Standard Ignition US-257 Ignition Switch

Reliable Ignition Switch for Buick, Chevrolet, Oldsmobile, and Pontiac

The Standard Ignition US-257 ignition switch is designed for precise fitment and dependable performance in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to mount securely on the steering column, this ignition switch ensures consistent electrical connection and vehicle start-up reliability.

• Attachment Method: Bolt on for secure installation
• Color: Black with durable plastic finish
• Connector: One female square-shaped connector
• Terminals: Eleven male blade terminals for reliable electrical contact
• Mounting Location: Steering column for direct replacement

Detailed Product Features and Specifications

The US-257 ignition switch from Standard Ignition features a bolt-on attachment method, allowing for straightforward installation on the steering column of compatible vehicles. Its black plastic finish provides resistance to wear and environmental factors. The switch includes a single female connector with a square shape, designed to mate with the vehicle’s wiring harness. Eleven male blade terminals ensure multiple circuit connections are maintained securely, supporting the ignition and accessory functions. This ignition switch is specifically engineered for use in Buick Achieva, Chevrolet Cavalier, Pontiac Grand Am, Oldsmobile Skylark, and Pontiac Sunfire models, providing a precise fit and reliable operation.

Common Applications and Problem Resolution

• Replaces faulty ignition switches causing intermittent starting issues
• Resolves electrical connection failures in the ignition circuit
• Addresses problems with accessory power loss when key is turned
• Fixes ignition switch wear leading to key sticking or difficulty turning
• Restores proper function to steering column-mounted ignition systems

Installation Notes and Tips

Installation of the Standard Ignition US-257 ignition switch requires removal of the steering column cover to access the mounting bolts. The bolt-on design simplifies replacement without the need for specialized tools. Ensure the vehicle battery is disconnected before installation to prevent electrical shorts. Verify connector orientation and terminal alignment before securing the switch. After installation, test all ignition and accessory functions to confirm proper operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The US-257 ignition switch undergoes quality control testing to verify electrical continuity and mechanical function. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship for a defined period. Consult product documentation or the manufacturer for exact warranty terms.