new-in-the-box Brake/Stop Light Switch. Mil-Spec for the M35 and M939 Truck. USATAC 11669094. Calculagraph E-2038-501. Super high quality for use in harsh conditions. Stainless Steel bracket, water resistant switch, dedicated ground wire with eyelet and super tough connector on switched lead. Excellent for custom or hotrod use. Original Invoice on these was 143.55 each. Get it here and save money. 14237 L3A4