Standard DS-423 Instrument Panel Dimmer Switch. Committed to being the best Standard Engine Management manufactures and distributes a full line of engine management related products including ignition and emission parts on-board computers ignition wires battery cables and fuel system parts. Standard switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive losses. Standard parts are 100% tested to verify both mechanical and electrical switching performance. Decades of industry leading research and development focused on meeting the technician's needs. Standard switches feature a robust design with high-grade materials to meet the stringent demands of today's service professional. As a global manufacturer complete quality control is maintained through the manufacturing process from componentry to finished product. Product Specifications:. Connector Gender Male. Connector Quantity 1. Contents Switch. Functions Switch. Terminal Gender Male. Terminal Quantity 4. Terminal Type Blade. Warranty 3 years/36 000 mile.