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  1. Custom Fit Vehicle Wiring
  2. Forest River
  3. Salem Hemisphere Travel Trailer
  4. 2022
  5. CURT
THIS ITEM IS NOT A FIT FOR
2022 Forest River Salem Hemisphere Travel Trailer
CURT

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Part Number: 55542
In Stock
$46.48
Retail:$69.95
You Save: 34%
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2022 Forest River Salem Hemisphere Travel Trailer

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The best technical support and full custom fit vehicle wiring installation instructions. Great price Salem Hemisphere Travel Trailer custom fit vehicle wiring and expert service. Forest River Salem Hemisphere Travel Trailer, 2022 custom fit vehicle wiring by CURT are available from etrailer.com. For expert service call 1-800-940-8924 to order your Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part number 55542, or order online at etrailer.com.
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  • Reviews (226)
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CURT Custom Fit Vehicle Wiring - 55542

  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Plug-In
  • CURT
  • Converter
  • Plug and Lead
  • Hidden

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.


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 - no cutting or splicing of wires
    • Locate connection points in rear cargo area
    • Plug in T-connector
  • Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
  • Constructed using surface-mount technology (SMT) for consistent, reliable performance
    • Maximizes trailer light yield and intensity while producing minimal heat
    • Ensures superior operation in rough road conditions
  • Comes with dust cap for 4-way flat connector


Specs:

  • Maximum amperage:
    • Stop/turn lights: 3 amps per circuit
    • Tail lights: 5 amps per circuit
  • Limited 1-year warranty


Installation

This custom-fit T-connector plugs into your vehicle's wiring harness, which is located behind the driver's-side and passenger's-side interior trim panels in your rear cargo area.


Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location within your cargo area.


It is recommended that you use a small amount of grease on all electrical connections - the plugs on your automobile and the 4-pole connector itself - to help prevent corrosion.


Tail Light Converter with Surface-Mount Technology

A tail light converter is built into this T-connector. Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of the trailer. This converter combines the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.


Curt builds each tail light converter using surface-mount technology (SMT). This method of construction involves soldering electronic components directly to the surface of a printed circuit board. SMT eliminates the need for leads, which are used in older through-hole technology. The result is a circuit board that is smaller yet provides more routing area and that offers superior performance, reliability and durability.


Curt SMT Circuit Boards

Circuit boards constructed using SMT have been shown to perform better under rough conditions with excessive vibration than those made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life. In addition, lower levels of resistance ensure better performance, especially for parts that operate at higher frequencies.


Each Curt circuit board is made using high-quality components that are pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.



55542 CURT T-Connector - Surface Mount Technology - 4 Wire

Installation Details 55542 Installation instructions


California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.9

226 reviews
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.

by:
2004 Toyota Corolla

Much easier than cutting and splicing



by:
2004 Toyota Corolla

Excellent fit. Installed easily.



by:

Easily installed, great directions.



by:

Easy install just follow the instructions, worked first time.



by:

Product was as advertised. Grade of wiring is minimal but functional.



by:
2004 Toyota Corolla

I Have never installed anything as easy as this. WELL WORTH THE PRICE!



by:
2007 Toyota Corolla

Best wiring job I've ever done took 10 minutes unbelievable.



by:
2012 toyota Corolla

product came in when expected and the items requested



by:

Completely satisfied. Quick free shipping and great products. Everything as promised.



by:

This installed very easy. Only took 10 minutes with very little effort.



by:
2007 Toyota Corolla

My son installed the trailer wiring on the 2007 Corolla without any problems.



by:
2006 Toyota Corolla

Followed the instructions and installed it in just a few minutes.All wires are out of the way till you need them



by:
2006 Toyota Corolla

EASY TO PLUG IN AS SOON AS I FIGURED HOW TO GET PLUG APART. HARD TO SEE IN TRUNK. I SHOULD HAVE STARTED ON RIGHT SIDE TAIL LITE FIRST



by:

Fantastic service and products. Super reliable and totally professional. I am a repeat customer and will continue to be.



by:

Great serviceThanks for the great service. I received my harness just in time for the week end.
Thanks again.

John Dow



by:

I HAVE PURCHASED FROM E-TRAILER SEVERAL TIMES AND HAVE ALWAYS BEEN PLEASED BY THE PRICE, QUALITY, AND QUICK SHIPMENT. I WILL BUY AGAIN.



by:
2009 Toyota Corolla

Process took about 10 minutes after reading the instructions.
Included photos showed exactly where everything was located.
Works perfectly.
Thanks



by:

as with the hitch that was purchased, the installation was easy, and as the connector shipped with the hitch, the project was totally completed in 35 minutes. thank you



by:
2010 Toyota Corolla

Curt could not have made it any easier. No cutting or splicing. Just follow the directions. Disconnecting the connectors can be a little difficult until you figure out how they work.



by:
Toyota Tacoma

Trailer lights on my Tacoma stopped working so I picked up this wiring harness and with a simple installation got the lights working.



by:

Works. Instructions could have been better. Could have come with some more zip ties, or better style of zip ties. Some of the cables could have been longer. Could have come with some replacement trunk liner fasteners because you will inevitably break some.



by:

Works perfectlyEasy to install with no wire-cutting or splicing into electrical system. Perfect match for factory wiring - just unplug a connector and plug in adapter between.



by:

Very simple to install. No splicing involved. Just open the trunk liner, disconnect both tail light connectors, and insert the new adapters. Secure with provided zip ties and two way tape then put the liner back in place. Takes about five minutes.



by:
2005 Toyota Corolla

SIMPLE AND QUICK TO INSTALL. NO WIRE CUTTING OR SPLICING. I HAVE ORDERED A TRAILER HITCH AND A WIRING HARNESS FROM ETRAILER AND I AM VERY HAPPY WITH BOTH. THANKS.



by:

after speaking to a service rep on the phone about installation, he was very helpful. I found installation to be a breeze. The trailer hitch and wiring were top notch I would recommend it to anyone.


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Show More Reviews

See what our Experts say about this CURT Custom Fit Vehicle Wiring

  • Trouble Shooting Wiring Issues on a 2006 Toyota Corolla
    Hey Harold sorry to hear you're having so many issues. It sounds like you've got an electrical gremlin in your Corolla. I recommend checking your battery cables and make sure the connection to the battery is as clean as possible. We had a guy here who drives the same vehicle and he was having all sorts of electrical issues and cleaning off the terminals solved his problems. The other suggestion I have is to check all the grounds and wiring connections starting at the trailer connector...
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  • Are Class II Hitches Available for a 2007 Toyota Corolla?
    Each hitch that is available for a 2007 Toyota Corolla is a Class I hitch with a 1-1/4" receiver such as the Draw-Tite # 24913. According to the '07 Corolla's owners manual, the towing capacity of the vehicle is 1,500 lbs, which is why there are no Class II hitches available. The Class I Draw-Tite has a 2,000 lbs towing capacity and 200 lbs tongue weight capacity, and if you were looking to tow, you would need to add a 4-flat connector # 55542 as well as drawbar # 3593, which comes with...
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  • Bolt Size to Install a Trailer Hitch on a 2004 Toyota Corolla
    The weldnuts in the frame for your 2004 Toyota Corolla to install a trailer hitch are M12 nuts. The bolts used to install a hitch, # C11265 as an example, are M12-1.25 x 30mm grade 5. It is recommended to clean out the weldnuts prior to installing the hitch. Road grime and corrosion can get compacted in the threads and you would not be able to thread in the bolts without first cleaning the weldnuts. I have included some links to the right that should help. If you plan on doing some towing...
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  • Troubleshooting Curt 4-Pole Wiring Harness 55542 on 2009 Toyota Corolla
    Thank you for purchasing the Curt trailer wiring harness # 55542 and for sharing the detailed troubleshooting steps you have already taken to find the issue with the passenger-side trailer lights. It sounds like you have had a friend connect his vehicle to your trailer and noted that the trailer lights all worked fine with his vehicle and wiring. Based on this it sounds like the problem is with the harness-to-vehicle connection point on the passenger side. Disconnect the passenger side...
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  • Need Trailer Wiring to Use on 2008 Toyota Corolla and Fold-Up Trailer Kit
    We have a custom fit vehicle wiring for your vehicle. I used the Fit Guide on the website and found that the wiring kit you need for your 2008 Toyota Corolla is the Curt Custom Fit Vehicle Wiring, part # 55542. This kit will wire into the vehicle wiring and allow you to connect your trailer to your 2009 Toyota Corolla. Yes, this custom fit wiring simply plugs into your factory wiring harness, it is a plug and play kit. When connecting the trailer wiring to your vehicle it is always a...
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  • Towing Capacity, Trailer Hitch and Wiring for a 2013 Toyota Corolla
    I checked the owner's manual for the 2013 Toyota Corolla. It states that the maximum gross trailer weight the vehicle can tow is 1,500 pounds if the trailer has brakes or 1,000 pounds if the trailer does not have brakes. But only for models with a 2.4 liter motor. At 1,200 pound you are under that 1,500 pound limit for a trailer with brakes. But towing will put additional stress on the vehicle. For a trailer hitch I recommend # C11265. The recommended ball mount is # C45521. For a 1-7/8...
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  • Receiver Hitch Recommendation for a 2008 Toyota Corolla LE
    You are correct, the Curt and Draw-Tite receiver hitches all look very similar and also offer the same weight capacities. The biggest difference between the two brands of receiver hitches for your 2008 Toyota Corolla is the fact that the Curt, # C11265, requires the use of stabilizing straps, # 18050, for all non-trailer loads like bike racks, cargo carriers and so forth. Failure to properly support these loads will void your hitch warranty from Curt. The Draw-Tite brand does not require...
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  • Difference Between the Tow Ready Harness and the Curt Harness for a 2009 Toyota Corolla
    The reason a wire is run to the battery on the Tow Ready Harness # 118459 is to help protect the tail light circuitry of your 2009 Toyota Corolla. You see, the # 118459 uses the tail light circuitry of the vehicle merely as signal wires and powers the tail lights of your trailer with the power it gets from the battery. Tail light circuits can be damaged if they are overdrawn and the # 118459 eliminates this problem by bypassing the tail light circuits as power sources. The Curt T-Connector...
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  • Weight of Curt Trailer Hitch Receiver # C11265 For a 2013 Toyota Corolla
    The Curt Trailer Hitch Receiver # C11265 for your 2013 Toyota Corolla weighs just 20lbs. I do recommend also installing the Curt T-Connector Vehicle Wiring Harness # 55542 when you install the receiver. This 4-way allows you to connect to small trailers or use Auxiliary Lights # C53201 with large hitch mounted accessories. The 4-way weighs less than 1lb if you are concerned about overall weight being added.
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  • Troubleshooting Both Trailer Turn Signals Coming On With Right Blinker
    Sounds like you have some of your trailer wires shorted out to each other. You will need to go over the wiring of the connector on your tow vehicle and trailer to find the short between the two and fix as needed. I attached a couple help articles on troubleshooting trailer wiring for you to check out as well. You can also try improving the grounds of the lights to see if that helps too. Sometimes insufficient grounds cause all sorts of weird behavior.
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  • Trailer Hitch for 2005 Toyota Corolla
    The trailer hitches that fit your 2005 Toyota Corolla are all Class I hitches, and with that class of hitch, the manufacturers have a specific ball mount which is required, and it must be in a particular position. For example, I recommend the Draw-Tite Trailer Hitch Receiver # 24913 for your 2005 Corolla, and the required ball mount is the Draw-Tite Drawbar # 3593, which must be in the rise position only, as you can see by the cut out of the linked installation instructions I added. This...
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    Image 1 for Image 2 for
  • Can I Install the Hitch from My 1997 Toyota Corolla onto my 2004 Carolla
    To put a hitch on your 2004 Toyota Corolla Sedan you would need a Draw-Tite Trailer Hitch for the Toyota Corolla, 2004, part # 24913. If your newer Corolla was from the years 1993-2002 you could reuse the hitch from your 1997 Corolla, but the 2004 has a differently designed frame from your 1997 that would not allow you to install the hitch onto your 2004. Here are some other items you may need to complete your towing setup: Curt Custom Fit Vehicle Wiring for the Toyota Corolla, 2004,...
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  • Trailer Wiring Harness Recommendation for a 2010 Toyota Corolla Sedan
    The T-One Vehicle Wiring Harness with 4 Pole Trailer Connector, # 118459, is a powered converter that requires a direct connection to the vehicle battery. This virtually eliminates the power draw from the vehicle tail light wiring which protects the sensitive circuitry. The Curt T-Connector, # 55542, does not require a direct connection to the battery but the power draw from the trailer comes directly from the tail light wiring. For your 2010 Toyota Corolla, I recommend going the safer...
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  • Recommended Trailer Hitch Receiver And Wiring For 2007 Toyota Corolla CE
    The Draw-Tite Sportframe Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # 24913 will fit all Toyota Corolla models from 2003-2017. It is a confirmed fit for your 2007 Toyota Corolla CE. If you will be using this hitch for towing, I recommend the compatible ball mount # 3593 and a hitch ball like # 19256 for a 1-7/8 inch option or # 19258 for a 2 inch diameter ball. For wiring, I recommend the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 55542...
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  • Will TowReady Trailer Wiring Harness # 118459 Fit 2004 Toyota Corolla
    The TowReady powered wiring harness # 118459 is designed for the 2009 through 2013 model years of the Toyota Corolla. For your 2004 Corolla the recommended harness is Curt # 55542. This kit is simpler to install and actually will deliver higher rated current output than the Tow Ready kit. Your Corolla has heavier wiring than later model years and so can use the non-powered Curt harness. However, my contact at Tow Ready did confirm that you could use kit # 118459 on your 2004 Corolla...
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  • Hitch Recommendation for a 2012 Toyota Corolla S
    I checked with Curt and the Curt Hitch part # C11265 that you referenced is confirmed to fit all model 2012 Toyota Corollas so it would work on your S model. I attached an install video for you to check out as well. For trailer wiring you would want the Curt Wiring Harness part # 55542, ball mount # C45521, 1-7/8 inch ball part # 19256, 2 inch ball part # 19258.
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  • Does Trailer Wiring for 2009 Toyota Corolla Need to be Grounded
    The Curt trailer wiring harness part # 55542 that you have does have instructions that say to ground a white wire yet the harness does not have a white wire to ground. That step is in there by mistake and you would be fine to ignore it.
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  • Trailer Hitch and Trailer Wiring Harness for 2007 Toyota Corolla
    The 2007 Toyota Corolla is capable of towing up to 1500 lbs, per the owner's manual. For an easy to install hitch, I'd recommend the Curt Class I hitch, part # C11265. You'll also need the # 55542 trailer wiring harness you'd looked at, a # C45521 ball mount and a # PC2 hitch pin. For a trailer ball, use # 19256 for a 1-7/8 inch or # 19258 for a 2 inch trailer ball. As you can see in the installation videos I've linked for you, the installation is pretty simple and straightforward. I've...
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  • Will Curt T-Connector Wiring Harness # 55542 Fit a 2011 Toyota Corolla
    The Curt T-Connector Wiring Harness, part # 55542 will fit your 2011 Toyota Corolla. This wiring harness will plug into the factory connectors located behind the tail lights. I also offer the Tow Ready T-One Wiring Harness, part # 118459 for your 2011 Toyota Corolla. This wiring harness also connects to the connectors on the tail lights, but it also includes a powered converter that requires a direct connection to the vehicles battery. This will eliminate the power draw from the vehicles...
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  • Can a 110 Pound Ice Cream Trike be Carried on a 2007 Toyota Corolla LE
    Since the trailer hitches for your 2007 Toyota Corolla are all Class I there isn't going to be a hitch mounted option that will work. Even with a higher Class hitch the trike carriers are not rated for more than 100 pounds. The best solution I can offer is to put the ice cream trike on a small utility trailer and tow it. I can offer everything but the trailer. For a trailer hitch I recommend Draw-Tite trailer hitch # 24814 with ball mount # 3593. For a 1-7/8 inch ball use # 19256 and for...
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  • When headlights are on, Left Turn Signal Does Not Work After Wiring a 2006 Toyota Corolla
    It sounds like you have a bad ground connection. You are correct that the # 55542 harness uses the vehicle ground, so I would turn my attention to the trailer. If all ground connections are not making good contact to bare metal, when the tail lights are turned on then the trailer lights will go out or not function properly. You will need to check all of the ground connections especially where the taillights are mounted to the trailer frame, and where the light brackets are mounted if...
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  • Will Malone Microsport Trailer Be Towed Easily with 2006 Toyota Corolla
    Yes, the lightweight Malone MicroSport Trailer part # MPG462G2 will work great with the towing setup you mentioned for your 2006 Toyota Corolla. Only thing you'll need additionally is trailer wiring like part # 55542 and you'd be set.
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  • Vehicle Wiring Harness For A 2004 Toyota Corolla
    We do have a plug and play kit that is confirmed to fit your 2004 Toyota Corolla. The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 55542 will plug into your vehicle's wiring harness, which is located behind the driver's-side and passenger's-side interior trim panels in your rear cargo area. It is recommended that you use a small amount of grease # 11755 on all electrical connections including the 4-pole connector itself. This will help prevent corrosion....
    view full answer...
  • Recommendation for Transporting Mobility Scooter with 2006 Toyota Corolla
    The easiest way to transport a mobility scooter with your 2006 Toyota Corolla is to use a small trailer with a ramp. We do not offer any hitch-mount cargo carriers with a ramp that will fit the Class I trailer hitch on the Corolla. To tow a trailer with the 2006 Corolla, you will want the recommended drawbar # 3593 for the Draw-Tite Class I Trailer Hitch # 24913. The # 3593 drawbar offers 2-1/8 inch rise or a 2-3/4 inch drop, and comes with the needed pin and clip. For a hitch ball with...
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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Robert G
Expert Research:
Robert G
Employee Jeff D
Expert Research:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Lindsey S
Updated by:
Lindsey S
Employee Wilson B
Updated by:
Wilson B
Employee Kristina F
Updated by:
Kristina F
Employee Isabelle B
Updated by:
Isabelle B
Employee Joshua S
Video by:
Joshua S
Employee Nicholas E
Test Fit:
Nicholas E
Employee Andrew L
Video Edited:
Andrew L
Employee Cole B
Installed by:
Cole B

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