Standard Ignition DS-1933 Windshield Wiper Switch

Wiper Switch for Cadillac STS, CTS, and SRX

Standard Ignition DS-1933 is a 12-volt wiper switch built for direct electrical control of the windshield wiper system. It uses a female connector, male blade terminals, and copper alloy conductors to support stable conductivity and consistent switching performance.

Fits 2005-2011 Cadillac STS, N/A. Fits 2003-2007 Cadillac CTS, N/A, Right Hand Drive. Fits 2006 Cadillac SRX, N/A. Fits 2004-2005 Cadillac SRX, N/A, Front Wiper.

Key Features

• Standard Ignition DS-1933 wiper switch for 12-volt vehicle electrical systems
• Female connector with 6 male blade terminals
• Copper alloy conductors for low-resistance electrical transfer
• 100% tested for mechanical and electrical switching performance
• Built with durable materials for service replacement use

Product Details

This wiper switch is engineered for Cadillac applications that require reliable driver input to control windshield wiper operation. The DS-1933 is a practical replacement for worn or intermittent switch assemblies in Cadillac STS, Cadillac CTS right-hand-drive models, and Cadillac SRX applications. Standard Ignition focuses on service-grade construction, using robust materials and verified switching performance to help restore proper wiper control.

This part cross-references 1S3891 and SW4163 for the same application.

Common Problems It Can Help Solve

• Intermittent or nonresponsive windshield wiper operation
• Wiper speeds that do not change correctly
• Switch input that feels inconsistent or fails to engage
• Electrical contact issues caused by worn internal switch components
• Loss of driver control over front wiper function

Installation Notes and Tips

Verify connector style, terminal count, and vehicle fitment before installation. Confirm the application matches the listed Cadillac STS, CTS, or SRX year range, including the right-hand-drive and front-wiper notes where specified. Inspect the harness connector and terminals for corrosion, bent blades, or heat damage before connecting the replacement switch.

Quality Assurance

Standard Ignition builds this switch with copper alloy conductors and tests each unit for mechanical and electrical switching performance to support dependable service replacement quality.