| Power Adapter Option | Tester Only (No Adapter) |
|---|---|
| Brand | Unbranded |
| Accessories | Carrying Case |
| Warranty | 6 Month |
| Volt | 12 Volt |
| Features | Continuity Testing |
Check the listing for details. Trailer Light Tester 7-Way RV 4/5 Flat | 12-20V Powered Test Box w/ Switches. Condition: New. Listed at 140.00 USD. The tester operates fromany 12V–20V battery source using a converter that provides a stable12-volt output to the trailer connector. • Works withany 12V–20V battery source. This trailer light tester box makes it easy to check your trailer wiring and lighting functionswithout connecting to a tow vehicle.
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