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The Putco SwitchBack Plasma LED bulb (3157) cycles between bright white for daytime running lamps and amber for turn signals. Built to work as DRLs without premature overheating, these plug‑and‑play LEDs offer superior illumination, quick on/off response and vibration resistance. Rated for up to 50,000 hours, they improve visibility and give newer‑style switchback lighting without complicated wiring.
Putco 3157 - Plasma SwitchBack LED Bulbs - White/Amber
