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Description: The TrailerTester Checkmate A (Checkmate 1200-A) is an user friendly trailer lighting system tester. Within under two minutes, anyone can complete an entire inspection of any size trailer. Portable and lightweight, the TrailerTester Checkmate A’s exclusive one-piece polyethylene super-tough carrier is weather, dust, oil, dirt and acid-proof. The SAE 7-pole plug along with an 8 foot long trailer cord arrive included; the TrailerTester Checkmate A is also quickly adaptable to RV four, 6 or 7-wire criteria. Trailer inspections are made easy with the use of the TrailerTester Checkmate A’s six separately blinking switched circuits. The automated resetting circuit breakers test the aux, mark, end, stop, right and left signals. The particular red short circuit warning light is located conveniently on the front panel. Featuring a 0-20 amp ammeter, the particular TrailerTester Checkmate A is great for testing RV and tool trailers with electric brakes. For normal usage, the TrailerTester Checkmate A could be powered by a regular car battery while a Group 24 deep-cycle or gel-cell battery will function well for heavy use. Increase the power of the battery and the efficiency of your tester with the battery tender, or purchase a power supply and eliminate the use associated with a battery all jointly. The TrailerTester Checkmate The is covered by an extensive, 5 year warranty. In case your TrailerTester Checkmate A arrives, we’ll fix it.