HVAC Blower Motor Resistor Connector. 1999 Chevrolet K3500 High Temperature;. 2000 Chevrolet K3500 High Temperature;. High Temperature Harness Connector. Harness Connector. A/C Harness Connector. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.