Single Electric Fan Wiring Harness & Relay Kit, Includes:, 185 degree on 170 degree Off Sensor for 180 degree Thermostat, 10-18 Gauge High Temp Cross Link Wire, 30 Amp Relay, 30 Amp Circuit Breaker, Hardware|JEGS Single Electric Fan Wiring Harness & Relay Kit 30 Amp [185 degrees on 170 degrees off].