2018 GMC Terrain Trailer Wiring

Name: Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
Brand: CURT
SKU: C94FR
Price: 37.08 USD
Availability: InStock
Rating: 4.75897435897436 (195 reviews)

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Best 2018 GMC Terrain Custom Fit Vehicle Wiring Harness Options

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

Shown on 2024 GMC Terrain

195 reviews

Code: C94FR

$37.08

Retail:$63.24

You Save: 41%

In Stock

Custom Fit Vehicle Wiring Specs:

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

Plug-In Location:

Under vehicle, center

Features:

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.

Tech Tip:

Product has necessary relays integrated into the wiring.

More Information >

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

Shown on 2018 GMC Terrain

73 reviews

Code: C56375

$20.62

Retail:$31.95

You Save: 35%

In Stock

Custom Fit Vehicle Wiring Specs:

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

Plug-In Location:

Under vehicle, center

Features:

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.

Tech Tip:

Product contains relays needed to activate the tow package.

More Information >

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
without factory tow package

Shown on 2020 GMC Terrain

55 reviews

Code: 118764

$70.22

Retail:$99.60

You Save: 29%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Visible
Powered Converter
No Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Behind driver and passenger side tail lights

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.

Installation Notes:

Exterior mounted plug on some or all models. May require an aftermarket electrical mounting box or bracket (sold separately)

More Information >

T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector
with factory Tow package

Shown on 2018 GMC Terrain

217 reviews

Code: 118285

$23.85

Retail:$55.96

You Save: 57%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Visible
Powered Converter
Factory Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Under vehicle, driver side

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-One connector plugs directly into OEM tow package harness - no cutting, splicing or tapping required.

Installation Notes:

Exterior mounted plug on some or all models. May require an aftermarket electrical mounting box or bracket (sold separately)

Tech Tip:

Product contains relays needed to activate the tow package.

More Information >

T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector
with factory Tow package

Shown on 2024 GMC Terrain

4 reviews

Code: TK67KR

$92.06

Retail:$116.37

You Save: 21%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Visible
Powered Converter
Factory Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Under vehicle, driver side

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into OEM tow package harness - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring.

Installation Notes:

Exterior mounted plug on some or all models. May require an aftermarket electrical mounting box or bracket (sold separately)

Tech Tip:

Product contains relays needed to activate the tow package.

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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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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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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Hey Tim, The ZCI Circuit Protected Vehicle Wiring Harness #119250KIT is compatible with LED lights and has been used as a go to for years for people who have LED trailer lights. The light function is supposed send a tiny bit of voltage from the…

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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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Hi Jerry, For your 2025 Kia Sorento PHEV you would need the Curt Trailer Hitch Receiver #C37RV for the trailer hitch. The right light kit for your Sorento is going to depend on a few factors. For models with the tow package, like you stated you have,…

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What is the Difference Between Curt and Towsmart Hitches for a 2025 Kia Sportage

Hey Piotr, thanks for reaching out! The weight ratings between the Curt Trailer Hitch Receiver #C94WR and Towsmart Trailer Hitch Receiver #TS96VR that fit your 2025 Kia Sportage are determined by the testing done according to those manufacturers. I…

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Will EcoHitch Hidden Trailer Hitch Receiver Fit 2025 Kia Carnival Hybrid

Hi David; the good news is the EcoHitch Hidden Trailer Hitch Receiver #EH92KR does fit the hybrid model of the 2025 Kia Carnival. This has a concealed cross tube so you won't lose a lot of clearance and a bolt-on installation. If you're…

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What Hitch Do You Recommend for a 2024 Toyota RAV4?

To add a hitch to your 2024 Toyota RAV4, I recommend the etrailer item #e23ZR. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a 4,000 lbs towing capacity, and a 600…

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