1. Product Overview
This manual provides detailed instructions for the installation, operation, and maintenance of your WEELMOTO Signal Lights. These lights are designed as direct replacements for specific Chevrolet Express and GMC Savana models, ensuring a precise fit and optimal performance.
Key Features:
- Direct OEM replacement for part numbers 20772636, 10395418, 22940754, 22940755.
- Compatible with 2003-2014 Chevrolet Express 1500, 2003-2023 Chevrolet Express 2500 3500, 2003-2014 GMC Savana 1500, and 2003-2023 GMC Savana 2500 3500.
- DOT (Department of Transportation) and SAE (Society of Automotive Engineers) compliant.
- Plug-and-play design for easy installation.
- Constructed with high-durability materials, tested for various impacts including drop, vibration, rain, UV radiation, sand, and dust.
- IP65 certified waterproof.

Image 1.1: WEELMOTO Signal Lights installed on a white van. Note that headlights are not included with this product.
2. Setup and Installation
The WEELMOTO Signal Lights feature a plug-and-play design for straightforward installation. Please ensure you have the correct stock bulbs as they are not included with this product.
2.1 Before Installation
- Verify vehicle compatibility using the OEM part numbers and vehicle models listed in Section 1.
- Ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical hazards.
- Gather necessary tools, which typically include a screwdriver and possibly a socket wrench.
- Confirm you have the appropriate stock bulbs (e.g., 3157NA & W5W) for installation, as these are not supplied.
2.2 Installation Steps
- Locate the existing signal light assembly on your vehicle.
- Carefully remove any retaining screws or clips securing the old assembly.
- Disconnect the electrical connector from the old signal light.
- Remove the old signal light assembly.
- Transfer the stock bulbs from the old assembly to the new WEELMOTO signal light assembly.
- Connect the electrical connector to the new WEELMOTO signal light assembly.
- Position the new assembly into the vehicle's housing.
- Secure the new assembly with the retaining screws or clips.
- Reconnect the vehicle's battery.
- Test the signal lights to ensure proper function.

Image 2.1: The plug-and-play design includes a one-way vent to prevent condensation buildup.

Image 2.2: Front details of the signal light, highlighting the turn signal and amber reflector. Remember to use stock bulbs (3157NA & W5W).
3. Operating Instructions
Once installed, the WEELMOTO Signal Lights operate in conjunction with your vehicle's existing electrical system. They function as parking lights and turn signals, enhancing vehicle visibility and communication on the road.
- Parking Lights: Activate when your vehicle's parking lights or headlights are turned on.
- Turn Signals: Flash when the turn signal lever is engaged, indicating your intended direction.
- Hazard Lights: Flash simultaneously when the hazard warning lights are activated.

Image 3.1: Detailed view of the signal light components, including the turn signal, safety reflector, one-way vent, and DOT compliance marks.

Image 3.2: Visual representation of the enhanced visibility provided by the signal lights.
4. Maintenance
WEELMOTO Signal Lights are designed for high durability and minimal maintenance. Regular checks can help ensure their longevity and optimal performance.
- Cleaning: Periodically clean the lens with a soft cloth and mild soap solution to remove dirt and road grime. Avoid abrasive cleaners.
- Bulb Replacement: If a bulb burns out, replace it with a new stock bulb of the correct type (e.g., 3157NA & W5W). Refer to your vehicle's owner's manual for specific bulb replacement procedures if needed.
- Durability Features: The lights are built with anti-heat, anti-UV aging, and anti-freezing properties, and are IP65 certified waterproof, designed to withstand harsh environmental conditions from -22°F to 140°F.

Image 4.1: The signal lights are engineered for high durability, resisting extreme temperatures and environmental factors.

Image 4.2: The IP65 waterproof certification ensures reliable performance in wet conditions.
5. Troubleshooting
Should you encounter any issues with your WEELMOTO Signal Lights, please refer to the following common troubleshooting steps:
- Lights Not Functioning:
- Check the electrical connection to ensure it is securely plugged in.
- Inspect the bulbs for any signs of damage or burnout. Replace if necessary.
- Verify the vehicle's fuses related to the parking lights and turn signals.
- Condensation Inside Lens:
- Minor condensation can occur due to temperature changes and typically dissipates. The integrated one-way vent is designed to manage this.
- If excessive or persistent condensation occurs, ensure the vent is not obstructed and the assembly is properly sealed.
- Flickering Lights:
- Check for loose electrical connections or corroded terminals.
- Ensure the correct bulb type is installed.
For issues not resolved by these steps, please contact WEELMOTO customer support as described in Section 7.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | WEELMOTO |
| Compatible Vehicle Types | 2003-2014 Chevrolet Express 1500, 2003-2023 Chevrolet Express 2500 3500, 2003-2014 GMC Savana 1500, 2003-2023 GMC Savana 2500 3500 |
| OEM Part Numbers | 20772636, 10395418, 22940754, 22940755 |
| Light Source Type | Halogen (bulbs not included) |
| Recommended Bulbs | Stock bulbs (e.g., 3157NA & W5W) |
| Voltage | 12 Volts (DC) |
| Wattage | 60 watts |
| Auto Part Position | Front Outside |
| Lens Material | Polycarbonate |
| Lens Color | Crystal Clear with Amber Reflector |
| Special Features | Pair of signal lights (driver and passenger sides), Waterproof (IP65 certified), Anti-heat, Anti-UV aging, Anti-freezing, One-way vent for condensation prevention. |
| Operating Temperature Range | -22°F to 140°F |
| Certifications | DOT, SAE, IATF16949 (manufacturer) |
7. Warranty and Support
WEELMOTO stands behind the quality of its products. Your signal lights come with a 3-year peace-of-mind assurance period.
For any product-related inquiries, installation assistance, or warranty claims, please contact WEELMOTO customer support. You can typically find a "Contact Seller" or "Ask a Question" option on the product's purchase page or through the WEELMOTO brand store.
Please provide your purchase details and a clear description of the issue when contacting support to ensure prompt assistance.