Standard Ignition CBS-1835 Headlight Dimmer Switch

Headlight Dimmer Switch for Mazda Applications

Restore reliable exterior lighting control with the Standard Ignition CBS-1835 headlight dimmer switch. This black, bolt-on combination switch uses a single rectangular female connector and 16 blade terminals for direct replacement in supported Mazda vehicles, including CX-9, CX-7, Mazda 6, and RX-8 applications with the listed equipment.

• Standard Ignition CBS-1835 replacement headlight dimmer switch
• Combination switch with main light, running light, turn signal, fog light, and high-beam functions
• 12-volt electrical component with black plastic finish
• Bolt-on attachment method with one rectangular female connector
• Includes indicator markings and displayed switch layout
• New replacement part for Mazda lighting and signal control systems

Function and Vehicle Coverage

The CBS-1835 is built for vehicles that use a combination switch to manage headlight dimming, fog lights, running lights, turn signals, and high-beam operation. It includes a latching high-beam operator, momentary high-beam flasher, fog light operator, main light operator, running light operator, and turn signal control. This part cross-references Dorman/Conduct-Tite (e.g., DL7235, SW8525) for the same application. Fits 2009-2015 Mazda CX-9, 2009-2015 Mazda CX-9, 2010-2012 Mazda CX-7, 2011-2013 Mazda 6, and 2010-2011 Mazda RX-8, with the listed equipment and notes. Use the part number CBS-1835 when verifying the correct switch for your Mazda CX-9, CX-7, Mazda 6, or RX-8.

Common Problems This Switch Can Address

• Inoperative or intermittent headlight dimmer function
• Faulty high-beam or flash-to-pass operation
• Nonworking fog light control at the steering column switch
• Turn signal or running light control issues caused by switch wear
• Broken, worn, or unresponsive combination switch inputs

Installation Notes

Verify connector style, terminal count, and vehicle equipment before installation. This switch is intended for Mazda models with the listed options, including automatic headlights, fog lights, passenger air bag deactivation light, and rain sensor where specified. Confirm the original switch layout and match CBS-1835 to the vehicle’s existing electrical connector and functions before replacement.

Quality Assurance

Standard Ignition supplies this new replacement switch as an OE-style electrical component for supported Mazda lighting and signal systems. The CBS-1835 is built for direct-fit service in applications that require dependable headlight dimmer and combination switch operation.