SEALIGHT 5000LB Electric Trailer Jack with Remote Control User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your SEALIGHT 5000LB Electric Trailer Jack. Please read this manual thoroughly before use to ensure safe and efficient operation. Retain this manual for future reference.

Product Features:

• Height Adjustable: Lifting height adjustable between 9.84" and 33.85".
• Safety Features: Equipped with LED lights for nighttime visibility and a built-in circuit breaker for power-off protection.
• Convenient Remote Control: Operating range up to 30 meters for remote adjustment.
• High Versatility: Suitable for RV, horse, and multipurpose trailers. Includes a hand crank for manual operation during power outages.
• Ultra-strong Load-bearing Capacity: Powered by a 12V DC motor, capable of lifting up to 5,000 pounds.

2. Safety Information

Always prioritize safety when operating the electric trailer jack. Failure to follow these instructions may result in injury or damage to equipment.

General Safety Precautions:

• Ensure the trailer is properly chocked and stable before operating the jack.
• Do not exceed the maximum load capacity of 5,000 pounds.
• Keep hands and clothing clear of moving parts.
• Always disconnect power before performing maintenance or repairs.
• In case of improper operation, the built-in circuit breaker will activate. Allow the unit to cool down before resuming use.
• Use the provided hand crank only when electrical power is unavailable.

3. Setup and Installation

Follow these steps for proper installation of the SEALIGHT Electric Trailer Jack.

3.1 Unpacking and Inspection

Carefully remove all components from the packaging. Inspect for any signs of damage. Ensure all parts listed in the packing list are present.

3.2 Tools Required

• Wrench set
• Sandpaper or wire brush
• Safety glasses
• Gloves

3.3 Installation Steps

1. Prepare the Trailer: Ensure the trailer is on a level surface and securely chocked. Connect the trailer to a tow vehicle or use stable jack stands to support the tongue weight.
2. Remove Old Jack (if applicable): If replacing an existing jack, remove the old unit by unbolting it from the trailer frame.
3. Prepare Mounting Surface: Clean the mounting surface on the trailer frame. Use sandpaper or a wire brush to remove any paint or rust from the area where the jack will make contact to ensure a good electrical ground connection.


Image: Preparing the trailer frame for proper ground connection by sanding the paint.

4. Install New Jack:
   • Remove the foot plate from the new electric jack.
   • Insert the jack into the mounting hole on the trailer frame.
   • Align the mounting holes on the jack with those on the trailer frame.
   • Secure the jack using the provided bolts, lock washers, and nuts. Tighten all fasteners securely.


Image: The electric trailer jack being installed onto the trailer frame, highlighting the mounting bolts.

5. Connect Power:
   • Route the power wire from the jack to the trailer's 12V DC battery.
   • Connect the positive (+) wire (red) to the positive terminal of the battery and the negative (-) wire (black) to the negative terminal. Ensure connections are secure and insulated.
   • The jack's base plate should make direct contact with the sanded metal of the trailer frame for proper grounding.

Video: A short preview demonstrating the installation process of the electric trailer jack, including securing it to the trailer frame and connecting power.
6. Attach Foot Plate: Reattach the foot plate to the bottom of the jack using the provided pin.

4. Operating Instructions

The SEALIGHT Electric Trailer Jack offers both manual and remote control operation.

4.1 Control Panel Operation

• Power On/Off: Use the main power switch on the jack head to turn the unit on or off.
• Extend/Retract: Use the "UP" and "DOWN" buttons to extend or retract the jack leg.
• LED Light: Activate the integrated LED light using the dedicated light switch for improved visibility in low-light conditions.

Image: The control panel of the electric trailer jack, highlighting the LED lights for nighttime use.

4.2 Remote Control Operation

The remote control allows for convenient operation from up to 30 meters away.

• Extend/Retract: Use the corresponding buttons on the remote to extend or retract the jack.
• LED Light: The remote also includes buttons to control the LED light.

Image: A hand operating the remote control for the electric trailer jack, demonstrating wireless functionality.

4.3 Manual Operation (Hand Crank)

In the event of a power failure, the jack can be operated manually using the provided hand crank.

1. Remove the rubber plug from the top of the jack head.
2. Insert the hand crank into the exposed port.
3. Turn the crank clockwise to extend the jack and counter-clockwise to retract it.

Image: An illustration detailing the emergency operation port on top of the jack for manual hand crank use.

5. Maintenance

Regular maintenance ensures the longevity and optimal performance of your electric trailer jack.

• Cleaning: Keep the jack clean and free from dirt, debris, and moisture.
• Lubrication: Periodically lubricate the inner and outer tubes of the jack with a suitable grease to ensure smooth operation.
• Electrical Connections: Regularly check all electrical connections for corrosion or looseness. Tighten as necessary.
• Cover: Use the provided protective cover when the jack is not in use to shield it from weather elements.

6. Troubleshooting

If you encounter issues with your electric trailer jack, refer to the following troubleshooting guide:

7. Specifications

8. Warranty and Support

For warranty information, technical support, or to purchase replacement parts, please contact SEALIGHT customer service. Refer to your product packaging or the official SEALIGHT website for current contact details.

Online Support: Visit the SEALIGHT Store on Amazon for FAQs and additional product information.