Sealey Towing Socket Tester 13-Pin 12V – DVSA Approved. • DVSA Approved for use in testing stations on vehicle classes 4, 5 and 7. Sealey Catalogue page 572. Forge Motorsports Parts. • Also tests the 12V continuous/ignition live feeds and the reversing lights – not part of the current MOT test, but useful when diagnosing electrical faults.
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