Standard Ignition US-770 Ignition Switch

Ignition Switch for Select GM Vehicles

The Standard Ignition US-770 ignition switch is built for column-mounted applications that demand consistent electrical switching and reliable key-start operation. It uses copper alloy conductors for strong conductivity and low resistance, with a robust housing and tested mechanical and electrical performance.

Compatible With 2005-2009 Buick LaCrosse, 2005-2009 Chevrolet Uplander, 2005-2009 Pontiac Montana, 2005-2008 Buick Allure, 2005-2007 Buick Terraza, and 2005-2007 Saturn Relay applications.

• Column-mounted ignition switch with bolt-on attachment method
• Female square connector with 1 connector interface
• 7 male pin terminals for vehicle-specific electrical connection
• Plastic finish with black and white housing colors
• Copper alloy conductors for reduced resistive loss
• 100% tested for mechanical and electrical switching performance

Detailed Product Overview

Standard Ignition US-770 is an ignition switch replacement for vehicles that use a column-mounted design and a square female connector. The switch is engineered with durable materials to maintain proper fit and function, while the internal conductor design supports stable current flow during start and accessory switching. This part number, US-770, is a direct service option for drivers and technicians working on Buick LaCrosse, Chevrolet Uplander, Pontiac Montana, and related GM platforms.

This part cross-references Standard Ignition (e.g., 1S7667, KS7130) for the same application.

Common Issues This Part Can Address

• Intermittent no-start condition caused by worn ignition switch contacts
• Accessory power loss when turning the key to ACC or RUN
• Electrical switching faults in the steering column circuit
• Key position inconsistency during start-up or shutdown
• Replacement need after switch wear, heat damage, or internal contact failure

Installation Notes and Tips

Verify connector shape, terminal count, and column mounting before installation. Match the vehicle’s original switch layout and confirm the ignition cylinder and column components are in proper condition before final assembly. For best results, compare the original part number US-770 and the vehicle application before service.

Quality Assurance

Standard Ignition builds this ignition switch with high-grade materials and tests each unit for mechanical and electrical switching performance. Copper alloy conductors are used to support dependable conductivity in daily service.