ITEM NAME:3-Pin EP28 Electronic LED Flasher Relay Fix Turn Signal Bulbs Hyper Flash IsWR3C This auction features for a piece of 3-pin EP28 Electronic LED Flasher Relay Fix for LED bulbs related turn signal lights hyper flash problems. Please note that this LED flash will only fix the LED bulb's hyper flash issue, not the wattage lower than stock bulb related "bulb out" warning message on dashboard. This EP28 (aka FLL004) is an electronic turn signal flasher that operates at 12V. The EP28 is an application specific flasher that is designed for various Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac and Saturn vehicles from 1995 to 2005. Dimensions: 1.5" L x 1.5" W x 1.5" H - please check to make sure size is compatible, as this flasher relay may be larger than its original counterpart. Connection Instructions Replace the stock relay in the fuse box..This EP28 (aka FLL004) is an electronic turn signal flasher that operates at 12V.