The STANDARD IGNITION DS 852 SI 2 Terminal Door Jamb Switch is engineered to provide reliable door position detection ensuring that vehicle lighting systems operate correctly when doors are opened or closed This switch is designed for direct fit replacement facilitating straightforward installationd restoring the vehicle s lighting functionality to its original performance standards Constructed with high quality materials the DS 852 SI switch offers durability and consistent performance effectively addressing issues related to malfunctioning door lights or interior illumination By replacing a faulty door jamb switch with the DS 852 SI fleet operators can maintain proper lighting operations enhancing vehicle safety and compliance with regulatory standards This switch is compatible with various vehicle models including the 2010 Mazda 3 as noted by O Reilly Auto Parts oreillyauto com https www oreillyauto com detail c standard ignition standard ignition 2 terminal door jamb switch std0 ds852 utm source openai Utilizing the DS 852 SI switch helps ensure that door activated lighting systems functios intended contributing to operational efficiency and safety in fleet management