SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1317 (LIGHTING SYSTEMS)COMPONENT LOCATORLIGHTING SYSTEMS COMPONENT VIEWS
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Lighting Systems Component Views

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Lighting Systems Component Views
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Ambient Light Sensor Component View
GM834000Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ambient Light Sensor
2 Upper Instrument Panel
Fig 2: Backup Lamp Switch Component View
GM852499Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Backup Lamp Switch
2 Park Neutral Position Switch
Fig 3: Center High Mounted Stop Lamp (CHMSL) Component View
GM845190Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Center High Mounted Stop Lamp (CHMSL)
2 Stop Lamps
Fig 4: Cigar Lighter Illumination Lamp Component View
GM844699Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Cigar Lighter Rear Retainer
2 Cigar Element Housing
3 Cigar Element
Fig 5: DRL Control Module Component View
GM239183Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 DRL Control Module
2 DRL Control Module Label
3 DRL Control Module Connector
Fig 6: Dome Lamp Component View
GM845367Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Front Dome Lamp
2 Rear Dome Lamp
Fig 7: Locating Flasher Relay
GM828109Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Flasher Relay
Fig 8: Hazard Switch Component View
GM845457Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Hazard Switch
Fig 9: I/P Lamp Dimmer Component View
GM845483Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Instrument Panel Lamp Dimmer
Fig 10: Rear License Plate Lamps Component View
GM824519Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 License Plate Lamps
2 Lift Gate
Fig 11: Stop Lamp Switch Component View
GM819282Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Stop Lamp Switch
2 Stop Lamp Switch Lock Nut
3 Brake Pedal Bracket
Fig 12: Turn Signal/Headlamp Switch Component View
GM833134Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Turn Signal Headlamp Switch
2 Turn Signal Switch Retaining Tab
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 ToolsFree Quote CheckQuote 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.