Standard Ignition CBS-1172 Headlight Dimmer Switch

Headlight Dimmer Switch for Ford and Mercury

Standard Ignition CBS-1172 is a new headlight dimmer switch built for direct replacement service on select Ford and Mercury vehicles. It combines lighting and wiper-related switch functions in one bolt-on unit, with tested mechanical and electrical performance for dependable operation.

• Bolt-on attachment method
• Rectangular 1-connector design with 3 connector cavities
• Female connector layout with male/female blade terminals
• Combination switch functions
• Latching high beam operator and momentary high beam flasher included
• Turn signal control included
• Windshield washer spray, windshield wiper delay, and windshield wiper speed settings included
• Rear window washer spray, rear window wiper delay control, and rear window wiper speed setting included
• 12-volt electrical design
• Indicator markings included

Detailed Product Overview

Standard Ignition CBS-1172 is engineered with copper alloy conductors to support strong electrical conductivity and low resistive loss. The switch is 100% tested for both mechanical action and electrical switching performance, and its robust construction is aimed at service replacement use where consistent headlight dimmer and combination-switch operation matters. This part cross-references 1L2Z13K359AAA and SW3090 for the same application.

Vehicle Fitment

• Fits 2003-2006 Ford Expedition, N/A
• Fits 2002-2005 Ford Explorer, N/A
• Fits 2002-2005 Mercury Mountaineer, N/A
• Fits 2002-2004 Mercury Mountaineer, N/A, Turn Signal and Wiper Switch

Common Problems This Part Can Address

• Inoperative or intermittent high beam switching
• Faulty turn signal control operation
• Windshield wiper delay or speed control issues
• Rear window washer or rear wiper control failure
• Worn switch contacts causing inconsistent lighting or wiper response

Installation Notes and Tips

Verify connector shape, terminal count, and switch functions before installation. This CBS-1172 uses a bolt-on mounting style and a single rectangular connector, so matching the original electrical layout is important for proper operation. Confirm vehicle application by year, make, model, and switch configuration before replacing the original unit.

Quality Assurance

Standard Ignition builds this switch with service-grade materials and tests each unit for mechanical and electrical performance. The design reflects long-term development focused on replacement needs for professional repair work.