LED:3157WACK | 3157 High Power Switchback style LED Bulbs for CK trucks, White on park light & Amber on signal, One Pair,� Works on 9-16 Volts, 80 mA draw on park, 2.4 amp draw on signal, 150 lumens park lights, 1860 lumens signals, 40 pcs of 3030 SMD's, Canbus rated. These bulbs are meant to be used as a front park/signal light bulb and operate white on the park light circu �