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Description
Tie Down Reverse Lock Out Solenoid
If your actuator does not have a reverse lock out lever or switch, a reverse lock out solenoid should be installed at the actuator before installation of disc or drum brakes. The Tie Down Reverse Lock Out Solenoid adapts to all models of hydraulic actuators and installs directly in line between the trailer hydraulic actuator and the brake line. Only one electrical connection is required between the solenoid and vehicle backup light.
How to Install a Tie Down Reverse Lock Out Solenoid
Wiring Instructions
- Disconnect trailer hitch and any wiring connectors from the vehicle.
- Connect a 14 gauge wire to the backup (reverse) light wire of the vehicle.
- This wire should be long enough to attach to the existing vehicle/trailer wire receptacle.
- The end of this wire will require a female end that will match the solenoid male connector wire.
- For ease of use, tape or band the end of the reverse light wire to the vehicle's trailer electrical connector.
Solenoid Installation
Caution: Brake fluid can cause damage to painted areas. Use a cloth/rag under the actuator/brake line connection to collect any spilled brake fluid.
- Remove the brake line and pipe fitting from the rear of the actuator master cylinder. Save the fitting for later use.
- Screw the solenoid valve into the master cylinder using a thread sealant and tighten. Make sure thread sealant does not obstruct fluid flow.
- Attach brake line to solenoid. Do not use thread sealant on this connection.
- Bleed brakes according to brake and actuator manufacturer's instructions.
- Install electrical wire from solenoid to the reverse lights of the tow vehicle.
- Engage parking brake. With engine off and ignition on, check for proper solenoid operation by placing gear shift in reverse.
- Backup lights should turn on and an audible click should be heard in the solenoid.
- Make sure backup lights do not engage in any other gear position.
- Test vehicle in a protected area before traveling on streets or highways.
Information sourced from Dexter Installation Instructions for Reverse Lock Out Solenoid.
Click to Download Tie Down Reverse Lock Out Solenoid Installation Instructions
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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