MP1804B 12N 7 Pin Car And Trailer Tester

MP1804B 12N 7 Pin Car and Trailer Tester

• 12N 7 Pin car and trailer tester for testing ISO1724 /12N 7pin circuits
• LED indicators show any faults on the towbar or trailer lighting circuits
• Requires 1 x 9V PP3 battery (not included) for testing trailer lighting
• Note: Not suitable for use with LED trailer lights
• Towbar testing requires ignition to be switched on and each function activated in turn
• Indicators will show green when function is tested and correctly wired, or red if a fault is present