Standard Ignition US-251 Ignition Switch

Reliable Ignition Switch for Classic GM Vehicles

The Standard Ignition US-251 ignition switch is designed for precise fitment and dependable performance in select Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to mount on the steering column, this ignition switch ensures secure electrical connections and consistent operation.

• Bolt-on attachment method for straightforward installation
• Single male rectangular connector for reliable connectivity
• Column mounting location compatible with specified GM vehicles
• 14 female blade terminals providing secure electrical contact
• Durable construction tailored for Buick 60 Special, Cadillac DeVille, and Pontiac Bonneville among others

Product Details and Specifications

The Standard Ignition US-251 ignition switch features a bolt-on attachment method that simplifies installation on the steering column. It includes one male rectangular connector designed to interface with the vehicle’s wiring harness. The switch has 14 female blade terminals, ensuring a stable and secure electrical connection critical for ignition system performance. This ignition switch is engineered specifically for compatibility with Buick models such as the 60 Special and Century, Cadillac models including the DeVille and Fleetwood, Oldsmobile 88 and 98, and Pontiac Bonneville and LeSabre. The terminal and connector design supports reliable electrical flow and durability under typical operating conditions.

Compatible Vehicles and Applications

• Buick 60 Special, Century, LeSabre
• Cadillac DeVille, Fleetwood, Park Avenue
• Oldsmobile 88, 98
• Pontiac Bonneville, Cutlass Ciera, Commercial Chassis
• Delta 88 and other specified GM models

Common Issues Addressed by This Ignition Switch

• Intermittent or no start conditions due to faulty ignition switch
• Electrical connection failures causing ignition or accessory power loss
• Wear or damage to original ignition switch terminals or connectors
• Steering column ignition switch replacement for improved reliability
• Restoration projects requiring OEM-style ignition switch fitment

Installation Notes and Tips

Installation requires removal of the steering column cover to access the mounting location. The bolt-on design allows for secure attachment without modification. Ensure the male rectangular connector aligns properly with the vehicle wiring harness. Verify all 14 blade terminals are fully seated to maintain electrical integrity. It is recommended to disconnect the battery before installation to prevent electrical shorts. Consult the vehicle’s service manual for detailed removal and installation procedures specific to the Buick, Cadillac, Oldsmobile, or Pontiac model.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-251 ignition switch undergoes quality control testing to ensure reliable operation. While specific warranty terms may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for detailed warranty information.