Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Rating: 
10 reviews
Code: 118387
Retail:$54.20
Price:$38.95
Shipping Weight: 1 pounds
Shipping SpecialTow Ready T-One Vehicle Wiring Harness by Draw-Tite, Hidden Hitch and Reese
Video of T-One Vehicle Wiring Harness with 4 Pole Trailer Connector
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today on this 2008 Toyota Corolla we are going to install part number 118387 from Tow Ready. Our connection point is going behind the carpeting here so that means we are going to take this carpeting loose here, we are going to take off the threshold, and get it out of the way so we can route our wires from one side to the other. So far I am going to take out this floor cover here and right now the threshold itself. Make sure you get the fittings underneath here. There it goes. Work on the carpeting here. 00:50
All right we will start making our first connection. This is where our wire harness will plug in at behind the tail light. What you want to do is push the little button back here so the inside part comes out. It is kind of hard to see so you will have to do it by feel that it is there. All right then we will take our wire harness and we will plug that back in the same spot. Make sure it snaps. These are our other two we are going to plug back together. Then all that remains now is we need to find a good place to ground it, our wire harness. We will use this sheet metal like a shelf right here on the body work and it should work just fine. On a thinner sheet metal you want to attach it by hand so you do not over drill it and go through it really easy and strip it out. 02:06
All right now we will go ahead and attach our converter box. Using the adhesive behind it find a nice piece of sheet metal right here and we will go ahead and attach it to that, make sure it is nice and clean. Okay we will let that sit for now. Then with our red and green wire we will run them all the way across following the factory harness and we will do the same thing back over on the passenger side. Okay now lets go ahead and take some zip ties and we will just zip it to the factory harness and we will be set. All right at this point we can go ahead and start reassembling our interior. Just make sure that we leave room for our 4-pole wiring harness. We will actually just tuck this in the spare tire well and then to use it we will just pull it out. We will leave that there for now. All right now we have got our interior back together and we have got our 4-pole harness, just pull it out from the trunk well and when you need to use it it is very simple. Just pull it out a little bit of what you need and then just go ahead and shut the trunk on it this door steel is plenty thick so it will not smash the wire and just make sure you stay away from the latch. Then just pull out what you need to go down to your trailer. Okay after you have it installed go ahead and check it for the test the light to make sure it is working fine. And there you have it for part number 118387 from Tow Ready.
2003 - 2003 Toyota Corolla Sedan
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Average Customer Rating: 5.0 out of 5 stars (10 Customer Reviews)
by: Roger Z.11/22/2011
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Received the wiring harness in less time than expected, beautiful customer service and had it installed in 30 minutes! The video coupled with the written instructions made the install a no-brainer!!! Etrailer is top notch in my book!27312
by: Ross Pall08/03/2011
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This part worked perfect in my 2003 corolla. Hook up was very easy thx etrailer21048
by: Ross Pall08/03/2011
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I want to thank everyone there at etrailer for your outstanding service you provided me.Sunday I orderd the wirering harrness I needed and in 2 days i had it. You all checked up on me you all really cared. I did'nt feel like a number you made me feel inportant. Thk Katie & all of you that completed my order.I just installed it myself was wirering for towing my boat in my 2003 corolla.thx you all rock!!!!!!!21044
by: Robert D07/13/2011
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No splices - plug and play. worth the extra money for a easy install, Worked first time19373
by: Bruce T.06/09/2011
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Shipped and Received quickly. Looks like a quality item that will be convenient to use.16572
by: David G05/24/2011
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Extremely easy to hook-up to my '03 Toyota Corolla - just plug and you're wired! Didn't have to drill a hole for the ground screw either as there was a vacant hole already near where I intended to mount the base unit. Took longer to remove and replace the carpeting in my trunk to hide the wires. Also bought tester for a few dollars to prove that my original wiring harness was, indeed, faulty. A great little investment. Def recommend this harness for all Corolla owners. Simple, easy, works, fair price. What more could anyone ask?15310
by: Aaron05/03/2011
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I installed this last sunday on the wife's toyota. It was easy to install no problems. I have a camping trailer I use for my HD and haven't had a chance to pull it out of storage and test it yet. This is the reason I bought the T-One vehicle wire harness, ease of install and to have the flexibility to pull behind the HD or the Toyota. I don't anticipate issues. The install instructions were right on. 12759
by: Ker Cha04/08/2011
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excellent quality, everything fits perfectly to the stock harness plug, very easy installations with the instructions etrailer provided. Etrailer sent this product on the very same day i ordered and got it 3 days later, now thats what you call excellent customer service. They responded quickly to all my emails. If you need towing equipments look no further etrailer is excellent. I would recommend to everybody.11326
by: Jon L.02/02/2011
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Deliverd quickly. Took 20 minutes to install. Works GREAT!!!!6532
by: David W.12/23/2010
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trailer wiring harness The service was great, I orderd the part and it was sent FAST. This little device saves so much hassel in hooking up the connection to a trailer. When you compare it to buying all the individual parts it is a real bargin. Plus it is a straight forward, easy way to hook up trailer lights to a vehicle that isn't wired.4500
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