What Does Lever On Side of Hayes HA81742B Energize III Brake Controller Do

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Question:

what do you do with the switch on the left side of the Hayes Energizer III break controler

asked by: Michael M

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Expert Reply:

The lever on the side of the Hayes # HA81742B Energize III brake controller is what levels the internal pendulum for the accelerometer that determines how quickly the vehicle is braking. Once installed, the lever should be pointed downward, at a 90º angle to the floor of the vehicle.

This controller has a rudimentary display consisting of one LED, which isn't very user friendly. If you're pretty experienced using brake controllers, this might be a good choice for you but if you aren't, I'd recommend a controller with a more intuitive display that auto-levels and is easier to use like the Tekonsha BRAKE-EVN, part # TK63VR

The BRAKE-EVN controller will self-level, and the accelerometer that senses how quickly the tow vehicle is braking is solid state, versus an actual pendulum like what's used in the Energize III controller, so it'll be more reliable over time. The BRAKE-EVN provides a LED digital display that shows the power output in volts, and will display any applicable error codes should problems occur. All in all, it's much easier to use and the price differential is about what you'd pay for lunch at a fast food restaurant.

Depending on the year, make and model vehicle you're installing it in, there might be a vehicle specific wiring harness available. I'd be happy to recommend one if you provide that info about your vehicle.

If your vehicle is NOT prewired to install a brake controller, you'll need a universal pigtail to provide a quick disconnect. For the Hayes controller, that's part # HA81789-HBC or # 20127 for the Draw-Tite.

I've linked to a video that explains how the # 5535 brake controller works.

expert reply by: Mike L

0

Answer 1

I haven't heard of the Curt 7-way tester not working with OEM brake controllers. There was a Tekonsha tester that had problems with Dodge and GM trucks so it is possible. We have been able to confirm that the Pollak 7-Way to RV Socket LED Circuit…

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Answer 2

The best brake controller I would recommend for your 2018 Ford F-150 is the Prodigy P3 Brake Controller part #90195. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake…

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Answer 3

Since you don't have the pins in the fuse position 24 that means you will need to use the Kit #5506 to install the Prodigy P3 #90195 with the Adapter #22292 on your 2018 Ford F-150. For some reason Ford doesn't always have that 24 location…

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Answer 4

The Dexter Nev-R-Adjust electric trailer brakes can be manually adjusted. There are a couple teeth of the adjustment wheel that are exposed just under the lever that you referenced. I have attached a photo showing the teeth. You will likely need a…

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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

All of the FOBs/remotes of the AutowBrake part #3430001 operate on the same frequency so if you ordered 20 of these you wouldn't have to worry about keeping them straight.

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Answer 7

No, trailer wiring harness #118252 only provides the basic lighting functions (turn signals, brake lights, and running lights). If the trailer has electric brakes then you would need to add another connector, the most common of which is the 7-Way…

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Answer 8

The tire on the Kenda 165/65-8 Bias Trailer Tire with 8" White Wheel - 4 on 4 - Load Range C #AM3H200 has a speed rating of 65 mph. This wheel and tire combo has a maximum capacity of 800 lbs (per wheel/tire) and fits a 4 on 4" bolt…

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Answer 9

There are a few things that you can do to help out your 2013 Ford Explorer for when you are towing. You can add an air intake system, a tuner, and also an aftermarket transmission cooler to get the most out of your Explorer. I do recommend getting…

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Answer 10

All of the 2015 Honda Pilots would have a hitch installed on them from Honda. So that is one less piece of the puzzle that you would need. Since you wanted to do some towing you might be interested in etrailer ball mount kit #989900. It comes with 2…

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Answer 11

Based on your 2015 Honda Pilot EX 4WD having an included Class-III trailer hitch, I tend to think you have existing wiring behind the trim panel in the cargo area on the driver side and under the vehicle on the driver side. The T-One wiring harness…

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Answer 12

Trailer brake controllers come in both time-delay and proportional types, the Tekonsha Prodigy P2 #90885 being an example of the latter. Generally we suggest proportional controllers over the time-delay type since they deliver more even braking…

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What Does Lever On Side of Hayes HA81742B Energize III Brake Controller Do

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