Standard Ignition US-276 Ignition Switch

Ignition Switch for GM Trucks and SUVs

Standard Ignition US-276 is a column-mounted ignition switch built for direct replacement service on select Chevrolet and GMC vehicles. It uses a bolt-on attachment, a rectangular 2-pin connector layout, and 14 female blade terminals to support proper electrical switching and reliable fitment.

Key Features

• Column-mounted ignition switch for service replacement
• Bolt-on attachment method for secure installation
• Black plastic finish
• Male 2-connector, rectangular design
• 14 female blade terminals for vehicle-specific electrical connection
• Copper alloy conductors for strong electrical conductivity and reduced resistance
• 100% tested for mechanical and electrical switching performance

Detailed Product Overview

Built by Standard Ignition, part number US-276 is engineered for dependable ignition control in vehicles that use a column-mounted switch assembly. The design focuses on consistent electrical transfer and accurate switching action, with copper alloy conductors selected to help maintain low resistive losses. Standard Ignition US-276 is a practical replacement choice for Chevrolet Silverado, Chevrolet C1500, GMC Yukon, and other GM truck and SUV applications listed below.

This part cross-references Four Seasons 56420 for the same application.

Vehicle Fitment

• Fits 1995-1997 Chevrolet Silverado, N/A
• Fits 1995-1996 Chevrolet C1500, N/A
• Fits 1995-1996 Chevrolet C1500 Suburban, N/A
• Fits 1995-1996 Chevrolet C2500, N/A
• Fits 1995-1996 Chevrolet C2500 Suburban, N/A
• Fits 1995-1996 Chevrolet C3500, N/A
• Fits 1995-1996 Chevrolet K1500, N/A
• Fits 1995-1996 Chevrolet K1500 Suburban, N/A
• Fits 1995-1996 Chevrolet K2500, N/A
• Fits 1995-1996 Chevrolet K2500 Suburban, N/A
• Fits 1995-1996 Chevrolet K3500, N/A
• Fits 1995-1996 Chevrolet Suburban 1500, N/A
• Fits 1995-1996 Chevrolet Tahoe, N/A
• Fits 1995-1996 GMC C1500, N/A
• Fits 1995-1996 GMC C1500 Suburban, N/A
• Fits 1995-1996 GMC C2500, N/A
• Fits 1995-1996 GMC C2500 Suburban, N/A
• Fits 1995-1996 GMC C3500, N/A
• Fits 1996 GMC Jimmy, N/A, w/ Air Bags
• Fits 1995-1996 GMC K1500, N/A
• Fits 1995-1996 GMC K1500 Suburban, N/A
• Fits 1995-1996 GMC K2500, N/A
• Fits 1995-1996 GMC K2500 Suburban, N/A
• Fits 1995-1996 GMC K3500, N/A
• Fits 1995-1996 GMC Yukon, N/A
• Fits 1995 Chevrolet Blazer, N/A, w/ Air Bag
• Fits 1995 Chevrolet S10, N/A, w/ Air Bags
• Fits 1995 GMC Jimmy, N/A, w/ Air Bag
• Fits 1995 GMC Sonoma, N/A, w/ Air Bags

Common Problems This Part Can Address

• Intermittent or no-start condition caused by a worn ignition switch
• Accessory or ignition circuits that do not power up correctly
• Key position response issues in the column switch assembly
• Electrical switching faults that affect crank or run operation
• Heat-related resistance or contact wear in the original switch

Installation Notes and Tips

Verify connector style, terminal count, and column mounting before installation. This ignition switch uses a bolt-on design with a rectangular male connector interface and female blade terminals, so matching the original configuration is important for proper operation. Confirm vehicle-specific fitment for Chevrolet and GMC models, including air bag-equipped applications where noted.

Quality Assurance

Standard Ignition builds this switch with robust materials and tests each unit for mechanical and electrical switching performance before release. The copper alloy conductor design supports stable conductivity for service replacement use.