

    3. Fig 2: Park/Lock Cable (A/T) To Ignition Switch
    GM71446Courtesy of GENERAL MOTORS CORP.
  3. Install the park/lock cable (A/T) to the ignition switch (still in the ON position).

    Push to secure the cable retaining tab.

    4. Fig 3: Ignition Switch Electrical Connectors
    GM95716Courtesy of GENERAL MOTORS CORP.
  4. Connect the ignition switch electrical connections.
    5. Fig 4: Hazard Warning Switch Wiring Harness To Ignition Switch Retainer
    GM95710Courtesy of GENERAL MOTORS CORP.
  5. Install the hazard warning switch wiring harness to the ignition switch retainer.
    6. Fig 5: Ignition Switch Lock Cylinder Electrical Connector
    GM95717Courtesy of GENERAL MOTORS CORP.
  6. Install the ignition switch bezel to the switch.
    1. Wrap the ignition switch lock cylinder wire around the base of the ignition switch bezel, as noted during removal.
    2. Align the bezel slots to the lock cylinder pins, then push to secure.
  7. Connect the lock cylinder electrical connector.
    8. Fig 6: Ignition Switch Lock Cylinder Electrical Connector At Side Of Ignition Switch
    GM95718Courtesy of GENERAL MOTORS CORP.
  8. Install the lock cylinder electrical connector to the retaining tab on the side of the ignition switch.
  9. Install the driver knee bolster trim panel. Refer to Trim Panel Replacement - Knee Bolster .
  10. Install the IP accessory trim plate. Refer to Trim Plate Replacement - Instrument Panel (I/P) Accessory .
  11. Install the console. Refer to Compartment Replacement - Instrument Panel (I/P) .
  12. Connect the negative battery cable.

    Tighten:  Tighten the negative battery cable bolt to 15 N.m (11 lb ft).

  13. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.
  14. Release the parking brake.
RENDER: 1.0x

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When to See a Mechanic

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

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