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 96 (ENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONS)IGNITION SYSTEMHIGH TENSION WIRE RESISTANCE
2003 Chevrolet TrailBlazer 4.2 S, 4WD
High Tension Wire Resistance
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION High Tension Wire Resistance
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
HIGH TENSION WIRE RESISTANCE
| Application | Ohms | |||
|---|---|---|---|---|
| 2.0L, 2.5L, 3.0L & 4.2L | (1) | |||
| 2.2L | ||||
| Sonoma & S10 Pickup | 12,000 Per Ft. | |||
| VUE | (1) | |||
| 3.4L | 3000 Per Ft. | |||
| 4.3L, 4.8L, 5.3L, 6.0L & 8.1L | 1000 Per Ft. | |||
| 5.0L & 5.7L | 700 Per Ft. | |||
|
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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.