Blower Switch Update KitBlower Switch Update Kit F63866 Replaces Early Switch Resistor with Late Style Switch and Late Style Resistor Used on Case IH 70 and 90 Series Tractors to Replace OE F63866 Switch, KA83139 OEM Numbers F63866 Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part, and replacement is simple. One year warranty, shipped within 1 2 days and delivered within 10 20 days. We will refund or