| Clue | Source | Date |
|---|---|---|
| *Jump-start connection point | LA Times Daily | 03 Oct 2021 |
| *Jump-start connection point | The Washington Post | 03 Oct 2021 |
| Certain electrical contact | Universal | 13 Sep 2019 |
| Certain electrical contact | ||
| Anode or cathode | New York Times | 08 Oct 2018 |
| Anode or cathode | ||
| Plus or minus thing | ||
| Where to attach a jumper cable | Newsday | 25 Nov 2015 |
| Where to attach a jumper cable | ||
| Post under a hood | ||
| Post under a hood | ||
| Post under a hood | ||
| 1-Across or 61-Across, for example | ||
| It may be + or - | ||
| Cathode, e.g. | ||
| Cathode, e.g. |