12 Pin Plugs and Sockets

12 Pin Plug and Sockets

12 pin plug with LED indicates power availability in both plug and socket.

Female and Male components have one row of 7 terminals and another row of 5 terminals.

7 pin terminals provide the following functions

  • Left turn
  • Right Turn
  • Stop Lamps
  • Clearance Lamps
  • Reversing Lamps
  • Earth Return
  • Electric Brake

5 pin terminals provide the following functions

  • Battery Charger/Winch
  • Fridge
  • Earth Return
  • Fog Lamp
  • Auxiliaries

12 pin plugs and sockets are ideal for RV camping. Alternatively, boat trailers with extensive electrical also benefit from the LED indicators when launching in corrosive environments.

LED indicates failed connections.

Sources: Couplemate Trailer parts

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