Standard Ignition DWS1977 Door Window Switch - Front Left

Door Window Switch for Kia Optima

Restore driver-side window control with this Standard Ignition door window switch, part number DWS1977. It is a 12-volt, bolt-on switch assembly with a black plastic finish and a rectangular female connector, built for front left applications on the 2014-2015 Kia Optima with driver auto down.

Key Features

• Standard Ignition DWS1977 door window switch
• Fits 2014-2015 Kia Optima, front left, w/ Driver Auto Down
• 12-volt electrical switch for window control circuits
• 18 terminals with blade-style male terminals
• 1 rectangular female connector for direct electrical connection
• Bolt-on attachment method for secure mounting
• Black plastic finish for a factory-style appearance

Detailed Description

The Standard Ignition DWS1977 is a front left door window switch for the 2014-2015 Kia Optima with driver auto down. It uses an 18-terminal layout, a single rectangular female connector, and blade-style male terminals to match the electrical interface required for the vehicle’s window control system. If you are replacing a worn or nonresponsive driver window switch on a Kia Optima, DWS1977 provides a direct-fit service part reference for the specified application. This part cross-references OE-style numbers such as 1S16410 and 935702T500 for the same application.

Common Issues This Part May Address

• Driver window switch does not respond when pressed
• Auto-down function on the front left window stops working
• Intermittent window operation from the driver door panel
• Broken, sticky, or worn switch actuator feel
• Electrical connection problems at the door switch assembly

Installation Notes and Tips

Verify the vehicle is a 2014-2015 Kia Optima, front left, with driver auto down before ordering. Confirm the connector shape, terminal count, and attachment style match the original switch before installation. Inspect the door panel connector and surrounding wiring for corrosion, bent terminals, or heat damage before connecting the replacement switch. Part number DWS1977 should be matched to the vehicle’s original configuration for proper operation.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and switch components. DWS1977 is built to the listed electrical and connector specifications for the stated Kia Optima application.