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English
Interactive troubleshooting: pick your symptom and follow the checks.
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Español
Diagnóstico interactivo: elige tu síntoma y sigue las revisiones.
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What you’ll learn
the exact order of checks
| 1 | Diagnose by symptom: completely dead, lights-but-no-crank, or cranks-but-won’t-fire |
| 2 | Why the brake light circuit and the 80A inline fuse link are the two sneakiest culprits |
| 3 | Battery voltage: what 12.0V vs 12.7V actually means for starting |
| 4 | How to jump-start safely without frying the ECU (battery is left-rear, T40 Torx) |
| 5 | Stopping repeat dead batteries: parasitic drain and battery tenders |
Also see our for steering & toe adjustment.