Turn Signal Windshield Wiper Switch for Kenworth T680 T800 Peterbilt 579 389 387

This Turn Signal Windshield Wiper Switch is a multifunction combination switch compatible with Kenworth T680, T800, and Peterbilt 579, 389, 387 models.

Product Overview

The turn signal windshield wiper switch controls turn signals, high beam headlights, and windshield wiper functions from a single stalk. It provides direct replacement for worn or faulty switches on Kenworth and Peterbilt heavy-duty trucks, restoring complete driver control. Designed for commercial truck operators and fleet maintenance, this turn signal windshield wiper switch ensures reliable signaling and wiper operation.

Key Features & Performance

• Combines turn signal, high/low beam, wiper speed, and wash controls in one unit
• Plug-and-play connector matches factory wiring without modifications
• Robust detents deliver crisp, tactile feedback for every function
• UV-stabilized housing and stalk resist fading and cracking
• Internal self-cleaning contacts maintain reliable electrical performance
• Ergonomic lever design reduces driver fatigue on long hauls

Fitment & Compatibility

• Kenworth T680
• Kenworth T800
• Peterbilt 579
• Peterbilt 389
• Peterbilt 387

Common Uses

• Replacing a broken or intermittent turn signal switch
• Fixing inoperative wiper or washer controls on the steering column
• Restoring full multifunction stalk operation on commercial trucks
• Preventative replacement during cab repairs or refurbishment
• Addressing high beam switch failure that leaves headlights stuck

Technical Specifications

• Switch Type: Multifunction turn signal / wiper stalk
• Connector: Direct-fit OEM-style plug
• Functions: Turn signal, high/low beam, wiper intermittent/low/high, wash
• Material: High-impact polymer stalk with metal internal contacts
• Mounting: Steering column clamp (matches original hardware)

Frequently Asked Questions

Q: Will this switch cure wipers that only work on one speed? A: Yes, if your current stalk has worn contacts, this replacement restores all wiper modes including intermittent and wash.

Q: Do I need any adapters to install on a Peterbilt 389? A: No, the switch is designed as a direct plug-and-play replacement for Peterbilt 389 and the other listed models.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.