Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-automotive-maintenance-306d17536679

When jump starting, where should the black cable's second end go?

To an unpainted metal surface on the dead engine.

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  1. To an unpainted metal surface on the dead engine ✔
  2. To the dead battery's positive terminal
  3. To the fuel cap

Why: The black cable's second end goes to an unpainted metal surface away from the battery to reduce spark risk.

Huh, didn't know that: The black cable's second end goes to an unpainted metal surface away from the battery to reduce spark risk.

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References

Answer: To an unpainted metal surface on the dead engine. The black cable's second end goes to an unpainted metal surface away from the battery to reduce spark risk.

  1. Scouting America: Automotive Maintenance www.scouting.org/merit-badges/automotive-maintenance
    Clamp the other end of that same cable to an unpainted metal surface of the dead engine
    Checked 2026-11-07.

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