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DIRECT REPLACEMENT - Ref OE 10383321, 15764135, 10383320, 15231201, LM487, EFL-27.
PLUG AND PLAY - Save Dollar$$$, Fits for GM Chevy and Work to replace 03 04 05 06 07 GMT800 Platform Factory Flasher Module (10-Pins).
STOP HYPER FLASH - Fix Hyper Flash for Hazard Warning and Turn Signal. Fits for Bulb or LED or Combination.
SPECIAL VEHICLES - Only for the GMT800 (805, 806, 820, 830, 880) Basic Platform ( 2003 2004 2005 2006 "2007" Silverado, Sierra, Tahoe, Yukon, Suburban, Yukon XL, Avalanche, Escalade, Escalade ESV, Escalade EXT, H2), Not for GMT900 or other Basic Platform. What's more, Some Late 06 Models Silverado/Sierra were sold as 07's and are referred to as the 07 Classic so as not to be confused with the New GMT900 Series. Please check factory module, If have a 10 pin flasher module it should work.
NOTICE - Tip, Could Use Plastic Trim Panel Tool to Pry/Wiggle it out. There isn't much Room to Pull it Straight Out By Hand. Be Careful When Replacing, Where this is Located there is Stamped (Sharp) Metal.
A MUST HAVE ITEM, If You Want Upgrading Stock Bulb or Bulb to LED or for Your Exist LED Tail Lamps of Turn Signal lights. Ref OE # for 10383321, 15764135, 10383320, 15231201, LM487, EFL-27 Specifications: 1. 10 Pins flashers LED turn signal/hazard warn hyper flash flasher relay 2. Operating Voltage: 9-16V 3. Operating Temperature: -40C to 85C (-40F to 185F) 3. Connector(s): Factory-Size Plug and Play Features: 1. Compatible with LED bulbs 2. Prevents hyperflash errors, Stop hyperflash 3. Simple swap for original module, Direct fitment and proper sizing for your vehicle Compatible Vehicles: [GMT800/880] 2003–2007 Silverado (1500,1500 HD,2500 HD,3500 models) 2003–2007 Sierra (1500,1500 HD,2500 HD,3500 models) (Notice: Some Late 06 models were sold as 07's and are referred to as the 07 Classic so as not to be confused with the New GMT900 Series) [GMT820] 2003–2006 Escalade 2003–2006 Tahoe 2003–2006 Yukon 2003–2007 H2 (A unique platform, the front used a modified utility frame, the midsection was all new and completely boxed. The rear section used an upgraded frame for the 8,600 pounds gross vehicle weight.) [GMT830] 2003–2006 Escalade ESV 2003–2006 Suburban (1500 2500 models) 2003–2006 Yukon XL (1500 2500 models) [GMT805] 2003–2006 Avalanche (1500 2500 models) [GMT806] 2003–2006 Escalade EXT