Model: TST22. VOSA Approved for use in MOT testing stations on vehicle classes 4, 5 and 7. Sealey 13 & 7 Pin Towing Socket Tester. Sealey 13 Pin / 7 Pin Towing Socket Tester. Also tests the 12Volt continuous live feed, 12Volt ignition live feed and the reversing lights - not part of the current MOT test, but useful when diagnosing electrical faults.
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