- Part Number Compatibility: This flasher relay replaces multiple part numbers including LM487, 10383321, 15764135, 10383320, 15231201, and EFL-27, ensuring a perfect fit for your vehicle’s needs. - Vehicle Compatibility: Designed specifically for GM Chevrolet models, this 10 Pin Flasher Module is compatible with GMT800 series vehicles including Silverado, Tahoe, Sierra, Yukon, Avalanche, Suburban, and Escalade from the years 2003 to 2007. - Important Note: Before purchasing, please verify that your vehicle has a 10-pin flasher module. This relay is tailored for GMT800 models exclusively and is not compatible with GMT900 or other series. - Functionality: This high-performance 10-pin flasher relay effectively addresses common lighting issues such as over-flashing caused by LED replacements and non-functioning turn signals. It also manages vehicle warning lights, enhancing visibility and safety for pedestrians. - Practical Applications: - LED Upgrades: If you have upgraded your vehicle's lighting to LED, this relay ensures that your turn signals function correctly without excessive flashing. - Safety Enhancements: Keep your vehicle's warning lights operational to alert pedestrians, providing an added layer of safety when parked or in motion. - Simple Replacement: Easily replace your old or malfunctioning flasher relay to restore functionality to your vehicle’s signaling system, improving overall reliability. - Quality Assurance: Built to meet the highest standards, this flasher relay guarantees durability and performance, making it a reliable choice for your vehicle's electrical system.