This tester has one end to connect to the 13 pin plug of a trailer and another to connect to the 13 pin socket of the vehicle. Easy to read LED display. Single handed operation. Requires a 9 volt battery. Alkaline S.71210.View Product Specifications
This tester has one end to connect to the 13 pin plug of a trailer and another to connect to the 13 pin socket of the vehicle. Easy to read LED display. Single handed operation. Requires a 9 volt battery. Alkaline S.71210.
