Standard Ignition DS-401 Headlight Dimmer Switch

Reliable Headlight Dimmer Switch for Oldsmobile and Pontiac Vehicles

The Standard Ignition DS-401 headlight dimmer switch is designed to provide consistent and precise control of your vehicle's headlight functions. Engineered for select Oldsmobile and Pontiac models, this switch ensures proper dimming and switching performance for your lighting system.

• Bolt-on attachment method for secure installation
• Female connector with 4-pin configuration
• Mounts conveniently on the steering column
• Male blade terminals, 4 in total, for reliable electrical connections
• Operates on standard 12-volt electrical systems

Product Details and Specifications

The DS-401 headlight dimmer switch from Standard Ignition is specifically designed to fit Oldsmobile 88 and 98 models, as well as Pontiac Bonneville and Regency vehicles. Its bolt-on attachment method allows for straightforward replacement without the need for extensive modifications. The switch features a female connector with four pins and four male blade terminals, ensuring compatibility with the vehicle’s existing wiring harness. Mounted on the steering column, this switch provides easy access and ergonomic control for headlight dimming functions. Operating at 12 volts, it integrates seamlessly with the vehicle’s electrical system.

Common Applications and Problem Resolution

• Restores proper headlight dimming and switching functionality
• Replaces worn or faulty dimmer switches causing intermittent lighting issues
• Eliminates flickering or non-responsive headlight dimmer controls
• Addresses electrical connection problems due to damaged terminals or connectors
• Improves safety by ensuring reliable headlight operation during night driving

Installation Notes and Tips

Installation of the Standard Ignition DS-401 headlight dimmer switch requires removal of the steering column cover to access the mounting location. The bolt-on design simplifies the replacement process, but care should be taken to disconnect the vehicle battery before installation to prevent electrical shorts. Ensure the female connector and male blade terminals are properly aligned and securely connected to maintain optimal electrical contact. After installation, test the headlight dimmer functions to confirm correct operation.

Quality Assurance and Warranty Information

Standard Ignition manufactures the DS-401 headlight dimmer switch to meet or exceed OEM specifications for fit, form, and function. Each unit undergoes quality control inspections to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.