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.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1084 (ENTERTAINMENT SYSTEM)COMPONENT LOCATORENTERTAINMENT COMPONENT VIEWS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Entertainment Component Views
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Entertainment Component Views
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.
| Callout | Component Name |
|---|---|
| 1 | Instrument Cluster |
| 2 | Driver's Information/HUD Switches |
| 3 | A/C Sunload Sensor (CJ2)/Ambient Light Sensor (CJ3/C60) |
| 4 | Security Indicator Lamp |
| 5 | Inflatable Restraint I/P Module |
| 6 | HVAC Control Module |
| 7 | Fuse Block-Center Console |
| 8 | Cigar Lighter |
| 9 | Auxiliary Power Outlet-Center Console Lower (2002 and earlier) |
| 10 | Auxiliary Power Outlet-Center Console Upper |
| 11 | Radio |
| 12 | Ignition Switch |
| 13 | Turn Signal, Wiper, Washer, Cruise and High Beam Switch |
| Callout | Component Name |
|---|---|
| 1 | Headlamp Switch |
| 2 | Turn Signal Switch/Multifunction Switch |
| 3 | Hazard Switch |
| 4 | Instrument Panel Cluster (IPC) |
| 5 | Automatic Transmission Shift Lever |
| 6 | Radio |
| 7 | A/C Sunload Sensor (CJ2)/Ambient Light Sensor (CJ3/C60) |
| 8 | Alarm LED |
| 9 | Fuse Block - Center Console |
| 10 | Center Console Switchbank |
| 11 | HVAC Control Module |
| 12 | Steering Wheel Controls - Right |
| 13 | Ignition Switch |
| 14 | Head Up Display (HUD) Switch and Driver Information Center (DIC) Switch |
| 15 | Steering Wheel Controls - Left |
| Callout | Component Name |
|---|---|
| 1 | Tweeter - RF (LF Similar) |
| 2 | Speaker - RF (LF, LR, RR Similar) |
| Callout | Component Name |
|---|---|
| 1 | Tweeter - RF (LF Similar) |
| 2 | Speaker - RF (LF, LR, RR Similar) |
| Callout | Component Name |
|---|---|
| 1 | Headlamp Switch |
| 2 | Steering Wheel Controls |
| 3 | Driver Information Center |
| Callout | Component Name |
|---|---|
| 1 | Tailgate Audio Controls |
| 2 | Subwoofer |
| 3 | Aux Outlet-Rear |
| 4 | Auto Level Control (ALC) Inflator Air Switch |
| Callout | Component Name |
|---|---|
| 1 | Digital Radio Receiver |
| Callout | Component Name |
|---|---|
| 1 | Rear Seat Audio (RSA) |
| Callout | Component Name |
|---|---|
| 1 | DVD Display Screen |
| 2 | Overhead Console |
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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.