Hayes Brake Controller

Hayes Energize Series Brake Controller is a proportional brake controller. It reacts instantly to any pressure on the brakes and ensures smooth stops when pulling a trailer.

Hayes Electric Drum Brakes are available for 10 or 12 inch hubs and drums. They are manually adjustable and are for 3,500 or 7,000 lbs axles.

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Hayes Reviews and Installation Videos

Review of Hayes 12" x 2" Right Hand Electric Trailer Brakes

Review of Hayes 12" x 2" Left Hand Electric Trailer Brakes

Expert Answers about Hayes

Trailer Locks Up when Brakes are Applied
Your controller has an adjustment to set the amount of power that is initially supplied to the brakes on the trailer. If you have tried adjusting the setting and still have the trailer brakes locking up then you need to bench test the brake controller. Below I have posted a link to a video on how to test your controller. Using this guide will help to diagnose if the problem is the brake controller or eliminate it if the problem lies elsewhere. Test the brake controller without the trailer hooked
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How to Install the Hayes-Lemmerz Brake Controller # 81741B on a Vehicle Without a Brake Control Plug
To connect the Hayes-Lemmerz Energize III Brake Controller, # 81741B, to your truck, you will need to cut off the plug on the brake controller. This will allow you to splice each wire from the brake controller individually. The Hayes-Lemmerz brake controller has a plug on the end because Valley used to make brake-control adapters that would allow you to simply plug the brake controller into the tow vehicle. Since your vehicle does not have a plug-in port for a brake controller, you can simpl
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Installing a Trailer Brake Controller on a 2013 Chevy Silverado
The wire colors on the tow package wiring on your 2013 Chevy Silverado will not match up color for color. You have to go by function. The wires under the dash should have been held together with a white tag listing their functions. If so then you just have to attach the brake controller wiring as follows: White is ground Black is 12 volt power Red is input from the brake switch Blue is output to the trailer brakes If the wires do not have the tag indicating their functions the GM wire c
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Installing a Trailer Brake Controller on a 2007 Chevy Avalanche
On a 2007 Chevy truck or SUV, in this case your Avalanche, under the dash there are tow package wires to install a brake controller. It sounds like you may have the red wire on the controller attached to an illumination circuit. Here is how it should wire into the truck: Brake controller black wire goes to truck red/black wire Brake controller white wire goes to truck white wire Brake controller red wire goes to truck light blue/white wire Brake controller blue wire goes to truck dark
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How to Terminate Power to the Trailer Brakes
There are several ways that you can cut off the power to your trailer brakes. The easiest option would be to simply unplug your brake controller. If the brake controller is disconnected, the brakes will not receive power. If your brake controller was hardwired and cannot be unplugged, you could cut the brake output wire anywhere between the brake controller and the trailer brakes. The brake output wire is the blue wire coming from the brake controller. This wire color may be different at you
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How to Hook up a Hayes Brake Controller # 81741B in a 2007 Chevy Silverado 2500 HD
I attached an FAQ article that details everything that you will need to do in order to install a Hayes Brake Controller # 81741B in your 2007 Chevy Silverado. Basically there are 4 blunt cut wires under your dash that you will wire to the # 81741B and then a few connections under your hood that you will need to make as well. You will need to cut the connector off the back of the # 81741B and then wire them to the blunt cut wires of your vehicle. Here is what the colors of the wires on the con
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Troubleshooting a Hayes energize III controller in a 2004 Chevy Silverado Z71
Most likely the problem is in the brake switch circuit. It may be that the connection is bad and its only making intermittent connection. I would start there and inspect the wiring first and fix as necessary. If it is not that check out the FAQ article I attached on troubleshooting brake controllers. For your year Silverado there will be a few connections under the hood that will need to be made before a brake controller will function. If you have not done that yet check out the FAQ articl
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How to Install Hayes-Lemmerz Energize III Brake Controller on 1986 Chevrolet C/K Series Pickup
To add electric trailer brake control to your 1986 C/K Pickup you will use the brake controller and installation wiring kit that you already have, and you will also need a 4-pole trailer connector if your vehicle does not already have one under the rear bumper. The attached FAQ article details the required components and installation steps. If you need a 4-pole trailer connector, you can use part # 118312. This plugs into your tail light wiring without cutting or splicing and provides the bas
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Troubleshooting Trailer Backup Lights Hooked Up To 2008 GMC Yukon XL
After talking to some of my fellow experts, I may have a solution for you. The cause of your issue may be that the connectors have built up corrosion since the last time you have used them and it is causing the power to be blocked or be sent down a different wire. You will want to check your connectors to ensure they are free of corrosion and moisture. It is also possible that the wiring may not be connected properly or that it may be damaged. You can use a circuit tester such as the # 3808 t
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Which Brake Wire is Used for Hayes-Lemmerz Energize Brake Controller on a 2009 Chevrolet Silverado
You will need to use the stoplight switch wire on your 2009 Chevrolet Silverado for the red stoplight switch wire on the Hayes-Lemmerz Energize brake controller # 81741B. If you look underneath your dash to the left of your steering column, you will find a bundle of wires that should have a white tag on them. Chevrolet runs the wires for an aftermarket brake controller for you, they just do not put a plug on them. The typical wire colors and connections for this bundle are listed below, b
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Parts Needed to Install a Trailer Brake Controller on a 2012 Jeep Liberty with Factory 7-Way
At this time there is no plug in simple type of connector for a brake controller but I can tell you how to install one on your 2012 Jeep Liberty with the factory 7-Way. First you will need a brake controller. I recommend the P2 # 90885. It is one of the best selling controllers of all time because it is easy to set up, easy to use, works well, and has good longevity. You will need to do a little hardwiring to install it. On your Jeep there should be a light green wire either behind the drive
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Brake Assembly Recommendation for a 1983 Hayes Axle with a 9,000 lb Capacity
The Hayes/AL-KO 12 inch Electric Brake Assembly # 185100 that you referenced is designed to fit on the standard 4 bolt pattern for brake assemblies and should bolt right up to your 1983 Hayes axle as long as it also is the standard 4 bolt pattern. Magnets do come in various sizes and varying strengths. It is recommended that you replace brake assemblies in pairs so that you have even braking on both sides. Since you have 9,000 lb axles you may be interested in purchasing brake assemblies w
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Trailer Brakes and Brake Lights Do Not Work with Brake Pedal on 1993 Ford F-250 and Hayes Controller
Usually when the manual override works but not the brake pedal then that means there is a bad connection on the brake controller red wire and/or a blown stop light or CHMSL fuse. I recommend checking the fuses first using the owners manual and/or the legend on the power distribution box lid to find their locations. Then you can check the connection on the red wire to see if it is still intact or needs to be moved. You can also make sure the leveler knob is in the correct position because if t
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Parts Needed to Install a Hayes-Lemmerz Energize III Brake Controller in a 2005 Nissan Frontier
Since your vehicle has the factory tow package there should be a harness underneath your dash, to left of the steering column, taped to another harness near the emergency brake pedal. To connect to this harness I would recommend you get a Tekonsha Plug-In Wiring Adapter # 3050-P. You will need to cut the black connector off of this harness, cut the wiring harness off the back of the Hayes-Lemmerz Energize III Electric Trailer Brake Controller # 81741B and then wire the controller to the side
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Red Indicator Light on Hayes Energize III Trailer Brake Controller Does Not Light Up as it Should
It sounds like there is a loose connection somewhere or the contacts inside the controller can be dirty. Check the red wire connection on the controller. If it has come loose make a new connection. To clean the contacts inside you will need to apply the manual override button on full then let it snap back into place. To this a few times. If the problem persists then disconnect the controller and make sure it is mounted straight in the direction of travel (within the restrictions of the instr
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Brake Controller Installation on 2008 Grand Cherokee Diesel
According to my contact at Tekonsha, there is not any special procedure or considerations for a brake controller installation on Diesel equipped models versus the gas-engined counterparts. To install your brake controller, you will look for a light green wire bundled up under the dash or behind the drivers side kick panel that would be next to your left foot while driving. This wire will connect the brake controller output (blue wire) to the 7-way. The power (black wire), ground (white wire)
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Procedure for Testing Electric Brake Magnets
First, do a visual inspection. You should make sure that the front of the magnet is not worn to the point where the interior copper windings are visible. Also, check the armature surface (inside rear of brake drum where magnet rides) is free of grooves and replace if necessary. Next, you can test the voltage at the magnet while the brakes are actuated. Turn your brake controller up to its maximum gain, and have a helper apply the manual override switch. If you use a circuit tester like part #
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Is Red Light on Hayes Trailer Brake Controller Supposed to Light Up with Brake Pedal and No Trailer
I spoke with my contact at Hayes and on the Energize III controller, # 81741B, the red light will come on when you step on the brakes with the trailer connected or not. Also, you should see some brightness variation in the light. The best way to test it is to use the manual override lever and see if the light gets bright when on full and dimmer as you release the lever. If it does not, use a circuit tester like # 3808 if needed to test the voltage output at the 7-Way connector while someone a
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Troubleshooting a Hayes-Lemmerz Energize III Electric Trailer Brake Controller Dragging Brakes
You definitely need your Hayes-Lemmerz Energize III Electric Trailer Brake Controller # 81741B to be aligned with gravity correctly for it to work right. I would check that first. Here are the steps for properly setting up the pendulum. A. Connect the trailer to the tow vehicle for this adjustment. If a load leveling hitch system is used, it should be connected and operational. Locate the tow vehicle and trailer on a flat level surface. Make sure the tow vehicle stop lamps are operating corre
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Connecting the Hayes-Lemmerz Energize III Brake Controller to a 2007 Hummer H3
Your 2007 Hummer H3 should have four or five blunt cut wires under the left side of the instrument panel to the left of the steering column. You should see a bundle that contains a red wire with a black stripe, a white wire, light blue wire with a white stripe, a dark blue wire and possibly an orange wire. The bundle could be above the emergency foot brake, behind the plastic kick panel or above the brake pedal. This bundle of wires is what is used to hook up the electrical lead wires coming
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Installing a Hayes Trailer Brake Controller on a 2007 Toyota Tacoma with Factory Wiring Harness
On the Hayes brake controller # 81741B the white wire is ground, black is 12 volt power, red is input from the stop light switch, and blue is output to the trailer brakes. On the Toyota harness if it is not labeled, it should be as follows: Black with red tracer = 12 volts Green with white tracer = input from stop light switch Brown = ground Red = output to trailer brakes Green = not used (illumination) So you would connect brake controller white to harness brown; controller black
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Troubleshooting a Hayes-Lemmerz Brake Controller that Only Works with the Manual Override
It sounds like there is an issue on the brake switch (red) wire. This is the circuit that tells the brake controller when you are applying the vehicle brakes, and in turn tells the brake controller to begin applying the trailer brakes. Since it worked at one point and now is no longer working I would recommend you check the wiring of this circuit to make sure it is still connected properly and fix as necessary. You could use a circuit tester like our part # 3808 to test the brake circuit y
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Installing Brake Controller On 2004 GMC Van
The 2004 GMC van will not have the connector under the dash like those found in GM trucks. If the van has the OE 7-way connector at the rear bumper, the blue brake output wire will be ran from the 7-way to the area near the emergency brake pedal and would connect to the blue wire on the brake controller. We do not offer a plug for the controller, so you would need to remove it. The remaining wires would need to be hardwired. The white wire would run to the negative battery terminal, the black
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Brake Controller Installation Instructions on a 2007 Buick Rainier
If you have a factory 7-way at the rear of your 2005 Buick Rainier there is not a port for installing a brake controller. There will be four wires under the dash that you will have to run the 4 wires from the Hayes-Lemmerz Energize III Electric Trailer Brake Controller # 81741B to. In order to get to these wires you will need to remove the lower dash panel first. To the left there will be a large wire harness with 4 wires taped to it. These are the four wires. The red wire from your vehicle w
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How to Connect the Hayes-Lemmerz Energize III Brake Controller on a 2008 Chevrolet Silverado
Installing a brake controller on your 2008 Chevrolet Silverado is going to be slightly different from a typical brake controller installation because there are going to be additional wires under the hood that must be connected and the tow package wires for the brake controller will be bundled together with white tape just left of the brake pedal. If you do not have a factory 7-way connector at the back of your vehicle, then you will also need to pick up the Pollak Twist-in, 7-Pole Connector,
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Where to Connect the Red Wire From a Hayes Energize Trailer Brake Controller to a 1999 Chevy Tahoe
When connecting the red wire on a Hayes Energize, # 81741B, you will need a circuit tester like # 3808 if you do not already have one or a multi-meter. Find the wires on the brake switch located above the brake pedal. Test the wires until you find the one that carries a signal ONLY when the brake pedal is pressed. If that wire also shows power when the headlights or turn signals are on it is not the correct wire.
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Supplemental Braking System to Flat Tow a 2010 jeep Wrangler Unlimited Behind a Motor Home
For flat towing a vehicle, you will need a special type of supplemental braking system. A regular brake controller is deigned for electric trailer brakes, not hydraulic vehicle brakes. Most states now require a system on a vehicle that is being towed behind a motor home. there are several different types of systems. I have included a link to an FAQ article that should help you. The easiest to set up and use is a proportional system, like # RM-9400, that applies the vehicle brakes in proportio
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Locating the Brake Light Wire for a Brake Controller on a 1991 Ford Bronco
You will need to use a circuit tester like # 3808 to test the wiring on the vehicle to determine which wire is a dedicated brake light wire. It cannot also have any other function, it has to only be a brake light. The first place I would test wires is at the brake switch above the brake pedal. If you cannot find the right wire there, then go to the turn signal connector.
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Replacement Electric Brake Recommendations for an Old Royals International 5th Wheel Trailer
In order to determine which brake assembly will work with your Royals International Fifth Wheel, you will first want to determine the bolt pattern and spacing on the brake flange that is welded to the axle that the brake assembly attaches to. The Hayes/AL-KO 12 x 2 Electric Brake Assembly, # 185100, that you referenced can attach to the Hayes/AL-KO 4-bolt or the standard 5-bolt mounting patterns. The mounting hole dimensions on the 4-bolt pattern are 3.09 inches on center for the top two
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Hayes Brake Controller # 81741B Manual Slide Not Working on 2000 GMC 1500
On the Hayes Brake Controller, part # 81741B, if the manual slide is not working and the brake controller is wired properly, then you will want to slide the manual slide back and forth maybe 10 to 15 times to try and get the dirt or dust that might be built up between the slide and the metal strip that is inside the controller. We have seen that happen before where something will get between the manual slide and the metal contact strip and prevent the slide from making a connection. If tha
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