Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1648 (LIGHTING SYSTEMS)REPAIR INSTRUCTIONSDRIVER INFORMATION CENTER (DIC) BULB REPLACEMENTINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Install the Trac Off, Low Trac, Trunk Ajar, Low Washer, or Chg Oil Soon lamp:
- Place the blue colored lamp into the opening in the driver information center (DIC).
- Use pliers to rotate the lamp clockwise.
Fig 1: Installing Lamp
Courtesy of GENERAL MOTORS CORP.
Install the door ajar lamp:
- Place the black door ajar lamp into the opening in the DIC.
- Use a flat-bladed tool to rotate the door ajar lamp clockwise.
Fig 2: Installing Door Ajar Lamp
Courtesy of GENERAL MOTORS CORP.
Install the illumination lamp:
- Place the red colored illumination lamp into the opening in the DIC.
- Use pliers to rotate the illumination lamp clockwise.
Install the DIC. Refer to DRIVER INFORMATION CENTER MODULE REPLACEMENT .

Fig 3: Installing Illumination Lamp
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.