OE Quality
60-Day Returns

Standard Ignition DS-550 Fog Light Switch
Reliable Fog Light Switch for Nissan 720 and D21 Models
The Standard Ignition DS-550 fog light switch is designed specifically for Nissan 720 and D21 vehicles. This durable switch ensures proper control of your fog lights with a straightforward installation and reliable performance.
- Compatible with Nissan 720 and D21 models
- Black face color with plastic finish for durability
- 12-volt electrical rating suitable for automotive use
- Equipped with 4 male blade terminals and a female connector
- Simple switch function for fog light operation
Product Features and Specifications
The DS-550 fog light switch from Standard Ignition features a black plastic face that blends seamlessly with most vehicle interiors. It operates at 12 volts, matching the electrical system of Nissan 720 and D21 trucks. The switch includes four male blade terminals and a female connector, ensuring secure and reliable electrical connections. Its design focuses on functionality, providing a straightforward on/off control for fog lights without additional complications.
Purpose and Common Applications
- Replaces faulty or worn fog light switches in Nissan 720 and D21 models
- Restores proper fog light operation for improved visibility in adverse weather
- Addresses issues such as unresponsive fog light controls or intermittent lighting
- Helps maintain vehicle safety compliance by ensuring fog lights function correctly
Installation Notes and Tips
Installation of the Standard Ignition DS-550 fog light switch is straightforward for technicians familiar with Nissan 720 and D21 electrical systems. Ensure the vehicle's battery is disconnected before beginning installation to prevent electrical shorts. Verify the connector gender and terminal types match your vehicle’s wiring harness. Properly secure all blade terminals to avoid loose connections that could cause intermittent operation.
Quality Assurance and Warranty
Standard Ignition manufactures the DS-550 fog light switch to meet OEM standards for fit and function. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the switch’s durability and performance when installed in compatible Nissan 720 and D21 vehicles.
| Brand | Standard Ignition |
| Part Number | DS-550 |
| Color | Black |
| Connector Gender | Female |
| Contents | Switch |
| Finish | Plastic |
| Functions | Switch |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
| Voltage | 12 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Nissan | D21 | N/A | |||
| 1992 | Nissan | D21 | N/A | |||
| 1991 | Nissan | D21 | N/A | |||
| 1990 | Nissan | D21 | 2.4L | L4 | N/A | |
| 1990 | Nissan | D21 | 3.0L | V6 | N/A | |
| 1989 | Nissan | D21 | 2.4L | L4 | N/A | |
| 1989 | Nissan | D21 | 3.0L | V6 | N/A | |
| 1988 | Nissan | D21 | 2.4L | L4 | N/A | |
| 1988 | Nissan | D21 | 3.0L | V6 | N/A | |
| 1987 | Nissan | D21 | 3.0L | V6 | N/A | |
| 1987 | Nissan | D21 | 2.4L | L4 | N/A | |
| 1986 | Nissan | 720 | 2.4L | L4 | N/A | |
| 1986 | Nissan | 720 | 2.5L | L4 | N/A | |
| 1986 | Nissan | 720 | 2.0L | L4 | N/A | |
| 1986 | Nissan | D21 | 2.4L | L4 | N/A | |
| 1986 | Nissan | D21 | 3.0L | V6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.