• Multi-Tow Trailer Adapter: 7 way to 12 volt power adapter not only converts 7 way flat blade to a 4-way or 5-way trailer connector, also adapts 7 way into 12 volt power cigarette lighter socket; Note: This adapter doesn't work with vehicle has a lamp-out sensor
• 12V Cigarette Lighter Power Outlet: 12V power can be used to power air compressors, spot/flood lights, inverters, freezer, electric coolers in the back of your truck; Put 12v outlet where you need it, plug and play, much easier solution than running wires from battery to the truck bed; Note: Some vehicle models might do not have a relay in position from the factory to run the 12 volt, if your 12V plug is not working, please check your fuse panel and install the relay fuse
• Trailer Circuit Tester. 7 way trailer plug adapter also can be used as a 7 pin trailer tester to check the connectivity of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power, you can find out which wiring has a problem easily with the bright LEDs indicators
• 7 Pin to 4 and 5 Pin Trailer Adapter: Multi-function trailer plug adapter converts standard rv blade 7 pin trailer plug to standard 4 and 5 way trailer connector, adding versatile towing options for your vehicle; 4/5 way socket can be used to connect trailer taillights, brake lights, reverse lights and turn signals
• Widely Use: 7 way cigarette lighter plug adapter works fine with any factory OEM 7 pin plug, suitable for Truck, Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Nissan, Toyota, GMC and Jeep etc