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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 665 (LIGHTING SYSTEMS)REPAIR INSTRUCTIONSHIGH MOUNTED STOP LAMP REPLACEMENT (AVALANCHE)REMOVAL PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Ensure that the headlamp switch is in the OFF position.
Remove the rear compartment cover assembly.
Remove the cargo box bridge center bar. Refer to PANEL REPLACEMENT - CARGO BOX BRIDGE CENTER (AVALANCHE) or PANEL REPLACEMENT - CARGO BOX BRIDGE CENTER (ESCALADE EXT) .

Fig 1: Panel Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the panel assembly from the vehicle.
Disconnect the Lamp Electrical connector.

Fig 2: High Mount Stop Lamp Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the high mount stop lamp from the cargo bridge center bar. Refer to High Mounted Stop Lamp Replacement (Utilities) or High Mounted Stop Lamp Replacement (Escalade) or High Mounted Stop Lamp Replacement (Escalade EXT) or High Mounted Stop Lamp Replacement (Avalanche) .

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.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.