Introduction
This manual provides comprehensive instructions for the GoolRC TG-3 2.4G 3CH Surface Receiver. This receiver is specifically designed for use with remote control (RC) cars and boats and is compatible with the GoolRC TG3 AUSTAR AX5S transmitter. Please read this manual thoroughly before installation and operation to ensure proper function and safety.
Safety Information
Observe the following safety guidelines to prevent damage to the product or injury to yourself and others:
- Battery Handling Precautions: Keep batteries away from heat and moisture. Do not short-circuit batteries. Dispose of batteries according to local regulations.
- Wireless Interference: This device operates on a 2.4GHz frequency and may interfere with other wireless devices. Avoid using near medical devices or other sensitive electronic equipment.
Product Overview
Key Features
- High receiving sensitivity for reliable signal reception.
- Compact and lightweight design for ease of use and portability.
- Equipped with super active and passive anti-jamming capabilities to ensure stable operation.
- Features very low power consumption, contributing to longer battery life for your RC vehicle.
- Specifically designed for compatibility with the GoolRC TG3 AUSTAR AX5S transmitter.
Package Contents
The package typically includes:
- 2 x GoolRC TG-3 2.4G 3CH RC Car Boat Receiver

Image: Two GoolRC TG-3 receivers are shown alongside a small bind plug, illustrating the typical package contents.

Image: An illustration showing the GoolRC TG-3 receiver connected to a compatible transmitter, with examples of an RC car and boat it can control. Note: RC car and boat are not included.
Setup
Receiver Installation
- Identify a suitable location within your RC car or boat for the receiver. Ensure it is protected from moisture, excessive vibration, and direct impact.
- Secure the receiver using double-sided tape or a similar method to prevent movement during operation.
- Route the antenna wire away from other electronic components and metal parts to maximize signal reception. Ensure the antenna tip is exposed and not coiled.
Binding Procedure
The receiver must be bound to your GoolRC TG3 AUSTAR AX5S transmitter before first use. Follow these general steps:
- Ensure your transmitter is turned off.
- Connect the bind plug (often included with the transmitter or receiver) to the 'BIND/CH3' port on the TG-3 receiver.
- Connect power to the receiver (e.g., via an ESC or separate battery pack). The receiver's LED should start flashing rapidly, indicating it is in binding mode.
- Turn on your GoolRC TG3 AUSTAR AX5S transmitter while holding down its bind button (refer to your transmitter's manual for the exact location of the bind button).
- Once the receiver's LED turns solid, the binding process is complete.
- Turn off the receiver power, then remove the bind plug.
- Turn off the transmitter.
- Power on the transmitter first, then the receiver. The receiver's LED should illuminate solid, confirming a successful connection.
Note: Always refer to your specific GoolRC TG3 AUSTAR AX5S transmitter manual for detailed binding instructions, as procedures may vary slightly.
Operating
Once the receiver is successfully installed and bound to your transmitter, operating your RC vehicle involves the following:
- Always turn on your transmitter first, then power on your RC vehicle (which powers the receiver).
- Verify that all controls (steering, throttle) respond correctly before operating the vehicle.
- Operate your RC vehicle within the effective range of the 2.4GHz system to maintain control.
- When finished, always power off your RC vehicle first, then turn off your transmitter.
Maintenance
To ensure the longevity and optimal performance of your GoolRC TG-3 receiver, follow these maintenance guidelines:
- Keep Clean: Regularly inspect the receiver for dirt, dust, or debris. Use a soft, dry brush or compressed air to gently clean the casing and ports.
- Avoid Moisture: Protect the receiver from water and excessive humidity. If it gets wet, disconnect power immediately and allow it to dry completely before reuse.
- Check Connections: Periodically inspect all wire connections to ensure they are secure and free from damage.
- Antenna Care: Ensure the antenna wire is not kinked, cut, or damaged. A damaged antenna can significantly reduce range and signal quality.
- Storage: When not in use, store the receiver in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your GoolRC TG-3 receiver, consider the following common troubleshooting steps:
- No Signal/No Response:
- Ensure the receiver is correctly powered and its LED is solid (indicating a successful bind).
- Verify the transmitter is turned on and its batteries are charged.
- Re-perform the binding procedure as described in the Setup section.
- Check all connections between the receiver, ESC, servos, and battery.
- Short Range:
- Inspect the receiver's antenna for damage or improper routing. Ensure it is fully extended and not obstructed by metal parts.
- Check for sources of interference in the operating environment (e.g., large metal objects, other 2.4GHz devices).
- Ensure the transmitter's antenna is also in good condition and properly positioned.
- Intermittent Control:
- This can be caused by low battery voltage in either the transmitter or the RC vehicle.
- Check for loose connections or damaged wiring.
- Ensure the receiver is securely mounted and not experiencing excessive vibration.
Specifications
Detailed technical specifications for the GoolRC TG-3 2.4G 3CH Surface Receiver:
| Specification | Detail |
|---|---|
| Brand | GoolRC |
| Model Name | TG-3 |
| Color | Black |
| Material | Plastic |
| Channels | 3 |
| Model Type | RC Car / Boat Receiver |
| Frequency | 2.4GHz |
| Power Input | 4.0-6.5V DC |
| Antenna Length | 2.6 cm |
| Item Size | 30 x 18 x 13 mm (approx. 1.2 x 0.7 x 0.5 inches) |
| Item Weight | 5 g |
| Compatible Transmitter | GoolRC TG3 AUSTAR AX5S Transmitter |
| Special Feature | Anti-Jamming Capabilities |

Image: A diagram illustrating the physical dimensions (length, width, height) of the GoolRC TG-3 receiver in millimeters and inches.

Image: A detailed close-up of the GoolRC TG-3 receiver, highlighting its model number, channel ports (CH1, CH2, BIND/CH3), and VCC connection.
Warranty Information
Specific warranty details for the GoolRC TG-3 receiver are not provided in the product information. Please refer to the retailer or manufacturer's official website for any applicable warranty terms and conditions.
Support
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your GoolRC TG-3 receiver, please contact GoolRC customer support through their official channels. Contact information may be available on the GoolRC brand website or through the retailer where the product was purchased.