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- Check vehicle 12V socket functionality (plug in phone charger)
→ If socket dead: inspect car fuse box (location in owner’s manual) - Verify inflator switch is ON before plugging in
- Inspect power cable for frays near plug—replace if damaged
- Test alligator clips on battery (engine OFF):
- Red clip sparks on contact? → Good circuit
- No spark? → Faulty cable—do not use
