Standard Ignition US-514 Ignition Switch

Ignition Switch for Reliable Column-Mount Operation

The Standard Ignition US-514 ignition switch is built for vehicles that use a column-mounted, bolt-on switch with a rectangular female connector. It uses copper alloy conductors for strong electrical transfer and is 100% tested for mechanical and electrical switching performance.

For drivers and technicians servicing ignition switch concerns on GM applications such as Chevrolet and GMC models, this US-514 replacement is built to restore consistent key-to-start operation and dependable accessory power control.

Key Features

• Column-mounted ignition switch with bolt-on attachment method
• Rectangular 1-connector design with female connector interface
• 9 blade terminals with male terminal ends
• Copper alloy conductors for low-resistance electrical flow
• Aluminum and plastic finish for service-ready construction
• 100% tested for mechanical and electrical switching performance
• Standard Ignition US-514 replacement part number for direct catalog matching

Detailed Product Overview

Standard Ignition US-514 is an ignition switch designed for column installation where a bolt-mount design and 9-terminal blade configuration are required. The switch is engineered with durable materials and a white housing, and it is built to maintain proper fit and function in demanding service environments. If you are replacing a worn ignition switch on a Chevrolet or GMC vehicle, this part number helps identify the correct column-style electrical switch for the application.

This part cross-references Dorman OE Solutions 924-871 for the same application. The Standard Ignition US-514 is also referenced by part numbers 1S7037 and KS6855 in interchange listings.

Common Problems This Part Can Address

• Intermittent no-start condition caused by worn internal switch contacts
• Accessory power loss when turning the key through ignition positions
• Hard or inconsistent key operation at the column switch
• Electrical switching faults related to damaged terminals or connector wear
• Ignition circuit issues on Chevrolet and GMC column-mounted applications

Installation Notes and Tips

Verify the connector shape, terminal count, mounting style, and column location before installation. Compare the original switch to the US-514 to confirm the rectangular female connector, bolt-on attachment method, and 9 blade terminals match the vehicle’s existing setup. For best results, inspect the harness connector and surrounding column components for heat damage, corrosion, or looseness before installing the replacement switch.

Quality Assurance

Standard Ignition builds this switch with copper alloy conductors and tests each unit for both mechanical action and electrical switching performance. That validation helps support consistent operation in service applications where ignition switch reliability matters.