Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of your Standard Motor Products DS-125 Trunk Switch. Please read this manual thoroughly before proceeding with installation or use to ensure safety and optimal performance of the product.
Product Overview
The Standard Motor Products DS-125 is a replacement trunk switch designed for automotive applications. It functions as a push-button actuator, typically used to control trunk lighting or other related electrical systems. Constructed from durable metal, this switch is engineered for reliable performance.

Figure 1: Standard Motor Products DS-125 Trunk Switch. This image displays the cylindrical body of the switch, featuring metal mounting clips on the sides and a push-button actuator extending from one end.
Installation Instructions
The DS-125 Trunk Switch is intended as a direct replacement part. Installation typically involves replacing an existing switch. If you are unfamiliar with automotive electrical systems, it is recommended to seek professional assistance.
Safety Precautions:
- Always disconnect the vehicle's battery before beginning any electrical work to prevent accidental short circuits or electrical shock.
- Wear appropriate personal protective equipment, such as safety glasses.
- Ensure the vehicle is parked on a level surface with the parking brake engaged.
Installation Steps:
- Locate the Existing Switch: Identify the current trunk switch in your vehicle. This is often located near the trunk latch mechanism or within the trunk lid assembly.
- Disconnect Wiring: Carefully disconnect the electrical connectors from the existing switch. Note the orientation of the wires if they are not color-coded or uniquely keyed.
- Remove Old Switch: Depending on the vehicle, the old switch may be held in place by clips, screws, or a friction fit. Remove it carefully.
- Install New Switch: Insert the Standard Motor Products DS-125 switch into the designated opening. Ensure the mounting clips engage securely. In some older vehicle applications, minor modifications such as widening grooves for the tabs may be necessary to achieve a proper fit.
- Reconnect Wiring: Attach the electrical connectors to the new DS-125 switch. Ensure connections are firm and correct.
- Test Functionality: Reconnect the vehicle's battery. Test the trunk switch to ensure it operates correctly (e.g., trunk light turns on/off as intended).
- Secure Components: Ensure all removed panels or covers are reinstalled securely.
Operating Instructions
The Standard Motor Products DS-125 Trunk Switch operates via a push-button mechanism. When the trunk lid is opened or closed, the switch's actuator is either depressed or released, completing or breaking an electrical circuit. This action typically controls the trunk light, turning it on when the trunk is open and off when it is closed.
Maintenance
The DS-125 Trunk Switch requires minimal maintenance. Periodically inspect the switch and its wiring for any signs of wear, corrosion, or damage. Keep the area around the switch clean and free from debris that could impede its operation. Do not apply lubricants or cleaning agents directly into the switch mechanism unless specifically recommended by the manufacturer.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trunk light does not turn on/off. |
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| Switch feels loose or does not fit correctly. |
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Specifications
| Feature | Detail |
|---|---|
| Brand | Standard Motor Products |
| Model Number | DS-125 |
| Product Dimensions | 2 x 2 x 3 inches |
| Item Weight | 1 Pound |
| Operation Mode | Motor (Note: This specification might refer to the general category of switches rather than a motor within the switch itself, given it's a push-button type.) |
| Operating Voltage | 125 Volts |
| Contact Type | Normally Open |
| Circuit Type | 2-way |
| Actuator Type | Push Button |
| Contact Material | Metal |
| International Protection Rating | IP54 |
| Control Method | Touch |
| Country Of Origin | Taiwan |
Warranty Information
Specific warranty details for the Standard Motor Products DS-125 Trunk Switch are provided by the manufacturer. Please refer to the packaging or the official Standard Motor Products website for the most current warranty terms and conditions.
Customer Support
For technical assistance, installation questions, or further product information, please contact Standard Motor Products customer support or visit their official website. Always provide the model number (DS-125) when seeking support.