10383321 LED Flasher Relay Fix Hyperflash, Replacement for Chevy GMC and Cadillac, Replacement for Hummer 03-07 Select Models, for Turn Signal and Hazard Warning Flash, Compatible with GMT800 Platform

Features

• Replacement Part Numbers: Directly replaces OEM numbers 10383321, 15764135, 10383320, 15231201, LM487, and EFL-27. Please verify your original part number for compatibility.
• Fixes LED Hyperflash: This electronic flasher relay is designed to resolve the fast-flashing (hyperflash) issue that occurs after installing LED bulbs on your turn signals or hazard lights, restoring normal flashing operation.
• GMT800 Platform Fitment: Designed for 2003-2007 GM GMT800 platform vehicles. Including Silverado, Sierra, Avalanche, Tahoe, Suburban, Yukon, Yukon XL, Escalade, Escalade ESV, Escalade EXT, and Hummer H2. Please confirm your vehicle's platform before purchase.
• Plug and Play Installation: Features a factory-style 10-pin connector for a direct, tool-free installation. Simply locate the original flasher module and swap it out.
• Important Note: Intended for use with LED bulbs. Only compatible with vehicles that have a 10-pin flasher module (GMT800 platform). Not for use on GMT900 or other platforms. Refer to the detailed fitment list in the product description.