The 7-way brake controller tester can be used for trailers with two or more axles, and because it uses a special magnet system, brake controller output can be measured even without a trailer attached. It includes easy-to-follow testing instructions and a 20 cable for single-user, in-cab testing to make it even easier to get to the bottom of any electrical problem. Operating the CURT 7-way RV blade electrical tester is simple and does not require an additional power source. Simply plug the 7-way RV blade into your vehicles electrical socket, select your settings with the axle and voltage switches, and you are ready to begin. The tester is able to check your left and right turn signals, brake lights, tail lights and reverse lights if applicable. It also provides the voltage and current of your vehicles brake controller output. The CURT RV blade tester also offers a number of potential causes of electrical failure, including fuse issues, inadequate wiring, damaged wires or a defective brake controller. The CURT 7-way brake controller tester is compatible with all CURT trailer brake controllers and gives you the peace of mind to Bring It on any towing adventure.

Features & Benefits

• Perfect For Installing And Troubleshooting Wiring Systems
• Test Wiring For Battery Voltage Brake Voltage/Signal Circuits
• Volt Meter Indicator Measures Tow Vehicle And Electric Brakes
• Current Meter Uses Magnets To Measure Brake Control Output
• Incl. A 20 ft. Cable For Easy Single-User In-Cab Testing
• Constructed w/Durable Components For Long Life And Dependability
• Can Be Used For Two-Axle Or Three-Axle Trailers
• Made In USA

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