2021 BMW X3 Trailer Wiring

Name: T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
Brand: Tekonsha
SKU: TK77FR
Price: 99.19 USD
Availability: InStock
Rating: 4.84090909090909 (44 reviews)

Expert Review Video:

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Finding the Right Trailer Wiring Harness

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Multiplexed wiring with combined circuits. A powered converter module is required to safeguard the vehicle's wiring, read the voltage levels, and better support the trailer lights.

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
X3 M

44 reviews

Code: TK77FR

$99.19

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Custom Fit
4 Flat

Plug-In Location:

Behind driver and passenger side tail lights - externally

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring system.

More Information >

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
excluding X3 M

44 reviews

Code: TK77FR

$99.19

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Custom Fit
4 Flat

Plug-In Location:

Behind driver and passenger side tail lights - externally

Features:

More Information >

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector
X3 M

Shown on 2019 BMW X3

1120 reviews

Code: C59236

$70.68

Retail:$120.95

You Save: 42%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Universal Fit
4 Flat

Features:

Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration resistance. Works with 2-wire, 3-wire, and PWM systems.

More Information >

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector
excluding X3 M

Shown on 2019 BMW X3

1120 reviews

Code: C59236

$70.68

Retail:$120.95

You Save: 42%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Universal Fit
4 Flat

Features:

More Information >

ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit
excluding X3 M

445 reviews

Code: 119250KIT

$175.20

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Universal Fit
4 Flat

Features:

Install a 4-way trailer connector on your vehicle without cutting or splicing into your wiring. Zero-contact interface sensors identify the current flowing through each wire by simply clamping onto it. Circuit-protected module is made using SMT.

More Information >

ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit
X3 M

445 reviews

Code: 119250KIT

$175.20

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Converter
Universal Fit
4 Flat

Features:

More Information >

Towing Kit w/ Ball Mount and Trailer Wiring for Stealth Hitches Hidden Rack Receiver - 2" Ball
excluding X3 M

30 reviews

Code: 391CONVD5

$299.00

In Stock

Towing Kit
Stealth Hitch

Features:

Use your Stealth Hitches rack receiver to tow a small trailer with this all-inclusive towing kit. Remove the receiver attachment from your hitch and insert the included ball mount. Custom-fit 7-way harness, hitch ball and safety chain loops included.

Tech Tip:

This kit is designed to work with the vehicle specific Stealth Hitch trailer hitch.

More Information >

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

Code: C74RJ

$110.78

Retail:$140.95

You Save: $30.17

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Powered Converter
Custom Fit
4 Flat

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.

More Information >

Towing Kit w/ Ball Mount and Trailer Wiring for Stealth Hitches Hidden Rack Receiver - 2" Ball
X3 M

8 reviews

Code: SH58VR

$299.00

In Stock

Towing Kit
Stealth Hitch

Features:

Tech Tip:

This kit is designed to work with the vehicle specific Stealth Hitch trailer hitch.

More Information >

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What is the Difference Between a Class II and a Class III Hitch?

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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What is the Difference Between a 4-Way and 7-Way Trailer Connector

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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What Is An OEM Prep Package And How Do I Know If I Have It

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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Difference Between Curt and etrailer Trailer Hitch Receivers for 2020 Chevy Colorado

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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My Vehicle has a 4-Pin Trailer Plug, but Trailer has 7-Pin Trailer Plug

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Difference Between Curt & etrailer Trailer Hitches For 2024 Subaru Crosstrek Wilderness

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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Does Truck with 6-1/2 ft bed Have to Use Slider Hitch for Turning Clearance with Fifth Wheel Hitch

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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How to Determine Correct Curt 4-Way Wiring Harness For 2024 Kia Telluride

Yeah, it is definitely a bit to sort through, so I think we can help you out with the right 4-way wiring harness for your 2024 Kia Telluride. We'll start with the easy one, which is if you want to hardwire a 4-way, the model of your Telluride…

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What is the Difference Between the Tekonsha Prodigy P2 and the P3 Brake Controllers

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Comparing the Curt Hitch C13416 and EcoHitch Hitch 306-X7396 for a 2019 Toyota RAV4

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Differences Between Curt, Draw-Tite, and etrailer.com Trailer Hitches for 2019 Subaru Outback Wagon

I definitely understand being a bit overwhelmed by the amount of options in front of you, however I can definitely help with differentiating the trailer hitches for your 2019 Subaru Outback Wagon along with explaining my personal recommendation,…

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Comparing Curt and Draw-Tite Trailer Hitch Receivers for 2022 Hyundai Tucson

You are correct that both the Curt #C94WR and Draw-Tite #DT22MR you were looking at for your 2022 Hyundai Tuscon are very similar. Both hitches share the same 525lb tongue weight and 3,500lb trailer weight ratings, both share the same hidden…

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