Led Flasher Relay For Chevy GMC Cadillac Hummer 2003 2007 GMT800 Platform Turn Signal And Hazard Warning Fix Hyper Flash Plug And Play With LED Or Incandescent Bulbs
✔️ LM487 10383321 plug and play GM flasher for 03-07 GMT800
The LM487 10383321 Hazard Warning and Turn Signal Flasher is a plug and play replacement for GM GMT800 platform trucks and SUVs (2003-2007). It supports LED, incandescent, or mixed bulb loads and fixes hyper flash in both turn signals and hazard warnings. Compatible models include Tahoe 2003-2006; H2 2003-2007; Avalanche 2003-2006; Sierra 2500 2003-2004; Escalade, Escalade ESV, EXT 2003-2006; 1500 HD, 2500 HD, 3500 2003-2006; Yukon, Yukon XL 2003-2006; Sierra 1500, 1500HD, 2500HD, Sierra 3500 2003-2006; Sierra 1500 Classic 2007.
✅ Compatible with 2003-2007 GMT800 platform vehicles
✅ Replaces factory 10-pin LM487 10383321 flasher module
✅ Fixes hazard warning and turn signal hyper flash with LED or incandescent bulbs
✅ Plug-and-play, no wiring changes needed
💡 What is a GM GMT800 flasher relay used for in turn signal and hazard systems?
This handy replacement keeps signals steady and hazards clearly indicated.
- Replaces factory 10-pin LM487 10383321 - Works with LED or incandescent bulbs - Fixes hyper flash for turn signals and hazards ✝️