Standard Motor Products DS302
Standard Motor Products DS302 Warning Light Switch User Manual
Model: DS302
Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Standard Motor Products DS302 Warning Light Switch. Designed for automotive applications, this switch is crucial for activating vehicle warning lights, ensuring safety and compliance. Please read this manual thoroughly before installation and use to ensure optimal performance and longevity of the product.
Safety Information
Always prioritize safety when working with automotive electrical systems. Failure to follow these guidelines may result in property damage, injury, or death.
- Disconnect the vehicle's battery before beginning any electrical work to prevent accidental short circuits or electrical shock.
- Ensure you have the correct tools and equipment for the installation.
- If you are unsure about any step, consult a qualified automotive technician.
- Wear appropriate personal protective equipment, such as safety glasses and gloves.
- Verify all connections are secure and properly insulated to prevent fire hazards.
Product Overview
The Standard Motor Products DS302 is a robust warning light switch designed for reliable performance in various automotive environments. Its durable construction ensures long-term functionality.

Figure 1: Standard Motor Products DS302 Warning Light Switch
This image displays the Standard Motor Products DS302 Warning Light Switch. It features a rectangular, chrome-plated metallic housing. On top, a threaded metal shaft extends upwards, capped with a prominent, translucent red button. The base of the switch has black plastic elements and two flat metal terminals for electrical connection.
Components:
- DS302 Warning Light Switch unit
- Mounting hardware (if included with specific packaging)
Setup and Installation
Proper installation is critical for the correct function of the warning light switch. It is recommended that installation be performed by a qualified professional.
Installation Steps:
- Preparation: Ensure the vehicle's ignition is off and the negative terminal of the battery is disconnected to prevent electrical hazards.
- Locate Mounting Position: Identify the designated mounting location for the warning light switch, typically on the dashboard or control panel.
- Remove Old Switch (if applicable): Carefully disconnect wiring from the existing switch and remove it from its mounting.
- Mount New Switch: Insert the DS302 switch into the mounting hole. Secure it using the provided nut and washer, ensuring it is firmly seated.
- Wire Connections: Connect the vehicle's wiring harness to the terminals on the DS302 switch. Refer to your vehicle's service manual for specific wiring diagrams. Ensure connections are clean, secure, and properly insulated.
- Test Functionality: Reconnect the vehicle's battery. Turn the ignition to the 'ON' position (without starting the engine) and test the warning light switch to ensure it activates and deactivates the warning lights correctly.
- Final Check: Verify all connections are tight and there are no loose wires.
Operating Instructions
The Standard Motor Products DS302 Warning Light Switch is designed for straightforward operation.
- Activation: To activate the warning lights (hazard lights), press the red button on the switch. The button will typically latch in the 'ON' position, and the warning lights will begin to flash.
- Deactivation: To deactivate the warning lights, press the red button again. The button will release to the 'OFF' position, and the warning lights will stop flashing.
Note: The specific behavior of the warning lights (e.g., flashing pattern, indicator lights on the dashboard) is determined by your vehicle's electrical system, not the switch itself.
Maintenance
The DS302 Warning Light Switch is designed for minimal maintenance. Regular inspection can help ensure its continued reliability.
- Cleaning: If the switch becomes dirty, gently wipe the exterior with a clean, damp cloth. Avoid using harsh chemicals or abrasive cleaners, which could damage the finish or internal components.
- Inspection: Periodically check the switch for any signs of physical damage, loose connections, or corrosion. Ensure the button operates smoothly without sticking.
- Wiring: Verify that all wiring connected to the switch remains secure and free from fraying or damage.
Troubleshooting
If you encounter issues with your DS302 Warning Light Switch, consider the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Warning lights do not activate. |
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| Warning lights stay on or off. |
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| Intermittent operation. |
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If these steps do not resolve the issue, it is recommended to consult a professional automotive technician.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Standard Motor Products |
| Model | DS302 |
| Product Type | Auto Part (Warning Light Switch) |
| Item Weight | 4.3 ounces |
| Package Dimensions | 5.79" L x 4.39" W x 3.26" H |
| Voltage | 12 Volts |
| Operation Mode | Auto, Motor |
| Connectivity Protocol | X-10 |
| International Protection Rating | IP54 |
| Country of Origin | USA |
| UPC | 091769006983 |
| Manufacturer Part Number | DS302 |
| OEM Part Number | BWD R351A, SMP DS302, WELLS BZ601 |
Warranty and Support
For information regarding the warranty of your Standard Motor Products DS302 Warning Light Switch, please refer to the official warranty statement provided by Standard Motor Products at the time of purchase or visit their official website.
For technical support or further assistance, please contact Standard Motor Products customer service. Contact details can typically be found on the manufacturer's packaging or their official website.
Always ensure you have your product model number (DS302) and purchase details ready when contacting support.
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