2016 Sorento V6 AWD Trailer Wiring Harness - Kia Forum
 
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post #1 of 8 (permalink) Old 01-09-2017, 10:36 PM Thread Starter
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2016 Sorento V6 AWD Trailer Wiring Harness

I bought online and fitted the OEM Kia trailer wiring harness that plugs in behind the rear driver side wheel. Part number C6061-ADUS9. I followed the simple but very brief instructions but I have found a problem - it is always hot. Even when car is switched off, and locked, it is still providing power to the trailer lights. I have to unplug if the trailer is attached for any period of time when parked.

There seem to be three possibilities:

First the Kia loom always provides power to the trailer harness and it figures out somehow when the lights are off and disconnects power to the trailer i.e. the part is faulty.

Second, the car loom is faulty and shouldn't be providing power to the trailer harness.

Third - there's a step not documented in the instructions that involves changing something on the car itself. I did have to change a fuse rating as part of the kit but I'm confident I did that correctly.

I did call the (not very local) Kia dealership but they just said they'd need to have the car to investigate. I'll do that at the next service..... but does anyone have insights they'd like to share?

Thanks
Chris

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post #2 of 8 (permalink) Old 01-09-2017, 11:43 PM
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Tow harness recall coming.

2016-2017 Kia Sorento, 2016 Sportage recalled for brake light glitch - The Car Connection
http://www.thecarconnection.com/news...e-light-glitch

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post #3 of 8 (permalink) Old 01-10-2017, 08:16 AM Thread Starter
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Thanks - that is interesting and definitely worth a follow-up.

Chris
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post #4 of 8 (permalink) Old 02-10-2017, 06:57 PM
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Had my free oil change today and service manager told to me to make an appointment for my wiring harness to be replace. I've been waiting since October for a replacement. I take it in on the 21st.

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post #5 of 8 (permalink) Old 02-17-2017, 01:46 PM
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Here are the instructions for the Kia trailer harness. Note that this is only for the Sorento models that are prewired with the "tow package".

Some interesting things to point out:

1) It looks like you need to replace the existing 30 amp trailer fuse with the provided 15 amp trailer fuse. I wonder why that is?

2) There is a electrical schematic on the last page and it shows a provided (+) power wire. I wonder if it would be possible to tap into this wire in order to convert to a 7-pin trailer plug, instead of installing a wire directly to the battery?

Otherwise, this looks like a fairly simple, straight forward install.
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File Type: pdf Kia Harness.pdf (496.4 KB, 18 views)
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post #6 of 8 (permalink) Old 02-26-2017, 12:22 PM
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Just installed the OEM harness over the weekend.

If anybody is thinking of doing it themselves it's pretty straightforward with the provided instructions and YouTube videos from etrailer.

The only thing that was a pain in the butt was routing the zip ties for the control unit. It's a little difficult to reach and maneuver while laying on your back.

FYI, I installed the harness after the dealer installed the OEM hitch. Service advisor thought the hitch might needed to be removed before installing the harness which is absolutely not true. The reason the dealer did not install the harness at the same time as the hitch was because the harness was not available at the time.
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post #7 of 8 (permalink) Old Yesterday, 06:22 AM
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I just installed the curt wire harness using video instructions on etrailer.com. Was a bit tricky to route the wires but I didn't have to remove the hitch. Only the tail lights and a couple covers underneath.


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post #8 of 8 (permalink) Old Yesterday, 02:43 PM
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Got my recall letter today

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