| Brand | Tropic |
|---|---|
| Manufacturer Part Number | 56108 |
Check the listing for details. 4-Pin Flat Circuit Tester with LED Indicators and Plug Mount, Weatherproof. Condition: New. Listed at 9.99 USD. Combines a circuit tester, plug mount, and plug saver in a single compact unit for 4-pin flat trailer connections. Features bright red LED lights that clearly show proper electrical connections for quick and easy circuit testing.