12S 7 Pin Plug

7 Pin 12S Plug

• Fitted with brass pins.
• Designed to conform to ISO 3732
• Includes colour coded cable guide
• The 12S (Supplementary) socket provides a permanent and switched power supply and reverse light function.
• The permanent supply provides power to the interior lights when the engine is turned off and is switched to charge the caravan battery when the vehicle engine is running.
• The switched power supply provides power to the caravan fridge when the engine is running.
• 12S socket can also be used for horse boxes with internal batteries and tipper trailers with electric lifts.
• 12S sockets are distinguished by a grey cover whilst the 12S plugs are a grey colour.