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T-One Vehicle Wiring Harness

This is a custom fit product. Find out if it fits your vehicle using the Hitch Hunter 
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118304

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Quantity in Cart: None
Code: 118304
List:  $38.98
Price: $34.95
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Shipping Weight: 1 pounds
Rating: ratingratingratingratingrating 4.8 out of 5
Order $150.00 to qualify for free shipping
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Wiring Harness Installation- 2005 Toyota SiennaWiring Harness Installation- 2005 Toyota Sienna - Video
Wiring Harness Installation - 2008 Toyota SiennaWiring Harness Installation - 2008 Toyota Sienna - Video

Tow Ready T-One Vehicle Wiring Harness by Draw-Tite, Hidden Hitch and Reese

  • Provides a 4-pole flat trailer connector for the vehicle
  • Quick and Easy
  • No Cutting, Splicing or Taping
  • Just Plug in the T-One Connector and You're Ready to Tow
  • Solid One Piece Construction
  • 16 Gauge Bonded Wire w/ 4-Flat Plug
  • "Factory" Appearance
  • Simple Do-It-Yourself Instructions on Every Package
Can be used with 5-pole, 6-pole or 7-pole adapters.
Installation: Connection points are located behind each vehicle taillight. The 4-pole trailer connector will be stored in the cargo area inside the vehicle.
Tech Tip: It is always a good idea to apply a small amount of grease to all electrical connections to help prevent corrosion.
Warning:
Overloading circuit can cause fires. Do not exceed lower of towing manufacturer rating or:
  • Max. stop/turn light: 1 per side (2.1 amps)
  • Max. tail lights: (4.2 amps)
Read vehicle's owners manual and instruction sheet for additional information.
Close-up of the connector on the t-one wiring harness.

Replaces # 18304


This is a custom fit application for the following vehicles.
Use the HitchHunter(R) to find what fits.
2004 - 2010 Toyota Sienna

Find more products like me in:
T-Ones


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Customer Ratings
Based on 10 Ratings
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great product
Jesse B. from lyndhurst ohio
this was so easy to install it only took me 30 minutes.

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PERFECT !
Ira from TORRANCE,CA.
WORKED AND FIT PERFECTLY

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great product
ira m. from torrance, CA
wiring harness worked perfectly. install was pretty easy.

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Good Product, OK Instructions
Al S. from Pella, IA
This wiring adapter seems to work fine, but the instructions are just a bit weak. The connectors and wire seem to be of good quality. The connectors fit well and the wire lengths were sufficiently long. I have not used it with a trailer yet; I just checked the wiring using a 12-volt test light. I do not expect any problems in actual use. I thought the instructions could have been better. One thing that wasn’t clear is that after removing the screws holding the taillights in place you need to gently pry out the forward part of the taillight assemblies to finish removing them. (I used a plastic putty knife.) There was no mention of installing the ground wire – it’s white with a ring-lug installed on the end of it. (I suggest mounting it to the double-wall area of the rear body panel just to the right of the rear-hatch latch. It took about an hour to install and most of that was the time required to remove and replace the trim pieces. As always, use great care when removing trim to avoid damaging the trim or the mounting “pins”.

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Total installation time 20 min
Scott from Dayton, Ohio
If you watch the installation video first and have the proper tools assembled you can install this harness in about 20 minutes. It doesn't get any better than this! I am very pleased with both the harness and hitch as far as the price, the quality, free shipping and ease of installation.

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Works Great!
James from Tempe, AZ
Good product and relatively easy installation in my 2006...but as was said in an earler review...be careful re-attaching the panels because its easy to mess up the connectors.

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The Video Really Helped!
Brian from Canada
Thanks etrailer for publishing the video! This helped in the decision to buy from you! One of the points in removing trim is finding the right points to pull and the video helped significantly. Everything was per the video in my 2009 Toyota Sienna. Better that splicing into the wires (which I did on my previous cars). Thanks etrailer!

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Easy Installation
BC from Fairfax Station, VA
Easy to install after watching the video - great video.

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Very simple installation
Ernie S. from Madison, WI
Stunningly fast delivery by etrailer.com! Very simple/fast installation using the enclosed instructions.

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Sooooo easy!
Jon D. from New Jersey
The directions are a little fuzzy with lousy pictures, but in the end, this was a piece of cake to install....30 minutes for an automobile novice here.



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