Airbrake Freightliner Truck to Electric Brake Trailer Wiring Needed for Brake Controller

Question

Question:

Airbrake truck to electric brake trailer I have a 2007 Freightliner M2 business class air brake single axle truck, I want to pull an electric brake trailer, what extra parts do I need other than the brake controller. Attached is the brake controller that I purchased from you.

asked by: Wayne J

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Expert Reply:

Thanks for the photo of your Prodigy P3 # 90195. That will work well for your application. You will also need a wiring harness that can handle multiplex systems like the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT and then the Brake Controller wiring kit # ETBC7. This wiring harness will capture the light functions needed and then the brake controller wiring kit will give you the 7-way and circuit breakers you need to give you the other electric brake trailer wiring connections. This won't alter your truck's wiring at all other than grabbing a brake light signal and adding reverse if desired. With the brake light signal and the internal accelerometer you will have trailer braking proportional to your truck braking for a smooth ride.

expert reply by: Jason S

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Answer 1

I do have an option for you but there aren't any custom fit trailer hitch options for a 2006 Thomas School Bus. That said, we do still have universal options which can be installed either via welding or cutting/drilling. For this, I recommend the…

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Answer 2

While we have a potential option for you, the hitches that fit a 2000 Chevy Express van have mounting holes 40 inches apart, and additionally the manufacturers expressly state they do not fit the cutaway models, so you will need one of the universal…

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Answer 3

The Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional #335DL-100 you were looking at for your 2013 Freightliner M2 112 pulling a Kaufman Wedge Car Hauler will be perfect. The 335DL-200NE you were looking at has…

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Answer 4

I looked and was not able to find any trailer wiring or brake controller wiring for your 2016 Seneca 37ts motorhome which is built on a Freightliner M2 chassis. You will need to start with a 4-way. For that you would want the #C59496. This will be…

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Answer 5

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 6

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 7

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 8

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

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Answer 9

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 10

The first thing you will need for your 1999 D250 is a 4-way. The Curt T-Connector Vehicle Wiring Harness #C55317 plugs into the connection points behind your rear bumper and will allow you to power your trailer's signal lights. Once the 4-way is…

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Answer 11

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. 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…

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Answer 12

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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Airbrake Freightliner Truck to Electric Brake Trailer Wiring Needed for Brake Controller

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