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Trailer-Side 7-Pin Trailer Plug RV Blade Wiring Harness Connector with Tow Vehicle Interlock System
Spurtar 7 pin 7-way trailer round plug lets you connect your trailer to the 7 -way round blade connector of a tow vehicle Interlock system locks and ensures secure and stable connections. A 7-pin trailer plug connects your vehicle with the trailer to provide power for the required lights, turn signals, brake power, battery hot lead, reverse lights, and ground.
How does a 7-way trailer plug work?
The 7-Way Trailer Plug is around 2″ diameter connector that allows an additional pin for an auxiliary 12-volt power or backup lights. It is usually used for towing a heavy-duty landscaping trailer, car trailer, equipment trailer, horse trailer, dump trailer, travel trailer, construction trailer, and larger trailers.
Heavy Duty Construction
- The male-end adapter plug is specifically designed for trailer side connection, used on RV travel trailers and can also easily interchanged with other 7-way RV connectors.
- The 7 way trailer plug can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
Comes with Practical Tool
- The product adopts embedded screws to ensure the overall smoothness of the connector's façade and prevent the protruding screws from hooking onto other items during use. The package of the product is specially equipped with appropriate tool to facilitate the user's removal and installation work.
Practical Over-sized Finger Tabs
- Spurtar 7 pins 7 way round RV blade trailer connector made of sturdy ABS plastic material with two V shape hooks on either side of the plug ensures for a better grip.
- With a securing screw on both sides of the connector helps to keep the face in place.
- Over-sized finger tabs allow a secure grip for easy removal and plug-in.
How to test a 7-way trailer plug with multimeter?
- To check the pins on the vehicle side 7-Way, you can use a circuit tester or the volt meter.
- The circuit tester will show you if a signal is coming through on the pin you are testing while the volt meter will tell you that and how much voltage is being sent.
- When you test the brake circuit pin on the 7-Way, it may be more beneficial to see how much voltage it is sending through.
- More further assistance, please feel free to send us direct message if needed.
Henry D. Wilson
2025-08-24 17:00:26
Easy installation and working well. Thanks
Shawna F.
2025-08-10 16:59:54
Works good!
John Peluso
2025-08-05 14:59:33
Installed the wiring easily but cracked the shell tightening the set screw so be careful.
Cruz200mph
2025-07-20 09:56:41
Great product at reasonable price
G Q
2025-05-14 18:28:04
Strong body with brass terminals and a secure wire clamp. Good replacement plug.
Mike M
2025-04-14 13:03:55
I think the installation is easy, don't really know. Been too lazy to install it. Looks durable and it's been rattling around the bed of the truck for a month now and still looks OK. Good value for the money because the one at NAPA is more expensive so, naturally this is a good buy. I would buy again because I'm convinced that if I would have bought the one from NAPA I would have dearly overpaid. I'll update the review once I install it (probably won't since we already established that I was lazy.)... get you one!
Peter Johnson
2025-03-25 11:40:47
Broke the last one ,,,
Commander Dick
2025-01-27 11:07:39
Works as intended, but soft plastic that won't survive continuous use.If your vehicle power goes thru a relay that kicks out when this plug is connected, install a trailer control box with 12vdc from a 30A source.
ES
2025-01-10 17:14:06
Seems like it will last. Good quality connections. Wiring guide includes color pics.
Fahad
2025-01-09 12:38:26
سهل التركيب
Customer
2024-12-12 15:15:38
Quality product
Alex
2024-11-27 14:41:17
Great product, must use fork stake-one to connect wiring for a solid installation. The yellow gromit was to thick to be used on my trailer cable. If it came with two different thickness gromits it would be a 5 star product.
Matt H
2024-11-23 10:26:19
Well made, easy to install due to colour coded pins. Works like new
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