Q: Who can use the EZ Connector?
Q: My current plug has four pins, will this work for me?
Q: I pull several different trailers with my truck. Can I buy just trailer ends?
Q: What is the difference between the traditional and the fifth-wheel / gooseneck versions?
Q: How do I install and mount on my vehicle and/or trailer?
Q: What is the wiring size on the connectors. Do you furnish a wiring diagram?
Q: Can the plug be disconnected under load?
Q: How watertight is the plug?
Q: Can I use this on my commercial 18-wheeler?
Q: I have an RV; do I need a 7 pin for pulling my boat and a 4 pin for my car?
Q: What is the difference between EZ Connector's products and those other products currently on the
market today (such as the J560 and 7-blade RV connectors)?
Q: Who can use the EZ Connector?
A: EZ Connector's EZ Recreational 7-Pin (EZR7) electrical connection system is ideal for a variety of recreational, non-
commercial and commercial uses, including: Boat and Watercraft Trailers, Fifth-Wheel Trailers, RVs and Motor Homes, Car
Trailers, Utility Trailers, Sports Utility Vehicles, Trucks, Agricultural Equipment, Construction Equipment and Military
Equipment.
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Q: My current plug has four pins, will this work for me?
A: Yes, the universal EZR7 is backward compatible with 6-, 5- and 4-pin configurations.
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Q: I pull several different trailers with my truck. Can I buy just trailer ends?
A: Yes, while EZ Connector offers both the EZR7 Traditional Version and EZR7 Fifth-Wheel Version as complete packages
(including vehicle socket and pre-attached cable, trailer plug and pre-attached cable, Dummy O-ring-sealed plug and dummy
socket), EZ Connector sells the following trailer and truck ends separately:
- EZR7 Vehicle-Only Kit - Traditional Version
- EZR7 Vehicle-Only Kit - Fifth-Wheel Version
- EZR7 Trailer-Only Kit - Traditional Version
- EZR7 Trailer-Only Kit - Fifth-Wheel Version
- EZR7 Dummy Plug
EZ Connector additionally sells the following items separately:
- EZR7 Complete T-Connector - Traditional Version
- EZR7 Complete T-Connector - Fifth-Wheel Version
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Q: What is the difference between the traditional and the fifth-wheel / gooseneck versions?
A: Whereas the traditional version comes with 2 feet of cable pre-wired to each truck side plug end and 4 feet of cable
pre-wired to each trailer side plug end, the fifth-wheel / gooseneck version comes with 4 feet of cable pre-wired to each
truck side plug end and 8 feet of cable pre-wired to each trailer side plug end.
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Q: How do I install and mount on my vehicle and/or trailer?
A: While our line-up of EZ Connector products are relatively simple to install, we recommend that you have your local
after-market dealer install them. Our plug uses a larger mounting hole than is standard on most vehicles. Therefore, we
recommend using a bracket, which is provided with the purchase of a complete kit and/or additional vehicle sockets. On the
trailer end, we recommend screwing the trailer dummy socket directly onto the tongue of the trailer. The dealer should also
use a butt connector and sealant-type heat-shrink tubing (which we include with the purchase of the product) to ensure a good
electrical connection. Additional installation instructions are located here.
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Q: What is the wiring size on the connectors. Do you furnish a wiring diagram?
A: There are three 12-gauge wires and four 14-gauge wires. Yes, we do provide a wiring diagram and recommend that all
plugs be wired in the same fashion. Since this is a unique plug, we recommend that you wire the plug according to our
specification so that it can consistently be used with anyone who has this plug. A wiring diagram is also located here.
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Q: Can the plug be disconnected under load?
A: Though we don't recommend it, we have put the plug through several tests under load. Our most recent tests included
simultaneously connecting the plug to six headlamps and cycling it (connecting and disconnecting) under load 16,000 times
before we had a failure on only one of the six lights.
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Q: How watertight is the plug?
A: The plug is extremely watertight as long as the O-rings are properly maintained. The plug has been SAE tested to be
watertight to 18 inches, and informally tested to be watertight to 10 feet.
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Q: Can I use this on my commercial 18-wheeler?
A: The EZZR7 is for recreational and light commercial applications. However, it is not for use with ABS brakes on large
commercial truck trailer applications such as 18-wheelers. Although the contacts used are capable of carrying the current
necessary to comply with J560 load requirements, the wire size does not comply with the government standard for use on large
commercial trucks with ABS bakes. EZ Connector is currently developing a solution for this type of application.
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Q: I have an RV; do I need a 7 pin for pulling my boat and a 4 pin for my car?
A: No. The universal 7-pin EZR7 is backward compatible with 6-, 5- and 4-pin configurations.
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Q: What is the difference between EZ Connector's products and those other products currently on the
market today (such as the J560 and 7-blade RV connectors)?
A side by side comparison of EZ Connector trailer plugs vs. traditional trailer plugs is available here.
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