Frdhee Thumb Throttle Ebike 3 Speed Switch Electric Scooter Throttle Accelerator User Manual

1. Introduction

This manual provides instructions for the installation, operation, and maintenance of your Frdhee Thumb Throttle Ebike 3 Speed Switch Electric Scooter Throttle Accelerator. This universal controller is designed for electric bikes and scooters, compatible with 12V-72V systems, offering precise speed control and a 3-speed switch function.

2. Safety Information

• Always ensure the power is off before installation or maintenance.
• Consult a qualified technician if you are unsure about any installation steps.
• Ensure all connections are secure and properly insulated to prevent short circuits.
• Do not modify the product in any way not described in this manual.
• Keep out of reach of children.

3. Package Contents

Please check the package for the following items:

• Frdhee Thumb Throttle with integrated 3-speed switch and key ignition
• Connection cables (approx. 1.8m length)
• Keys (2x)

Image: The Frdhee Thumb Throttle unit, showing the thumb lever, 3-speed switch, key ignition, and the attached wiring harness.

4. Setup and Installation

The thumb throttle is designed for universal compatibility with most electric bikes and scooters. Installation requires basic electrical knowledge and tools.

4.1. Tools Required

• Screwdriver set
• Wire strippers/cutters
• Electrical tape or heat shrink tubing
• Multimeter (recommended for verifying connections)

4.2. Installation Steps

1. Power Off: Ensure your electric vehicle's power is completely turned off and the battery is disconnected before starting installation.
2. Remove Existing Throttle (if applicable): Carefully remove the existing throttle from your handlebar. This may involve loosening screws or clamps and disconnecting wiring.
3. Mount the New Throttle: Slide the Frdhee Thumb Throttle onto the handlebar. Position it comfortably for thumb operation. Secure it firmly using the integrated clamp and screws.


Image: The thumb throttle unit mounted on a handlebar, showing its position relative to other controls.

4. Wiring Connections: The throttle comes with a multi-wire cable. Refer to your electric vehicle's wiring diagram for specific connections. Common wire functions are:
• Red: +5V (Throttle power supply)
• Green: Signal (Throttle output)
• Black: Ground (Throttle ground)
• Blue/Yellow/White: 3-speed switch wires (connect to your controller's speed mode input)
• Orange/Grey: Key ignition wires (connect to your controller's power lock/ignition input)

Ensure correct polarity and secure connections. Use electrical tape or heat shrink tubing to insulate all exposed wires.



Image: A detailed view of the multi-colored wiring harness connected to the thumb throttle, showing various connectors.

5. Test Connections: Before fully reassembling, reconnect the battery and turn on the power. Test the throttle response and the 3-speed switch functionality. Ensure the key ignition properly turns the system on and off.
6. Secure Wiring: Route and secure all cables to prevent interference with moving parts or damage.

4.3. Installation Video Guide

For a visual guide on the product and its components, please watch the video below:

5. Operating Instructions

5.1. Power On/Off

• Insert the key into the ignition slot and turn it to the "ON" position to power on your electric vehicle.
• Turn the key to the "OFF" position to power off the vehicle. Remove the key when not in use.

5.2. Speed Control (Throttle)

• Gently press the thumb lever to engage the motor and accelerate.
• Increase pressure on the lever for higher speeds.
• Release the lever to decelerate or stop.

5.3. 3-Speed Switch

• The integrated 3-speed switch allows you to select different power output modes (e.g., Low, Medium, High).
• Press the switch to cycle through the available speed modes. The current mode may be indicated by an LED or your vehicle's display, if equipped.


Image: A close-up of the thumb throttle unit, highlighting the red 3-speed switch buttons (I, II, III) and the key ignition.

6. Maintenance

• Cleaning: Wipe the throttle unit with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
• Inspection: Periodically check all wiring connections for looseness or damage. Ensure the throttle lever moves smoothly without obstruction.
• Water Resistance: The unit is designed to be waterproof. However, avoid prolonged submersion or high-pressure water jets.


Image: The thumb throttle installed on a handlebar, with simulated rain, demonstrating its waterproof design.

7. Troubleshooting

8. Specifications

Image: A table detailing the product specifications, including model, efficiency, material, voltage, and line length.

9. Warranty and Support

Frdhee products are designed for durability and performance. For any issues or questions regarding your product, please contact Frdhee customer support. All products come with a return policy or money-back guarantee. Refer to your purchase documentation for specific warranty terms.

Contact Information: Please refer to the seller's contact information on the platform where you purchased the product.