Takes the signal from the vehicle electrics and then powers the trailer/caravan lights as required from the vehicle battery. This smart relay will fix errors caused by modern LED lights on trailer and carvans.
eBay
Wurkkos DL07 26650 Dive Light Flashlight 3000LM Multi Color LED Lamp White Red Light Dive Light Rechargeable IPX8 Rotary Switch
Aliexpress UK
Fit for: Suitable for trucks, trailers, ships, buses, trucks, RV Camper, caravans, snowmobiles and other 80-inch-wide trailers. Suitable for trailers, trucks, caravans, motorhomes, campers, chassis etc. Specifications: Product Material: PMMA +ABS Lens Colour: Red Bulbs Type: Halogen Placement on Vehicle: Left, Rear, Right Voltage: 12-24 V 5 chambers with functions: Tail (parking) light, Brake (stop) light, Indicator light, Reverse light, Fog light 6 Wires per light: Black wire = minus, yellow cable = indicator, white = reverse, red = tail, blue = stop, green = fog Waterproof Grade: IP68 Packaging Weight: 1,403 g .
eBay
800LM Bicycle Front Light 9Led USB C Rechargeable Smart Sensor Rear Light Waterproof Bright Flashlight Safety Cycling Lights
Aliexpress UK
Suitable for Many Types of Vehicles, such as Trailers, Trucks, Utes, Boats, Vans, Caravans, etc. Multi-Function, It has 5 functions which can be used for rear position, direction indicator, brake, reflector, and number plate light.
eBay
NATFIRE 10000 mAh Bike Light Rainproof USB Rechargeable LED Bicycle Light Super Bright Flashlight for Cycling Front / Rear Light
Aliexpress UK
Waterproof Level: IP65. Introducing the wireless LED Tail Light! Each unit has the strongest magnet on the market so you can feel confident you. that you don’t need any tools to attach it. (Rubber coated magnet to help prevent slipping).
eBay
10000 mAh Bike Light Rainproof USB Rechargeable LED Bicycle Light Super Bright Flashlight for Cycling Front / Rear Light
Aliexpress UK
Suitable for trailers, caravans, horse trailers, farm vehicles, etc. -Tail Light. Bulb type: P21W&P21/5W. -Brake Light. Light functions Easy installation: bolts included. Easy installation.
eBay
Bicycle Wheel Spoke Light Mini LED Neon Bike Spoke Light 3 Lighting Mode Safety Warning Light Cycling Light Bicycle Accessories
Aliexpress UK
2PCS 12V-24V LED Tail Light Taillight Turn Signal Indicator Stop Lamp Rear Brake Light for Car Truck Trailer Caravan. -Function as STOP, TAIL, INDICATOR, REVERSE. Fit for Trailers, Trucks, Semi-trailers, Tractor, Utes, Boat,Caravans, etc.
eBay
Bicycle Light Headlamp 3 Light Modes T6 LED Bike Front Light Adjustable Zoom Rechargeable Waterproof Night Cycling Flashlight
Aliexpress UK
PCS 12V LED Tail Light Taillight Turn Signal Indicator Stop Lamp Rear Brake Light for Car Truck Trailer Caravan. Yellow -Direction indicator. Indicator Light. 2 x LED Rear Tail Light. Green -Tail Lights.
eBay
1000LM Bicycle Led Front Light LED USB Rechargeable Smart Sensor Rear Light Waterproof Bright Flashlight Safety Cycling Lights
Aliexpress UK
Each light features a powerful magnet making them quick and easy to fit. 7.5m trailer cable fitted with a 7pin plug.
eBay
2000 Lumens Strong Light Bicycle Light Sensor Switch Rechargeable Mountain Bike Light Night Riding Mountain City Cycling Light
Aliexpress UK