Replacement Solenoid Valve for Titan Brake Actuators with Reverse Lockouts

Titan Accessories and Parts - T4748800

Backup valve installs in trailer brake actuators with high psi ratings and wires into your tow vehicle so that the trailer brakes do not activate when you shift your tow vehicle into reverse.

Features:

• Installs in trailer brake actuator to prevent trailer brakes from locking when in reverse
• Designed for use with Titan Model 6, Model 60, Aero 7500, and newer Model 10 and Model 20 actuators
• Also fits Dico Models 10, 20 and 60 actuators

4748800 Titan Solenoid Valve

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Ask the Experts about this Titan Accessories and Parts

• What Size Threads does the Replacement Solenoid Valve # T478800 Have
  
• I spoke with my contact at Titan and he said that the Replacement Solenoid Valve, part # T4748800, should thread right into the back of your Titan Model 10 disc brake actuator. He thought that maybe you forgot to remove the orifice from the back of the Model 10 actuator before you tried to install the # T4748800. Once that is removed the solenoid valve should thread right in. He said that the thread on the solenoid valve is 1/8-27 fine pipe threads.
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• How To Stop Brakes On Trailer From Locking When In Reverse Using Titan Model 10 Brake Actuator
  
• What you will need to do is install the Replacement Solenoid Valve, part # T4748800. The Titan Replacement Solenoid Valve # T4748800 will stop the brakes from activating when you are in reverse. You may also be interested in the Titan Solenoid Shield, part # T4835800183, which will protect the solenoid valve from being stepped on if you do not already have a cover.
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• Will the Titan Reverse Solenoid Valve # T4748800 Thread Into Titan Master Cylinder # T4747100
  
• The Titan Solenoid Valve for Reverse Lockout, part # T4748800 has 1/8 inch NPT male threads on the inlet connection. This will thread into the Titan Master Cylinder for Titan Actuators - Disc Brakes, part # T4747100. Both of these parts are designed for disc brake applications.
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• Can Replacement Solenoid Valve, # T4748800 be Used on a Titan Model 60 Trailer Brake Actuator
  
• Yes, the Replacement Solenoid Valve, # T4748800, will fit the Model 60 Titan Actuator # T4332900. We have learned that in order to attach this solenoid to the master cylinder, the fitting that is currently on the master cylinder will need to be removed and the solenoid threaded directly on in its place. You will also probably want to keep the solenoid covered. Actuators that come with the electric lock out already have a cover in place. But, you can add it on with part # T4835800183.
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• What is the Function of the Replacement Solenoid Valve # T4748800
  
• The function of this Replacement Solenoid Valve # T4748800 is to stop the hydraulic pressure from activating your trailer brakes when you put your tow vehicle in reverse allowing you to reverse your trailer. This is accomplished by wiring this unit into the reverse light circuit so that when your vehicle is put in reverse the solenoid activates and prevents pressure from passing through the lines activating the brakes. If you are looking to control the flow of the pressure to allow you to
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• What are the Thread Sizes on the Titan Replacement Solenoid Valve
  
• I spoke with my contact at Titan and he informed me that this Replacement Solenoid Valve # T4748800 could be used in the brake line instead of on the back of the master cylinder like it typically installs. He said as long as you securely install it on the brake line it would function properly. This is the correct unit for the model 20 actuators. He also said that the male side of this product has 1/8 inch pipe threads, and the female side has 3/8-24 inverted seat threads that 3/16 inch size b
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• How Do you Wire In a Replacement Solenoid Valve
  
• This Replacement Solenoid Valve for Titan Brake Actuators # T4748800 that you referenced will wire into the reverse light circuit of your tow vehicle so that when you put your vehicle in reverse the brakes of your trailer will not be applied. You would want to run a wire from the center pole on your 7-way to one of the wires of this solenoid, and then ground the other and it should work well for you. The center pole of your 7-way is the reverse light circuit and this would be the correct pole
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• Where Should the Ground be for the Replacement Reverse Lockout Solenoid Valve, # T4748800
  
• On the Replacement Solenoid Valve, # T4748800, the best place to ground the unit is to the trailer frame at a place that is free of dirt and corrosion and where there is no paint. It is possible that you can ground it with the main trailer connector ground. The other wire attaches to the trailer connector reverse light circuit and will be activated when the vehicle is placed in reverse.
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• Normally Open Reverse Lockout Solenoid for Disc Trailer Brakes
  
• The normally open style like # T4748800, will only prevent fluid from going back to trailer brakes when you put the vehicle in reverse. Once the vehicle is in reverse, the normally open solenoid will close and allow you to back up without the brakes engaging. On a normally open system, you will need to be careful when backing up because if you hit a curb or another object it could add even more pressure to the master cylinder and could possibly damage it. A normally closed system does have
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• Can a Reverse Lockout Solenoid Be Added to an Actuator That Does Not Have a Lockout Solenoid
  
• Yes, you can add a solenoid valve to your brake actuator on your trailer to prevent the brakes from locking up when in reverse as long as you have the standard 3/16 inch brake lines on your trailer. This valve will attach between the master cylinder and your brake line and it will wire into the reverse light circuit on your trailer. Once your vehicle is put in reverse the solenoid valve closes and prevents pressure from reaching the brakes. Make sure that when you are backing up that you
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• Can the Electric Reverse Lockout Solenoid be Used on a Titan Model 60 Trailer Brake Actuator
  
• It sounds like your model 60 actuator is for drum brakes and it has the check valve inside the master cylinder. You can use the electric reverse lock out solenoid # T4748800 with the model 60. It will attach directly to the master cylinder and the brake line will attach to the other end. When the vehicle is in reverse, it will not allow fluid to go back to the brakes. The electrical connection needs to be made to the vehicle reverse light circuit. You will also want to protect the solenoid by
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• How to Wire an Electric Reverse Lockout on a Trailer to Work with a Vehicle that has a 4-Way Flat
  
• Since you have a 4-Way flat trailer connector, you will need to add a 5-Way flat adapter, # 20036, to the vehicle and a 5-Way flat, # HM47910, on the trailer if you want the electric reverse lockout to work. On the vehicle side, the extra wire will connect to a reverse light wire. On the trailer side, the extra wire will attach to one of the wires on the solenoid. The other solenoid wire will need to be grounded to the trailer frame. I have included a link to a video showing a typical inst
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• Brakes Lock Up After Installing Reverse Lockout Solenoid Valve # T4748800
  
• I would recommend bleeding your brakes after installing a new Solenoid Valve, # T4748800. The main brake line must be disconnected from the actuator to install this item and anytime the brake lines are disconnected, there is a chance for air or some type of debris to enter the brake lines. The electric lockout solenoid should not cause your brakes to lock up after you come to a complete stop. The solenoid has two wires, one should be connected to the reverse light circuit coming from the tow
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• When Installing a New Titan Solinoid # T4748800 Do the Brakes Need to Be Bled After the Installation
  
• According to my contact at Titan, you will want to bleed the brakes after you install your Titan Replacement Solenoid # T4748800. He said, ideally, you want to bleed your brakes each time you work with anything that can effect the brakes. Although, when replacing a solenoid the possibility of losing fluid is low, you also have the opportunity to gain air in your brakes which is not a good result, therefore, he highly recommends bleeding the brakes after you install the solenoid.
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