5-Flat Trailer End 48" Harness

5-Flat Trailer End 48" Harness

Item # 20017

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20017 - 4 Feet Long Draw-Tite Trailer Connectors
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Product Images

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  • Trailer Connectors
  • Trailer End Connector
  • 5 Flat
  • Plug and Lead
  • Draw-Tite
  • 4 Feet Long
Lowest Prices for the best wiring from Draw-Tite. 5-Flat Trailer End 48" Harness part number 20017 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


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  • Reviews (27)
  • Q & A (38)
  • Videos (2)
  • Photos
  • Why etrailer?

Draw-Tite Wiring - 20017


  • 5-Flat electrical wiring connector
  • Fifth wire carries reverse light signal from vehicle to hydraulic brake actuator on trailer
    • Locks out the actuator from working when going in reverse
  • 48" long lead wires
  • Will plug into most 4-pole flat connectors
    • Reverse lockout feature will not work



20017 5-Pole Flat Trailer End Connector






California residents: click here


Video of 5-Flat Trailer End 48" Harness


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Draw-Tite 5-Flat Trailer End Harness Installation

The 5 pole flat pincher 00:00:02 that we're using here to ease our installation for the trail wiring is part number 20017. All right, so we're going to convert our trailer with a 5 pole signal here, 5 flat. This is for Victor boat trailers because inaudible 00:00:15 the blue wire, here, which is the signal for reverse for your trailer brake lock out solenoid, so we'll strip off a quarter inch of the blue wire, here, and we'll install it into our buck connector here, that goes to our solenoid for hydraulic brake actuators. It is part number DM11993. We'll crimp it into place. We can hook up the rest of our wires to where they go, based upon our connection, here, and take our old connection, here, and cut off these zip ties to separate our wires so we can access them a little bit easier.

Now, we're going to start with what's our green wire, strip back to about 1/4". We're measuring off where we need to trim back our green wire. Get right about there. We'll cut the excess off of our green wire, strip back about 1/4", install our butt connectors. Now, we'll take the brown wire for our right side and we'll do that one, next. Then, we'll do the same for the other wires.

With all of our electrical connections made now, we can use our heat source, seal our heat shrink butt connectors up. To help tidy up our wires, I'm going to take some electrical tape, here, and wrap around our wires, just so we don't have a lot hanging down in this'll make a nice, clean install. Now that we've done that, we can actually go hook it up to our truck, and go down the lake and enjoy our boat. That completes the installation of the 5 pole flat pinch, part number 20017.


Customer Reviews

5-Flat Trailer End 48" Harness - 20017

Average Customer Rating:  4.9 out of 5 stars   (27 Customer Reviews)


- 20017
by:

Decent 5 way plug. I did not use the blue wire taps, instead I soldered the connections as always solder wire splices that are exposed to the weather as my trailer stays outside. I did add corrugated wire wrap to it to make a cleaner installation. 200325


Comments

just fine

Greg - 06/02/2016

18253

- 20017
by:

I choose etrailer for every order I need. Not I’ll not I’d the customer service amazing but the but the speed and shipping is the best around! I wouldn’t recommend any other company to ever buy from 655737



- 20017
by:

e trailer offers great service 576755



- 20017
by:

The product was as advertised. Excellent quality at a fair price. 491143



- 20017
by:

Always helpful and very knowledgeable 468840



- 20017
by:

Easy to order and very fast delivery. Product exactly what I was looking for. 461163



- 20017
by:

Worked out perfectly. 418746



- 20017
by:

Yet to use. Looks ok. Service excelle nt. 378026



- 20017
by:

Works as advertised! 291834



- 20017
by:

Looked around and etrailer had an exact match to the original,simple install and it works great Thanks guys at etrailer Tim. 271801



- 20017
by:

This company is excellent and they ship fast. 256169



- 20017
by:

Fast shipping! 217415



- 20017
by:

Excellent service! Could not find 5-Flat 6 wire harness anywhere local. Ordered it late in the evening and got email when it was sent out that night. Arrived the next day. 216449



- 20017
by:

Purchased wiring adapters ,LED lights delivery shipment was very prompt and accurate GREAT SERVICE,,,,,picts of end product 195256



- 20017
by:

Works as advertised. Good quality prod uct 185274



- 20017
by:

As described, good quality, good price. 183572



- 20017
by:

Seems to be of good quality. Since this harness has six wires, I'd like to see six of the wire splice taps included, instead of just the four. 132095



- 20017
by:

All the leads are 48", including ground. Great for replacing an preexisting layout. Delivery was fast. Thanks 91750



- 20017
by:

quick delivery - product as expect. 90752



- 20017
by:

Parts arrived quickly and were as described on the web site. 89839



- 20017
by:

the correct, high quality parts arrived promptly and have bern successfully put to use. 79264



- 20017
by:

As always -order delivered promptly-Excellent quality of product for price paid-- I'll be a customer for a long time--- Thanks Dick 78591



- 20017
by:

Trailer connector is exactly as advertised from a name brand manufacturer. Great quality, great prices, and fast shipping. I will do business here again in the future. 73736



- 20017
by:

Easy install. 50203



- 20017
by:

Order received earlier than promised and exactly as described very satisfied. Good price and service. No pictures since the trailer and boat are at the lake. 44743



- 20017
by:

Comes with everything you need (except detailed instructions). Overall, product lives up to expecations. 15794



- 20017
by:

I could not have asked for better service. My order arrived quickly and as advertised and the process, from start to finish, could not have gone better. eTrailer will be my 1st. choice for future orders. 6200


27
27

Ask the Experts about this Draw-Tite Wiring

Do you have a question about this Wiring?


  • Replacement 5-Flat Trailer Harness
  • Thank you for the photo; from that and your description it sounds like all you need is a replacement 5-Flat for your trailer and I recommend the 5-Flat Trailer End 48" Harness # 20017. What you can do is simply cut off the 5-flat that is on your boat trailer and use the quick splices that come with the # 20017 to splice into those wires. I have added a link to a video which shows an install of a 5-flat on a boat trailer, as well as a link to a help article on trailer wiring which I strongly...
    view full answer...

  • Wiring a 5-Way Trailer Connector By Color and Function For Lighting and Electric Brakes
  • Traditionally you will find the running lights are brown, the left turn and stop is yellow, the right turn and stop is green, the white is ground, and the brake wire is blue. In your case it sounds since everything else is consistent that your electric brake wire is black. You can test these functions to confirm using a circuit tester like # PTW2993. Then you can use the Draw-Tite # 20017 your connection.
    view full answer...

  • Is there a European 7-Way to US 4-Way Trailer Wiring Adapter for a BMW
  • Bascially, there is no easy way to convert the European 7-Way to a US 4-Way. We do not carry any kind of adapter that you could use. You are left with 2 options. First, you would install a separate wiring harness which would be the easiest. Or, you could attempt to fabricate an adapter. You would need to use a converter, # RM-732. The red wire on the input side would attach to the brake light wire on the vehicle wiring. The white wire grounds to the frame. The yellow wire will attach...
    view full answer...

  • 5-Flat Trailer End Connector has Six 16 Gauge Wires
  • The 5-Flat Trailer End 48 Harness, item # 20017, does have 6 wires. There are two for the running lights functions - one for each side. The wire harness has 16 gauge wire and comes with wire connectors for 16 gauge wire.
    view full answer...

  • Trailer Wiring for a Motorcycle Towing a Motorcycle Trailer
  • Normally, the 5 wire flat connector will accept a 4 wire flat connector and work properly. The extra circuit on the 5 wire connector is normally wired to power a reverse lockout or electric trailer brakes not the brake lights. If your motorcycle has the brake light circuit connected to the extra circuit you will need to do some re wiring or install a converter, item # 119178KIT, on the motorcycle. Your trailer should be wired as follows. White wire = ground, brown = tail light, yellow...
    view full answer...

  • Trailer Wiring Harness Converters Keep Failing when Installed on a Semi Truck
  • You mentioned that the truck is a semi truck. Does it run off of a 24 volt system? If so then that would be why you are having bad luck with converters. Trailer LED lights run off of 12 volts just like incandescent lights but LEDs draw much less amperage so that is the big difference between the two types. LED lights can run off of a lower voltage but often times they appear dimmer. We have a converter # 119192 that is rated for 4.2 amps for brake lights and turn signals and 16...
    view full answer...

  • Can Euro 7-Pin be Replaced by American 4-Way?
  • Sure, you can cut off the Euro 7-pin and add an American-style 4-way. I recommend using the Wishbone Wiring Harness # A20WB, which actually has five wires; it splits the running light wires so you do not have to run a jumper wire from tail light to tail light. You will need to do some splicing and you can use the accompanying diagram of a Euro 7-pin to see how they are typically wired. I recommend using butt connectors # DW05743-10 to connect the 20 gauge wires of the harness.
    view full answer...

  • What are the Wire Functions for the 5-Flat Trailer End Wiring Harness, # 20017
  • The 5-Flat Trailer End Wiring Harness, # 20017, is what is a called a wishbone harness. The brown wires contain the running light signal. It is split at the plug and ran to each side of the trailer so you do not have to have a jumper wire between the two tail lights. So the wire that is yellow and brown goes to the driver side for running lights, and the green/brown wire goes to the passenger side for running lights. The all yellow wire contains left turn and brake lights. The all green...
    view full answer...

  • LED Lights, Wiring and Mounting Brackets for Reverse Lights On a Boat Trailer
  • I would use the Sealed, 6-1/2 inch LED Clear Oval Trailer Utility Light, 10 Diode, item # BUL72CB, along with the Rubber Grommet for 6-1/2 inch Oval Trailer Tail Lights, item # A70GB, and the Trailer Light Mounting Bracket for 6-1/2 inch Oval Trailer Lights, Steel - Black Powder Coat, item # BK70BB. These items should work for you and have a specific mounting bracket that is not available for the Thinline Sealed LED Utility Light, item # UCL65CB. Be sure to unplug the trailer connection...
    view full answer...

  • What is the Function of the 5th Pin on a Trailer Connector 5-Way Flat Connector
  • The 5th wire on a 5-Way flat connector is intended to connect to the vehicle's reverse light circuit. This is for the exact situation you described, so the 5th wire can signal a surge coupler's electric reverse lockout. If you need a 5-Way flat trailer-side connector, you can use the Draw-Tite 5-Flat Trailer End 48 Inch Harness # 20017. This connector is designed for the 5th wire to carry the reverse light signal from the vehicle to the brake actuator. The # 20017 connector will...
    view full answer...

  • Replacement 5 Way Connector Needed for Yamaha Boat Trailer
  • Sounds like Fido needs a first class ticket to the dog house! LOL For a 5-way replacement connector for your Yamaha boat trailer, Draw-Tite offers part # 20017 which includes the connector with 48 inch wiring lead and 4 quick splice wiring connectors. The standard wiring on a 5-way flat connector are : White wire - Ground Green wire - Right turn/Brake Yellow wire - Left turn/Brake Brown wire - Taillights Blue wire - Reverse light circuit Since you mention that you have 7...
    view full answer...

  • How to Wire Up an Adapter to Tow Trailer for Motorcycle that has a 5-Way
  • Normally, the 5 wire flat connector will accept a 4 wire flat connector and work properly. The extra circuit on the 5 wire connector is normally wired to power a reverse lockout or electric trailer brakes not the brake lights. If your motorcycle has the brake light circuit connected to the extra circuit you will need to do some re wiring or install a converter, item # 119178KIT, on the motorcycle. Your trailer should be wired as follows. White wire = ground, brown = tail light, yellow...
    view full answer...

  • Is Function of Blue Wire on 5-Way Connector, Part # 20017, For Reverse and How to Wire To 7-way
  • The blue wire will connect to the reverse light circuit on the tow vehicle, but it will also send a signal to disengage the brake actuator on the trailer when you put your vehicle in reverse. So when you are in reverse, the trailer brakes will not be engaged. You would need a 7-way adapter like Adapter 7 Pole to 5 Pole Flat, part # A75TB. To wire the reverse lights on your trailer, you would need to connect the power wire from the trailer reverse lights, to the blue wire on the 5-way...
    view full answer...

  • Changing a UK Wired Tailer to a USA 4 Wire System for Use with a Lincoln Navigator
  • You could make an adapter to go from the connector on your Aviator, if it is a factory 7-Way connector, to the 5 wires on your trailer. I would use the Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector, item # PK12706, along with the 5-Flat Vehicle End 72 inch Wiring Harness, item # 20016, to build an adapter. Once the adapter is built and wired I would use the 5-Flat Trailer End 48 inch Harness, item # 20017, to splice to the trailer wiring. If you have a 4-Way connector at the...
    view full answer...

  • How To Wire For Lockout On Titan Coupler To Vehicle With 7-Way And Trailer With 4-Flat
  • To connect the electric lockout on the Titan Trailer Coupler, # T47154107K, to your truck you will need to make sure the center pole of the 7-Way connector on your vehicle is wired to the reverse light circuit. If it is not wired to the reverse light circuit you will need to splice into the reverse light circuit behind the vehicles taillights and wire to the center pole inside your 7-Way vehicle connector. Once the 7-Way connector has the reverse light circuit at the center pole...
    view full answer...

  • 4 and 5 Pole Trailer End Connectors
  • We have trailer end connectors in both 4 and 5 pole configurations. Also, we do carry covers that can be added to 4 pole connectors and boxes that can be mounted on the trailer to store connectors in. We also have circuit testers that can be put in line with the vehicle and trailer or just plugged into the vehicle. The 5 way circuit tester, 20115, is an in-line model and should work for both 4 and 5 pole connectors. I have posted links below for your convenience.
    view full answer...

  • Availibility of 5-Way Quick Fix Connector
  • Unfortunately, we do not offer a 5 wire quick fix kit. I would recommend cutting off the broken connector on your trailer and using a 5-Way trailer end connector, part # 20017 to replace it.
    view full answer...

  • Switching From Drum Brakes With an Actuator to Disc Brakes
  • Yes, all you have to do to switch from drum brakes to disc brakes on the actuator is replace the master cylinder. We have the Disc Brake Master Cylinder for Titan Actuators # T4747100 which is the master cylinder that you will need to complete this task. For your solenoid replacement I recommend part # T4748800. If your actuator was made before 2010 then you will need to use the Replacement Solenoid Adapter Fitting # T4750200 so that it will fit on your actuator. I also recommend...
    view full answer...

  • How to Wire the Sealed, Streamline LED Trailer Third Brake Light, # STL80RB, on a Trailer
  • I spoke with my contact at Optronics. The Sealed, Streamline LED Trailer Third Brake Light, # STL80RB, would blink if installed into the trailer light wiring. You will have to hardwire this light differently. You can mount the Sealed, Streamline LED Trailer Third Brake Light, # STL80RB, and then run a wire from it to the trailer side plug. Next, I recommend running a wire from the stop light wire on the brake light switch above the brake pedal, through the firewall, under the vehicle,...
    view full answer...

  • Brake Lights Do Not Work on Boat Trailer with 5-Flat Trailer Connector
  • If your 2013 Nissan Titan has a 4-pole flat wiring harness like # 119179 that you referenced but your boat trailer has a 5-pole flat connector like # 20017 you can still use these together but the additional circuit wire on the trailer (probably for an electric reverse lockout on the hydraulic coupler) will not be active unless you add a reverse light circuit connection from the Titan. This function would be on the blue wire on part # 20017. Step one is to check the vehicle harness and...
    view full answer...

  • Wiring a U.S.A. Boat Trailer to a 9 Wire European Trailer Plug
  • The 5-Way connector on your boat will be wired as follows. Green is right turn/brake, yellow is left turn/brake, brown is running lights (both sides), white is the ground or earth connection and the blue wire is the reverse lockout or reverse lights. I searched for a connector on the internet that matches your 9 wire connector and came up with nothing. I would recommend using a circuit tester, item # ALL640595, and wire by function only. Have a helper activate all of the various functions...
    view full answer...

  • 2012 Honda Goldwing Motorcycle 5-Way Trailer Wiring Recommendation
  • The 5-way harness on your 2012 Honda Goldwing is a wiring setup that has separate turn signals from the stop lights. What that means is there is a separate brake light bulb from the turn signal bulb on either side of the trailer. The fifth wire on your bike's trailer connector is not a reverse light circuit so it will be needed. Typical trailer wiring has the stop and turn signals combined so only 4 circuits are needed. You can wire up your trailer the same way and everything would be...
    view full answer...

  • Does My Trailer With Surge Coupler Have Brakes Or Need Wiring?
  • As you mentioned, the Titan 60 Surge Brake Actuating Coupler is mechanical. It has a lever inside that pushes up against the hitch ball to give you a fixed point that makes the lever move and compress. This compression in the master cylinder applies the hydraulic pressure you need much like a brake pedal. The wiring you are referring to sounds like a traditional 5-way flat trailer connector where that 5th colored wire is blue and is used for either electric trailer brakes or reverse...
    view full answer...

  • New 5-Way Trailer Side Connector for a Boat Trailer
  • Your trailer has a type of wishbone harness with separate wires that share the running light circuit. For a replacement I recommend # A25W5B. The one covered pin is the ground, next to it is the running light pin. There are 2 wires associated with this pin. One goes to the trailer left side running lights the other goes to the trailer right side running lights. The next two pins are left turn/brake lights and right turn/brake lights. And the last pin and wire go to the electric reverse...
    view full answer...

  • Installation of a Brake Controller and Trailer Connector On a 2000 Chrysler Town and Country
  • Your Chrysler Town and Country will need to be hardwired to install a brake controller. I would recommend the Electronic Trailer Brake Controller Kit, item # ETBC7, which has all of the wiring, circuit breakers and connectors needed to install a 7-Way and 4-Way connector at the rear of your vehicle. I would recommend the Tekonsha Prodigy P2 Brake Controller, item # 90885, which is a proportional controller that is easy to use and works great. You do not have to install a 7-Way connector...
    view full answer...

  • Best Way to Adapt a 7-Way Trailer Connector to a 5-Pole Round
  • Replacing the connector on your trailer is probably the best way to go here. The connector you use will depend on what the extra circuit on the trailer does. If it is a boat trailer, and the extra pin operates the lock-out on a hydraulic brake coupler, using a 5-pole flat, part # 20017 along with a 7-way to 5-pole adapter like part # A75TB would be your best bet. If the extra circuit serves a different purpose, you would probably want to install a 7-way trailer connector, part # H20046...
    view full answer...

  • Do I Need a 5-Pole to 4-Pole Adaptor to Tow a Small Utility Trailer With My 2000 GMC Sierra
  • Since you have a 5-Pole flat connector on your truck you should not have to make any modifications to plug the 4-Pole connector on the smaller trailer into the 5 pole connector on the truck. Basically a 5-Pole is set up exactly like a 4-Pole connector with the addition of the brake lockout connection on the far end so the yellow, green, brown and white wires should all line up. If leaving the blue brake wire connection open when towing the smaller trailer is a concern. you could wire...
    view full answer...

  • Wiring Options for a 2009 Chrysler Aspen Towing a Boat Trailer with a 5-Way Flat Trailer Connection
  • Yes, the Tow Ready Custom Fit Vehicle Wiring for the 2009 Aspen by Chrysler, item # 118390, is the correct wiring harness for your Aspen and you will need one other item to complete the wiring to lockout the brakes on your boat trailer surge coupler. You can go one of three ways for this wiring. The easiest way in my mind is to install the # 118390 T-One and then splice the 5-Flat Vehicle End 72 inch Wiring Harness, item # 20016, to the 4 like wires left by removing the 4-way vehicle...
    view full answer...

  • Is There a 5-Flat to 4-Flat Adapter Available for a Ford F-150?
  • It may be possible for you to use the 5 flat and 4 flat together, with all the functions still working except the one that is furthest from the ground wire. Should the connectors not be compatible, you could use the 5-Flat Trailer End 48" Harness # 20017. It is not a simple plug and play adapter, but it will work for you. I've added links to a couple of videos on this product for you to take a look at.
    view full answer...


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Info for this part was:

Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Reno H
Expert Research:
Jameson C
Expert Research:
John H
Video Edited:
Chris R
Updated by:
Alexander C

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