Looking For 7-Way Wiring Harness And Brake Controller For 2022 Chevy Express 3500

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Question:

I am looking for the correct wiring for a 3500 Chevrolet express van. I want wiring that is setup for the necessary power for a brake controller and I want a compatible brake controller. Thanks!

asked by: Dan H

0

Expert Reply:

Hello Dan, thanks for reaching out. We have exactly what you are looking for. Assuming your express van currently has no trailer hookup of any kind. Here is what you will need:

- Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 55540

- Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires # ETBC7

Those two kits combined contain everything you need to wire you van with both a 4-flat and 7-way trailer connector, including all of the necessary wires for a brake controller. For the controller, the Tekonsha P3 # 90195 is the best, most reliable option.

I have linked a few install videos for you below that you should find useful.

What kind of trailer will you be pulling?

expert reply by: Jesse M

0

ETBC7 Diagram
(click to enlarge)

Jesse M.

9/8/2025

Hey Dan, did the wiring kits and brake controller work out for your Chevrolet van? I'm curious to know how it all came together, as it could help others looking to set up their vans for towing.

Answer 1

Thanks for the picture Don! I do not have anything that connects to that 10-pin so I am hoping you're just at the wrong connector. I have linked a picture below along with an installation video that will show you what the Hopkins item #31345…

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Answer 2

Hey Don! If you don't already have a 4-way that is where you need to start. You can add a 4-way using the Curt T-Connector Vehicle Wiring Harness #55540. Once that is installed you will upgrade it to a 7-way using the Universal Installation Kit…

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Answer 3

I can definitely point you in the right direction. These Savana models can be tricky when installing a dash mount brake controller like the Tekonsha P2 #90885. If the vehicle has the factory tow package with a 7 way plug, there should be a blue wire…

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Answer 4

Hey Joseph, since your 2022 GMC Van doesn't have the 7-way wiring that would indicate it doesn't have the factory tow package so you'd need to go a different route to install a 7-way. You'd need to first start with the 4-way kit part…

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Answer 5

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 6

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 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

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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Answer 9

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 10

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 11

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 12

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Looking For 7-Way Wiring Harness And Brake Controller For 2022 Chevy Express 3500

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