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![Trailer Plug and Car Socket Tester | 13-Pins Trailer Plug and Car Socket Tester | 13-Pins](images/product_images/popup_images/2175.jpg)
Trailer Plug and Car Socket Tester | 13-Pins
- the tester allows a quick check of electrical systems on trailers and cars, motorhomes, etc.
- allows to check trailer electrical system without a passenger car
- suitable for 13-pin 12 volt connectors
- for 9 V monoblock battery (not included)