Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector

Tow Ready Wiring - 30717

4-Way to 7-Way Trailer Wiring Adapter

Adapter converts from 4 pole wiring on vehicle to 7 pole round plug. Additional wire leads for brake, power and accessory are 12" long.

Recommended

Wiring Harness Mount Brackets

Picture of the 7-Way Trailer Connector

Video of Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector

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• 2005 Honda Odyssey EX Tow Package
  
• I would recommend the Hidden Hitch Class III Trailer Hitch, item # 87479, for your vehicle. I have listed the items you will need to complete your towing setup for towing a 2,500 pound travel trailer with trailer brakes below. Tekonsha PRODIGY Brake Controller, Item # 90185 T-One Vehicle Wiring Harness with 4 Pole Trailer Connector, Item # 118438 Brake Controller 7 & 4 Way Installation Kit, Item # ETBC7 Derale Series 8000 Plate-Fin Transmission Cooler Kit, Item # D13501 (Check out the FAQ
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• Wiring for Toyota 2010 Highlander with a 7-Way connector for Towing
  
• You will need the Curt Class III Round Tube Trailer Hitch, item # 13534, and with the tow package you will need the T-One Connector Wiring Harness with 4 Pole Trailer Connector - Toyota Highlander, item # 118449. I would go ahead and install the 7-Way connector. We have the Brake Controller 7 & 4 Way Installation Kit, item # ETBC7, which includes everything needed to install the wiring for the 7-way connector, once you have the 4-Way installed. You mentioned a 5-Way connector and if you have
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• Where Do the Black and Blue Wires on 30717 Attach To on a 1999 Ford F-250
  
• If your truck has the brake controller port underneath the dash, then there will be some wiring towards the rear of the truck that you will need to splice into. The blue wire on part # 30717 needs to be spliced into the blue wire on the factory tow wiring. We have an instructional page that shows how this is done that I have linked to below. You can also splice the black wire on the 30717 into the orange wire on the truck for a 12V power source.
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• Installing a 7-Way Connector in a 2000 Chevy Express Van
  
• To hard wire your 2000 Chevy Express Van with a 7-Pole connection, first, you will need Tow Ready Custom Fit Vehicle Wiring, # 118377. I have included a link to the instructions below. Basically, you plug in this wiring harness into a taillight connection and run the wires where needed (to the other taillight and then to the rear of the vehicle). With that installed, you will then add Brake Controller 7 and 4 Way Installation Kit, # ETBC7, which will provide you with the 7 pole connection and a
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• Where Does the Black Wire Attach for Harness 30717 on a 2003 Chrysler Town and Country
  
• The black 12 volt lead on Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector, # 30717, attaches directly to the battery on your 2003 Chrysler Town and Country. You will have to attach the black wire to a length of additional wire, like 10 Gauge Blue Primary Wire - per foot, # 10-1-1, under your vehicle and run that wire to the battery through a 40 amp circuit breaker, # PK54540.
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• What to do With the Extra Wires on 4 to 7 Pole Adapter for a Camper Trailer
  
• On the Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector, # 30717, the extra wires can be taped off, tied up with a cable tie, and tucked out of the way if not in use. I would attach the white ground wire to an existing grounding point or the vehicle frame even if you do not intend on adding a brake controller (which is what the other wires are for). You would then attach the vehicles 4-Way into the 4-Way end of the adapter and plug your trailer connector into the 7-Way for lights only.
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• Will 4 to 7-Way Adapter # 30717 Plug In Directly On a 2001 Ford F-150
  
• Part # 30717 is meant to adapt a 4-Way plug to a 7-Way plug. In order to use the adapter, you would need to have a basic 4-Way plug like part # 118344, and the adapter would plug into the 4-Way connector. You would then connect the additional wires on the adapter to power the rest of the prongs on the 7-Way plug. If you are wanting to move your current 7-Way connector from the 2005 Excursion to the 2001 F-150, I cannot guarantee that it would be a direct fit. We do, however, offer a custom
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• Troubleshooting No Right Brake Light Signal on a Trailer with 4-Way Wiring Harness
  
• It sounds like one of two situations. The first thing I would check, is the tail lights connection to ground. Most tail lights are grounded through their mounting hardware. Make sure that there is no paint or corrosion keeping the light from making a good ground connection. You should also check out the tail light bracket connection to the trailer frame. If the bracket is bolted to the trailer frame there may be rust and corrosion inhibiting the ground connection. If a ground issue is not the
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• Addiing 7-Way Trailer Connectors for Trailer Lights and Trailer Accessories
  
• A 5-Flat trailer connector would be good for left turn, right turn, brake, running lights, and electric brake lockout, so it would not have enough functions for your application. I have included a link to a trailer wiring FAQ below that contains information on the various connectors and the functions they provide. A 7-Way is the better way to go. You will have all the functions listed above plus a 12 volt function and an additional accessory function that can be used for reverse lights or ano
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• Are Two Power Wires to Battery Needed to Hookup a 4-Pin and 7-Pin Connector on 2003 Ford Windstar
  
• Yes, you will need to run separate wiring for both connectors. You will need to install the wiring for the 4-pin connector, part # 118305, with its own power wire to the battery. Then, you will need to install the wiring for the 7-pin connector, part # 30717 with its own power wire. This is done to protect the vehicle power and wiring system. You will want to check your owner manual of your vehicle to check and see when the vehicle was manufactured. If your 2003 Ford Windstar was manufactured
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• What is the Yellow Auxiliary Wire for on 4 pole to 7 Pole Adapter from Tow Ready Part 30717
  
• The black wire is the 12V hot power source that is usually used to maintain a trailer battery. The yellow wire, in some cases it is orange or purple, is for the center post which is usually wired for reverse lights or a reverse lockout on a boat trailer. If you do not need a reverse circuit, you can just tape the yellow wire up and out of the way.
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• Installing a 7-Way Trailer Connector on a 2010 Subaru Outback Wagon
  
• You are correct, the 2010 Subaru Outback Wagon current has a T-One trailer wiring harness, # 118467, available. In order to use the 7-Way on your pop-up camper, you will first need to install this 4-Way. I have included a link to the installation details and a video installation below. At this point, you have 2 options. You can install a 4-Way to 7-Way adapter like # 30717 that you have referenced, plug in the 4-Way installed previously to the back and only use it for trailer light functions,
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• How To Wire Brakes From Trailer To 2004 Honda Odyssey
  
• To activate and control the brakes on your trailer you will need to install a brake controller and 7-way connector on your 2004 Honda Odyssey. For a brake controller, I would recommend the Tekonsha Prodigy P2 Brake Controller, part # 90885, which is a proportional brake controller. A proportional brake controller sends power to the trailer brakes in proportion to the brake force applied to your vehicle. To install the Prodigy P2 Brake Controller, you will first need to install the Brake C
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• Installing Tow Ready 4-Way to 7-Way Trailer Wiring Adapter # 30717 On A 1995 Ford F250
  
• The 4-way connector on the Tow Ready 4-Way to 7-Way Trailer Wiring Adapter, part # 30717, will connect to the 4-way already on your 1995 Ford F-250. You will need to run the blue wire on the adapter up the truck and connect to the brake output wire on your brake controller, usually also blue. You can splice into the blue wire on your brake controller wiring harness using the quick splice 10-12 gauge, part # 562. I am including a video link of how the quick splice is connected. The remaining w
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• Additional Wiring and Parts Needed to Tow Trailer w/ Brakes and 7-Way With 2005 Toyota Sienna
  
• In addition to the 4-way connector that you installed on your 2005 Toyota Sienna, you will need to install Brake Controller 7 & 4 Way Installation Kit, part # ETBC7 and an Electric Brake Controller. The item you selected, Adapter 4 Pole to 7 Pole, would give you a 7-way connector at the rear of your vehicle, but you will need part # ETBC7, as it includes all the necessary hardware and wires to run a brake controller on your Toyota Sienna. To begin you will need to install part # ETBC7, which
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• How to Connect the Yellow Wire for Use on Adapter Vehicle End Trailer Connector # 30717
  
• Regarding the Yellow wire on the Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector, # 30717, how and what you connect it depends on what function you need it to perform. For example if your trailer has reverse lights, or you have a coupler with an electric reverse lockout feature, you would connect the yellow wire to the reverse light wire behind one of the taillights. If you need it to provide power to something on the trailer such as to maintain a battery, you should have it attached
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• How to Install a 7-Way Trailer Connector on a 1998 Dodge Ram for a Brake Controller
  
• If your 1998 Dodge Ram did not come with a factory 4 or 7-Way trailer connector, then you will need to first install Tow Ready Custom Fit Vehicle Wiring, # 118329. I have included a link to a video installation and a link to the installation instructions for reference. You would then need to install a 4 and 7 Way Installation Kit, # ETBC7. We have a couple of detailed FAQ articles on this installation which I have linked for you. I have also included a video link showing a typical installatio
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• How To Wire A 1998 Allegro Motorhome And Tow Dolly For A Brake Controller
  
• The brake controller I would recommend for your 1998 Allegro motor home is the Tekonsha Prodigy P2 Proportional Brake Controller, part # 90885. The Prodigy 2 brake controller is our best selling model. It can be mounted in a 360 degree vertical range and will level itself automatically. It is a proportional brake controller which means that the brakes are applied to the tow dolly at the same time and same strength as the brakes on your vehicle. I am including a link to the installation instructi
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• Can a 7-Way Trailer Connector and a Brake Controller be Installed on a 2007 Toyota Highlander Hybrid
  
• I did some research on the Highlander Hybrid and did not find anything that says there is a different grounding situation on the Hybrid Highlanders. I did notice that the factory replacement harness, item # 118248, uses a chassis ground so grounding the wiring to the vehicle chassis is the correct way to go. The problem may have gotten confused with the high power electrical system on the hybrid models. The high power hybrid electrical system is separate from the low power system on the vehic
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• Wiring The 4 to 7-Way Adapter # 30717 to a 1983 Ford Ambulance To Pull a Race Car Trailer
  
• If you have the Adapter 4 Pole to 7 Pole, part # 30717, I would recommend using a circuit tester, part # 3808 to test the functions of each pin on the 7-way. I have attached an FAQ Article showing the functions of each pin for the vehicle side 7-Way. The other thing I would recommend checking is the 7-Way connector on the trailer, to make sure there is not corrosion in the connector. If there is corrosion in the connector, it will need to be replaced. I would also recommend checking the w
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