Weather proof sprung locking flap, protects the connections when not in use and locks in the 7 pin plug, when in use. The 13 pin side fits and locks in on the existing fitting plug on the car - complete with weather sealing rubber 0-ring.
eBay
1-1/8inch Two Hole Pins Set 2 Hole Flange Alignment Pin Firm Flange Arrangement Pin Set Two Hole Pins Set Handy
Aliexpress UK
Plug and play design, insert into socket, twist and lock without changing the cable, more convenient. Item Type: Trailer Plug. 1 x Trailer Plug. Use in new vehicles with 13 pin plugs on the tow bar will improve efficiency and give you benefits.
eBay
5PCS PCI-E 6-pin to Dual 6+2-pin (6-pin/8-pin) Power Splitter Cable Graphics Card PCIE PCI Express 6Pin to Dual 8Pin Power Cable
Aliexpress UK
Adaptor Trailer Extension Lead Caravan Towing Socket Plug Board 13 Pin to 7 Pin. This trailer Conversion Adapter Lead is used to connect the lights from the vehicle to the trailer with ease. 13 pin plug to Twin 7 pin N & S Type Socket easily plugs into your trailer socket.
eBay
B50C Pin Gauges, 50Pcs M0-0.011-0.060 Inch Steel Pin Gauge Set Steel Plug Pin Gauge Set Steel Plug Pin Gauge Set 0.0002 Inch
Aliexpress UK
7 Pin to 13 Pin Plug Adapter Trailer Connector 12V Towbar Towing Waterproof Plugs Socket Adapter Car Truck Caravan Accessories. Establish a secure connection between your main vehicle and the attached trailer.
eBay
MQB Quadlock 52 Pin CAN Bus Decoder Wiring Harness, SWC Support, Plug & Play 16Pin Android Radio Adapter for VW Golf 7 Passat B8
Aliexpress UK
The short adaptor 13 pin plug to 7N and 7S socket features a compact construction and is designed to adapt the newer 13 pin sockets on the car to take the two 7 pin plugs on the caravans. We aim to answer all enquiries within 24hrs.
eBay
Jasoz USB to RS232 COM Port Serial Cable Adapter PDA 9 DB9 Pin Prolific PL2303 for Windows 7 8.1 10 Vista Mac OS USB RS232 Cable
Aliexpress UK
This adapter converts the 7-pin socket on your car to the 13-pin female socket. 7 PIN TO 13PIN ADAPTER. Pin Car to 13 Pin Caravan/Trailer, (6005). High-Quality Towing Adapter 7. told you they’ve accepted it (having had enough opportunity to inspect the item before confirming they’ve received it).
eBay
mSATA to SATA Converter Card Mini SATA to 7-Pin SATA Extension Adapter Full-high Half-size for 2.5" 3.5" HDD SSD with SATA Cable
Aliexpress UK
Easily fitted and removed the adapter has no trailing cables.
eBay
USB RS232 To DB 9-Pin Male Cable Adapter Converter Supports Win 7 8 10 Pro System Supports Various Serial Devices Cable
Aliexpress UK
This adapter converts the 7-pin socket on your car to the 13-pin female socket. 1pcs of 7 to 13Pin Towing Socket Converter. Supplies power to your caravan, towing and truck.
eBay
DC Power Adapter plug for HP Dell DC Jack 7.4*5.0mm Female to 4.5*3.0mm Male with pin Converter for Laptop Notebook
Aliexpress UK