What Trailer Wiring is Needed for 2024 Subaru Outback Wagon

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Question:

I have a 2024 Subaru Outback XT. I would like to get an Aliner LXE and want to understand the wiring requirements. Thanks, Ryan

asked by: Ryan R

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Expert Reply:

Hey Ryan, so I looked up the Aliner LXE and it doesn't look like a trailer that would have brakes so most likely all you need is a 4-way confirmed as a fit for your 2024 Subaru Outback XT like the Tekonsha part # 118467 which installs pretty easily. 4-way trailer wiring basically controls all of the taillight functions on a trailer but nothing else

If instead the trailer DOES have brakes you would need to convert the 4-way to a 7-way with the part # ETBC7 so that you can install a brake controller like the Prodigy P2 part # 90885. A 7-way has the same circuits as 4-way plus addition of trailer brakes and 12 volt accessory circuit for charging a battery if needed.

expert reply by: Jameson C

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Ryan

8/8/2024

Is the ETBC7 something that I can easily install after the fact?

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Jameson C.

8/8/2024

@Ryan Yes, it does not need to be installed at same time as the 4-way and you wouldn't save anytime or anything doing at that time. Basically the 4-way plugs into the ETBC7 and then you run a few wires after that.

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Ryan

8/9/2024

@JamesonC it looks like all the Aliner trailers come with power breaks as standard feature. I will need a 2 in ball and 7- pin plug, this will give power to the brakes, 12-v power to operate the lights etc. I also need to set the ball 21" or 23" from the ground depending on tire size. So what is my shopping list? And where can I get this installed.

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Jameson C.

8/11/2024

@Ryan Okay so brake controller and ETBC7 will cover the 7-way and operating the trailer brakes. If you don't have a hitch you would want the etrailer part # e25TR. Since this has it's hitch opening height at 16 inches you'd need a rise of 5 inches like the part # 40346 to get to the 21 inch dimension you mentioned. Then for a 2 inch ball you'd want the part 63845. I attached a link to find a local installer for you to check out as well.

Helpful Links

installer/near-me/wentzville-mo/trailer-brake-controller

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See All (9) Replies to Ryan ∨

Answer 1

To add a hitch to your 2024 Subaru Outback, I recommend the etrailer Hitch item #e25TR. This hitch is custom fit and bolts to your Subaru with included hardware. This is a class III hitch with a 2" receiver. It has a 3,500 lbs towing capacity…

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Answer 2

The EcoHitch #EH34FR doesn't provide an integral bracket for installing a 7-way trailer connector. We offer bracket mounts that usually work pretty well, which will use a pipe clamp to attach to the hitch crossbar, but because the crossbar will…

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Answer 3

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 4

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 5

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 6

There is only one difference between the Curt Trailer Hitch Receiver #C13176 and etrailer Trailer Hitch Receiver #e98909 that fit your 2020 Chevrolet Colorado, which is the finish. The Curt trailer hitch has a glossy black finish while the etrailer…

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Answer 7

Yep, so long as your 2024 Subaru Crosstrek Wilderness is not a hybrid both the Curt and etrailer hitches will fit: - Curt Trailer Hitch Receiver #C13382 - etrailer Trailer Hitch Receiver #e98912 The only difference besides price is the finish; the…

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Answer 8

The trailer brakes work on a separate circuit than the lights. You have a couple of options to control the electric brakes on the trailer. One option is to use an air over electric brake control, #HA100400C. This unit connects to the air brakes on…

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Answer 9

The best brake controller option to go with is one that activates the brakes proportionally instead of time delayed. A proportional brake controller will activate the trailer brakes at the same time and with the same intensity as the tow vehicle…

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Answer 10

Hey Antoine, so the two kits you mentioned are actually really similar and honestly I would go with the part #ETBC7 if I were you. The #ETBC7L is basically the same thing minus a couple wires and breakers so you may as well get the kit that has…

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Answer 11

If you have a vehicle specific wiring harness for a brake controller then that would indicate that you have a factory tow package and subsequently would already have a 7-way at the back of your vehicle. The universal 7-way connector #ETBC7 is meant…

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Answer 12

I would be happy to help you and make a recommendation based on fitment. First of all you won't have to drill into anything to mount your 7-way vehicle connector. All you will need is the Curt Easy Mount Bracket item #C58000. This bolts directly…

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What Trailer Wiring is Needed for 2024 Subaru Outback Wagon

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