Dorman 601-218 Headlight Relay - Low Beam

Reliable Headlight Relay for Select GM and Isuzu Vehicles

The Dorman 601-218 headlight relay is designed to provide consistent 12-volt power delivery for your vehicle's lighting system. Engineered for continuous duty, this relay ensures stable headlight operation in various driving conditions.

• 12-volt continuous duty relay for reliable performance
• Blade terminal type with 4 terminals for secure electrical connections
• Single male connector and male terminals for easy integration
• Durable plastic cover protects internal components
• Push mounting type for straightforward installation
• Compatible with multiple Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Saab models

Technical Details and Compatibility

The Dorman 601-218 headlight relay operates at 12 volts and is built for continuous duty, making it suitable for prolonged use without overheating. Featuring a blade terminal type with four terminals and a single male connector, this relay fits securely into the vehicle's electrical system. The plastic cover safeguards the relay's internal parts, although it does not include heatsink protection. Installation is simplified with a push mounting type, though no mounting bracket is included.

This relay is compatible with a range of vehicles including Buick LaCrosse, Chevrolet Silverado 1500 and 2500 series, GMC Sierra 1500 and 3500 series, Isuzu Ascender and Bravada, Oldsmobile Allure and Grand Prix, Pontiac Grand Prix, Saab 9-7x, and more. The Dorman 601-218 is designed to meet the electrical demands of these models, ensuring proper headlight function.

Common Applications and Problem Resolution

• Restores headlight functionality when original relay fails
• Eliminates flickering or intermittent headlight issues
• Prevents headlight dimming caused by faulty relay operation
• Supports stable electrical current for consistent lighting performance
• Replaces damaged or corroded relays in the headlight circuit

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 601-218 part number. Disconnect the battery to ensure safety during replacement. The relay uses a push mounting type and blade terminals, so ensure connectors are clean and free of corrosion for optimal contact. No mounting bracket is included, so use the existing bracket or mounting point in the vehicle. After installation, test the headlights to confirm proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 601-218 headlight relay is constructed with durable materials to withstand continuous electrical loads. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman's official resources for exact warranty terms.