Airtex 1S1090 Multifunction Switch Turn Signal Wiper Combination

The Airtex 1S1090 is a multifunction switch designed to control critical vehicle functions from the steering column. This combination switch integrates turn signal, windshield wiper, and related electrical controls into a single unit mounted on the steering column.

Key Features:

• Controls turn signals and hazard flashers
• Operates windshield wiper and washer functions
• Mounts directly to steering column with OE-style connectors
• Direct replacement for worn or failed multifunction switches
• Manufactured to meet OEM specifications for reliable operation

Cross-Reference Part Numbers: DS604T, SW5581, SW1093, SM486, F6295, CS154, 89057085, 2330810. Also replaces Motorcraft SW5581, ACDelco 89057085, ACDelco F6295, Wells SW1093, and Dorman 2330810.

This switch is essential for safe vehicle operation, as it controls turn signals required for signaling lane changes and turns, as well as windshield wipers needed for visibility in inclement weather. Common symptoms of a failing multifunction switch include intermittent wiper operation, turn signals that won't cancel after turns, or complete loss of these functions.