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 MANUALSCHEVROLET2025TRAILBLAZER ACTIV, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONBRAKESMAP - ROUTINE INSPECTION REFERENCE GUIDEROUTINE INSPECTION REFERENCE GUIDEROUTINE INSPECTION - UICSENGINE PERFORMANCE AND MAINTENANCEIGNITION WIRES (SECONDARY)
2025 Chevrolet Trailblazer ACTIV, FWD
Ignition Wires (Secondary)
2025 Chevrolet Trailblazer ACTIV, FWDSECTION Ignition Wires (Secondary)
| Condition | Code | Procedure |
|---|---|---|
| Application incorrect | B | Require replacement |
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Carbon-tracked | A | Require replacement |
| Corroded | 1 | Suggest repair or replacement |
| Insulation leaking (shorted) | A | Require repair or replacement |
| Metal heat shield bent | 2 | Suggest repair or replacement |
| Missing | C | Require replacement |
| Oil-soaked (spongy) | 1 | Suggest replacement |
| Resistance incorrect | B | Require replacement |
| Routed incorrectly | B | Suggest repair |
|
NOTE:
If improper routing affects the performance of other systems, require repair. Proper routing, hardware, heatshields, etc., are intended to prevent premature failure of secondary ignition components.
|
||
| Terminal broken | A | Require repair or replacement |
| Terminal burned, affecting performance | A | Require repair or replacement |
|
NOTE:
Determine cause and correct prior to repair or replacement of part.
|
||
| Terminal burned, not affecting performance | 2 | Suggest repair or replacement |
| Terminal corroded, affecting performance | A | Require repair or replacement |
| Terminal corroded, not affecting performance | 2 | Suggest repair or replacement |
| Terminal loose, affecting performance | B | Require repair or replacement |
| Terminal loose, not affecting performance | 1 | Suggest repair or replacement |
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.