What are the Uses of 2504/PSX24W Fog Lights Bulbs? Automotive What are the Uses of 2504/PSX24W Fog Lights Bulbs? Steffy Alen December 18, 2022 The 2504/PSX24W fog lights bulbs are automotive lighting designed to provide improved visibility in foggy or misty... Read More Read more about What are the Uses of 2504/PSX24W Fog Lights Bulbs?