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Vehicle End Connector

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4 Flat

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Plug and Lead

4-Pole Hardwire Kit with Circuit Tester

4-Pole Hardwire Kit with Circuit Tester

Item # 18252

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Retail:$16.61

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Tekonsha Vehicle End Connector Wiring - 18252
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Hardwire 4-pole trailer connector kit for vehicles with combined wiring - where the turn and brake signals are sent along the same wire. Quick-splice connectors and circuit tester included. Lowest Prices for the best wiring from Tekonsha. 4-Pole Hardwire Kit with Circuit Tester part number 18252 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Tekonsha Wiring - 18252

  • Trailer Connectors
  • Vehicle End Connector
  • 4 Flat
  • Plug and Lead
  • Tekonsha
  • 6 Feet Long

Hardwire 4-pole trailer connector kit for vehicles with combined wiring - where the turn and brake signals are sent along the same wire. Quick-splice connectors and circuit tester included.


Features:

  • Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
    • Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
  • Connects quickly and easily
  • Tail light, stop and turn functions printed on wires
  • Ground wire runs full length of assembly
  • 18-Gauge bonded wires
  • Includes circuit tester and 4 quick-splice connectors


Specs:

  • Harness measures 72" long
  • Maximum amperage:
    • Stop/turn lights: 7.5 amps per circuit
    • Tail lights: 7.5 amps per circuit
  • Limited 1-year warranty


18252 4-Pole Hardwire Kit with Circuit Tester

20252 Alternate



18252 Installation InstructionsInstallation Details 18252 Installation instructions

This Product Fits The Following Vehicles

1992 - 1999 Oldsmobile 88

1992 - 1999 Oldsmobile 88

1980 - 1996 Oldsmobile 98

1997 - 1997 Ford Aerostar

2005 - 2009 Buick Allure

2005 - 2009 Buick Allure

1985 - 1989 Chevrolet Astro

1985 - 1994 Chevrolet Astro

2005 - 2005 Lincoln Aviator

1977 - 1981 Chevrolet Bel Air

1988 - 1996 Chevrolet Beretta

1988 - 1996 Chevrolet Beretta

1995 - 2005 Chevrolet Blazer

1995 - 2005 Chevrolet Blazer

1982 - 1986 Pontiac Bonneville

1991 - 2004 Oldsmobile Bravada

1991 - 1994 Oldsmobile Bravada

1963 - 1972 Chevrolet C/K Series Pickup

1963 - 1972 GMC C/K Series Pickup

1978 - 1987 GMC Caballero

1978 - 1987 GMC Caballero

1993 - 1995 Chevrolet Camaro

1982 - 1996 Chevrolet Camaro

1977 - 1990 Chevrolet Caprice

1991 - 2005 Chevrolet Cavalier

1989 - 2005 Buick Century

1976 - 1983 Jeep CJ-5

1976 - 1983 Jeep CJ-5

1976 - 1986 Jeep CJ-7

1976 - 1986 Jeep CJ-7

See All Vehicle Fits



Video of 4-Pole Hardwire Kit with Circuit Tester


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




Video Transcript for Trailer Wiring Harness Installation - 2006 Hummer H3

Today on our 2006 Hummer H3 we will be adding the Draw-Tite 4 Pole Hard Wire Kit Part Number 18252. Now to begin our install we'll first need to remove the rear tail light assemblies. Each tail light assembly is secured to the body with 2 screws, then 2 alignment pins. As you remove the tail light assembly from the body be careful not to break the alignment pins underneath. With that out, you can see the 2 alignment pins. With the passenger's side done, we repeat the same process on the driver's side.

Now that we've gained access to the wiring behind each tail light, using the circuit tester, we'll go ahead and ground one side. Use the probe on the other to locate here on the passenger's side the right turn signal and right brake circuit. This is a combined system so when you find the turn signal it will also be the brake circuit. For this application the blue wire here on the passenger side is our turn and brake signal circuit. Now we'll move over to the driver's side where we'll repeat the same process. On the driver's side is a blue wire for the turn and brake signal circuit.

We'll also additionally test for the running light circuit, which on this application is a brown wire. Now we've identified our wires let's go ahead and start connecting and routing our wires. To get the passenger's side turn and brake signal circuit over to the driver's side, connect to our 4-pole harness, we're going to add approximately 8 feet of 14 gauge green wire. Using the quick splice connector provided with the install kit. We'll put the quick splice connector over the blue wire, slide the green wire in and crimp it down. We'll close the clasp and then wrap it up with some black electrical tape to help keep it free from dirt, dust, debris or moisture.

Now we'll go ahead and route the green wire down through the bumper structure. Then over to the driver's side inside the body of the vehicle. To assist in routing our wire, we're going to use a pull wire, which can be a stiff piece of wire or in this case a piece of air tubing to assist in routing. We'll feed the pull wire through the body, secure the green wire to our pull wire, and then pull it into position. Once we're over to the driver's side we'll then route up behind the driver's side tail light assembly going back up through the bumper structure. Note, when routing your wire, keep in mind, stay away from any moving components, the standard suspension or excessive heat such as exhaust. By routing through the body structure it will keep us away from the exhaust.

Now with our green wire behind the driver's side tail light assembly, we'll take the 4-pole harness, route it over the bumper bracket near the hitch. Then up through the bumper structure following the green wire we ran from the passenger's side. Go ahead and start connecting the 4-pole harness, the white wire of our 4-pole harness is ground. We're going to go ahead and strip it back and add a ring terminal and use a self tapping screw to secure it directly to the body of the vehicle, creating our ground. I recommend a final location where the sheet metal doubles up for a more secure ground. Then we'll take the brown wire from our 4-pole harness and match it up with the brown wire on the manufacturer's side. Using the quick splice connector, we'll feed it over the manufacturers wire. Slide our brown wire from the 4-pole harness in, crimp it down and close the clasp. We'll repeat the same process for the driver's side blue wire, with the yellow wire from our 4-pole harness. We'll then take the green wire from the 4-pole harness and the green wire we ran from the passenger's side, cut off any excess, strip both sides back. Use a Deka Butt Connector Part Number DW05714 to secure the 2 together. Now with all our connections made, we'll go ahead and wrap it up with some black electrical tape to keep them free of dirt, dust, debris or moisture. Now with our connection points taped up, we'll go ahead and re-install the driver's side tail light assembly. Next we'll move underneath the vehicle, continue routing and securing our 4-pole harness as we run it towards the center of the vehicle and down to the hitch. We'll use black zip ties to secure our wiring as necessary. Once we've completely secured the wire, we'll go ahead and cut off the excess from our zip ties to clean up our install look. To test the new 4-pole connector, using a test light, we'll take the ground clamp and put it on the white wire terminal. Then by probing the brown wire terminal, we'll get our running light circuit. The yellow wire terminal will be the driver's side blinker and brake. Our green wire terminal will be the passenger's side turn signal and brake. This will complete the install of our Draw-Tite 4-Pole Hard Wire Kit Part Number 18252 on our 2006 Hummer H3. .


Customer Reviews

4-Pole Hardwire Kit with Circuit Tester - 18252

Average Customer Rating:  4.6 out of 5 stars   (131 Customer Reviews)

Hardwire 4-pole trailer connector kit for vehicles with combined wiring - where the turn and brake signals are sent along the same wire. Quick-splice connectors and circuit tester included.

- 18252
by:
2005 Ford Focus

Easy. 141933


Comments

Everything is working great. Ill be ordering a hitch and wiring kit for our 2014 Accord soon.

Roy A - 07/20/2015

13507

- 18252
by:

Product worked great. The wires are long enough with plenty extra for future needs. the circuit tester was a nice bonus. Shipping was very fast. 546104



- 18252
by:
2006 Chevrolet Malibu

I watched the video online to install the wires and did it all by myself. Product arrived in good condition. 86444


Comments

No problems, whatsoever! Good product for the price. I especially loved the fact that one could watch the video online on how to install it. Thanks!

TJ - 12/26/2014

8201

- 18252
by:

First thing I noticed were the online videos that can be saved to a file. nice! also noticed the instructions for assembly of the tow bar was small and difficult to read, (my mechanic was crying throughout the installation) There were no instructions on the wiring kit installation, even a photo of the wire to wire color placement would have helped, but my mechanic went on line and got the photo from an outside source - thus the 4 stars, not five. - other than that it worked out very well, the products are solid, well made, and superbly engineered. everything was inside! thanks ! 611856


Comments

We have a link to the installation instructions as well as some install videos on the product description page.

-- Mike L - 03/15/2019

50563

- 18252
by:
2014 Smart fortwo

Thanks to the video I did not have a problem installing the trailer wiring on my 2014 Smart Fortwo. Thanks 649745



- 18252
by:

Awesome product never any issues use along easy install practically don’t need instructions 720534



- 18252
by:

I don’t know if I got all the parts as they where lose in box with brown paper to hold. After trips to the local hardware store & your excellent video, I was able to install. Have not hooked up to trailer yet, but all tested out good per instructions. More after hook up to trailer & field test. 706032



- 18252
by:
2003 Infiniti I35

Easy to install evem for a 72 year old 691626



- 18252
by:

Works as it should! 681523



- 18252
by:
2000 Buick Century

I used this company before and they are excellent 667861



- 18252
by:
1984 Jeep CJ-7

I got a 4-wire harness to connect my jeep to a utility trailer. The harness worked perfectly. The connectors were good--surprisingly, they were stuffed with noncorroding gel so that the jeep's wires are protected. There were no specific instructions for the hookup, but simply removing the taillight lenses showed which color wires to splice. The supplied tester failed to function, but that wasn't a problem at all--I didn't really wish to poke additional holes into the wires anyway. Took a half hour to complete. 651124



- 18252
by:

Good 597257



- 18252
by:
2007 Ford Focus

This was a pain in the rear end. Wires were not labeled and the tester was useless. Had to go to online for some instructions (none included with kit). Took a long time to get it wired to the car. 591348


Comments

On the product page, we have a link to the instructions as well as a couple of install videos.

-- Mike L - 12/17/2018

46816

- 18252
by:

Worked as described. Quality product one year later. 579074



- 18252
by:

Exactly what I was looking for. Great price and fast shipping. 566576


Comments

Works great!

Stephen A - 09/19/2019

61295

- 18252
by:
1997 Chevrolet Cavalier

Delivered fast, good quality. 564185



- 18252
by:

Easy to install, 15 minutes no problems ! 555555



- 18252
by:
2000 Chevrolet Blazer

fine 547858



- 18252
by:
1987 Dodge Grand Caravan

fast delivery how ever installation instructions were opposite to the very popular trailer rental connection 542493



- 18252
by:
1999 Ford F-150 and F-250 Light Duty

This is the 3rd excellent review I have written about eTrailer. com this month. Bottom line the product came as and performed exactly as I expected. Very good quality at a fair price. Their products, pricing and overall service are exceptional. You can't go wrong dealing with this homegrown American company. I am confident this will not be my last positive review. 522359



- 18252
by:
2005 Ford Focus

Have not had a chance to install yet. It did come quickly. Plenty of helpful videos, thanks. 521688



- 18252
by:

I'm total pleased with the products that you offer, and from ordering to shipping was done without any problems. 518622



- 18252
by:
1998 Chevrolet Blazer

Only thing that needed to be changed was wire connectors. Type included with the plug are easy to install (no insulation stripping, just clamp) but are not reliable. Throw those away and use standard crimp butt splices. Plenty of wire included, so I cut to more convenient length, spliced, and taped 8 inches on both side of splice. Tester is a nice touch, save in your tool box after installation. 512720



- 18252
by:
2013 Ford Edge

Worked perfect. I used it to extend the pigtail on my tow dolly. etrailer has great shipping & service. Have bought from them many times. 512595



- 18252
by:

communication was great, received timely and the product was well packed . thanks George!! 501420


Comments

flawlessly, would do business with them again

Frank - 04/27/2019

54549

- 18252
by:
2006 Ford Focus

Takes longer to remove tail light lenses then it does to hook up. Fast shipping and easy anyone could do it installation 477483



- 18252
by:

Didn’t use this as the installation date/time was unfortunately on the same day as delivery. The outer female plugs were squished into oval shapes and would need to need a small punch to open to a round shape. The included light tester is nice but I would buy this less expensive piece at a local store in order to inspect it first. 473843



- 18252
by:

fit perfect, easy to install 465552



- 18252
by:
2005 Ford Focus

Wiring harness arrived quickly and exactly as pictured. The vehicle specific video made installation a snap. 453897



- 18252
by:

4-pole Hardwire Kit with circuit tester. I needed the kit to attach rear (break/lights/back-up/tail lights) assembly. 434979



- 18252
by:
2013 Smart fortwo

The kit contains everything you need 426370



- 18252
by:
2009 Hummer H3

Worked as promised No surprises!!! !! 414871



- 18252
by:
2009 Hummer H3

Easy install with parts included. 397353



- 18252
by:
2009 Hummer H3

Great product easy to install,excellent thank you etrailer great seller 394351



- 18252
by:
2013 Ford F-150

Well made with decent gauge wires. Plug is good. The circuit tester is very "chinky" and looks good for about 1 use. 391941



- 18252
by:
2005 Ford Focus

I installed this wiring kit along with a hitch. This was pretty easy to install, and the directions were easy to follow. The hardest part was pulling up the the liner in the hatch back area to get to the wires. 391689



- 18252
by:
Hummer H3

Everything was sent according to order and mailed extremely quickly. Product was easy to use on a Hummer H-3 for a trailer hitch. 389871



- 18252
by:

Thank you 366985



- 18252
by:
1995 GMC Jimmy

AGAIN, JUST WHAT I ORDERED 363084


Comments

STILL USING :

BOB W - 04/05/2018

36944

- 18252
by:
2006 Ford Focus

The installation documentation, along with the video aid, was very helpful and easy to understand. It helped a lot, and made the installation fast and easy. I like it a lot, and I appreciate the support I got on a minor issue which was easily and quickly taken care of. 362214


Comments

The products I purchased work beautifully! I haven’t experienced a single issue with anything.You guys are terrific!

Russell - 04/04/2018

36817

- 18252
by:
2001 GMC Sierra

Has held up great over a year so far. I recommend wrapping the wiring in electrical conduet to help make the set up last even longer like I have 357735


Comments

Perfect!

Kyle - 03/23/2018

36319

- 18252
by:
2009 Ford F-150

As usual with etrailer my order arrived fast and exactly as I ordered it. Have not had a chance to use but the items are sturdy and very well made. This is my third order from trailer and there will be more in the future. 355185



- 18252
by:

A1 342172



- 18252
by:
1982 Chevrolet S-10 Pickup

Exact fit and easy to install. The wires are the same color as my truck wires. 336630



- 18252
by:

product and instruction are great. great customer service too. thanks 335334



- 18252
by:

Excellent service too Mike 327001


Comments

Perfect...

Mike - 12/21/2017

32172

- 18252
by:
2002 Buick Century

Arrived fast and worked well. 321417



- 18252
by:

I believe that this product will meet my needs. Did not come with instructions; I was able to find installation instructions on Youtube, but it would have been much easier to install with some paper instructions. 309159



- 18252
by:

Again, an excellent product. Packaged well and delivered promptly. Only problem, not for my vehicle. Oops. Talked to Customer Service (Jonathan) today (Thursday) and he says the correct product should be here Monday. Overall, I am very happy with this company. Thank you. 308961


Comments

That little puppy works just fine. I like it.

Jeff H - 10/23/2017

29776

- 18252
by:
1998 Buick LeSabre

Very straight forward installment. Installation videos very helpful. 306630


51
132
Show More Reviews

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  • Installing a 4-Way Trailer Connector on a 1988 Jeep Wrangler
  • The T-One wiring harness, part # 118356, is designed to fit newer Jeep Wranglers starting in 1991 but is not a confirmed fit on your 1988. The wiring harness for your Jeep is a hardwire and I recommend using part # 18252. It includes a circuit tester to find the correct circuits on the Jeep, as well as quick splice connectors to make splicing in a lot easier. I've linked a video of the harness being installed on a 1985 Monte Carlo SS (Because why not, right?) so you can see the process...
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  • Will I Need To Trim Bumper and Lower Exhaust To Install Draw-Tite 36317 On 2005 Chevrolet Malibu
  • Yes, for installation, you will need to temporarily lower the exhaust to install the Draw-Tite Trailer Hitch Receiver, part # 36317, on your 2005 Chevrolet Malibu. The best way to lower the hangers, is to apply some WD-40 to the rubber mounts to slide the hanger loose. If you have the SS model, the bumper fascia will need to be trimmed, other models of the Malibu do not require trimming of the bumper fascia. Part # 36317 includes a drawbar, pin, and clip. To complete your towing setup,...
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  • Recommendations To Add Brake Controller To 1994 Chevy C/K Truck And Add Brake System To Trailer
  • If your 3500 lb axles have a brake flange, the upgrade will be easy. If not, you will need to have a professional welder help you install the flange using the appropriate jigs for location and Brake Mounting Flange for 2-3/8" Round Axle # 4-35. For brake assemblies, I recommend the Electric Trailer Brake Kit - Self-Adjusting - 10" - Left and Right Hand Assemblies - 3,500 lbs # AKEBRK-35-SA for each axle. You will also need to run wires like # 10-1-1 for your brake magnets to connect...
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  • Recommended Trailer Hitch Receiver Confirmed to Fit a 1989 Jeep Wrangler YJ
  • For your 1989 Jeep YJ, the manufacturer Curt confirms the fit of the Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # 13657. Other sites may not know that the 1989 Wrangler and the 1989 YJ are the same vehicle. Not everyone knows the Jeep terms and models and we actually put both in our fit guide to mitigate confusion on fit. If you will be towing with this trailer hitch receiver, I also recommend the 4-Pole Hardwire Kit with Circuit Tester # 18252. This kit will give...
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  • Will a Reese Class III Trailer Hitch Fit a 1985 and 2004 Jeep Wrangler?
  • I do have a few hitches that will fit these vehicles individually, however, there are no hitches which will fit on both your 2004 Jeep Wrangler and 1985 Jeep CJ-7. For your 2004 Jeep Wrangler, I recommend the Curt Trailer Hitch Class III # 13408. This hitch is confirmed to fit your Wrangler by Curt and we have test fitted the hitch on a 2004 Jeep Wrangler. I have attached a photo of this hitch on your vehicle. This hitch is a bolt-on installation and the maximum gross trailer weight is...
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  • 2 Inch Trailer Hitch Recommendation for a 2001 Ford F-250
  • Reese, Draw-Tite, and Hidden Hitch are all the same manufacturer so if you wanted to stick with that brand you could use # 41922 which will fit a 2001 Ford F-250 with a standard/step bumper. It is rated for 10,000 pounds gross trailer weight (12,000 when used with weight distribution). The B&W hitch # BWHDRH25230 will also fit models with the standard/step bumper. Since your truck has 16 inch tires and assuming the spare is the same or at least an 18 or smaller then you will not have...
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