Standard Ignition DS-550 Fog Light Switch

Fog Light Switch for Nissan D21 and 720

Restore fog light control with this Standard Ignition fog light switch, part number DS-550. Built with a black plastic face, female connector, male blade terminals, and 12-volt electrical specifications, it is a direct replacement style switch for select Nissan trucks.

Key Features

• Fog light switch for 12-volt vehicle electrical systems
• Black face color with plastic finish
• Female connector with 4 male blade terminals
• Switch function for fog light circuit control
• Fits 1986 Nissan 720 and 1986-1993 Nissan D21 applications
• Standard Ignition DS-550 replacement part

Product Details

The Standard Ignition DS-550 is a fog light switch built around the electrical and connector details needed for the correct in-dash control function. It uses a female connector, four male blade terminals, and a 12-volt design, making it a practical replacement for vehicles that need a matching switch layout. For Nissan D21 and Nissan 720 owners, DS-550 supports a straightforward repair when the original fog light switch is worn, intermittent, or no longer operating correctly.

This part cross-references 25370V5000 and FL134 for the same application.

Common Problems It Can Help Solve

• Fog lights that do not turn on from the dash switch
• Intermittent fog light operation caused by worn switch contacts
• Broken or damaged switch face on the original control
• Electrical connection issues at the switch terminals
• Replacement needs for Nissan D21 and Nissan 720 fog light control

Installation Notes and Tips

Verify connector style, terminal count, and 12-volt electrical requirements before installation. Compare the original switch layout to the DS-550 to confirm the female connector and blade terminal configuration match the vehicle harness. For best results, inspect the surrounding wiring and connector condition during replacement.

Quality Assurance

Standard Ignition supplies replacement electrical components for vehicle repair applications. DS-550 is built to match the listed fitment and electrical specifications for select Nissan models, including 1986-1993 Nissan D21 and 1986 Nissan 720.