175-185 Degree Universal Electric Cooling Fan Thermostat Kit 12V Radiator Temperature Sensor Switch 30 AMP Relay Kit

About the Relay:Relay is an electrical control device that usually used in automatic control circuit.The relay in fact is an automatic switch which uses a smaller current to control a larger current.About the Relay Pins:Pins 85 & 86 - are used to turn 'on' the relay. You need a positive (+) and negative (-) power source toturn on the relay.- Pin 85 - is usually negative (-)- Pin 86 - is usually positive (+)Pin 30 - is either a (+) or (-) source that feeds Pin 87 or Pin 87aPin 87 - when the relay is 'on': Pin 30 and Pin 87 are connectedRelay Kits Instructions:RED + connect directly to battery.WHITE wire to ignition switch power source.BLACK goes to thermos switch.BLUE wire goes to the Fans.What's Note:The relay is rated for 30A, while the socket 14AWG wires are not big enough for the rated 30/40 amps.If you are intending to run 30 amps continuously, you could remove the spade contacts from the connector, carefully open the crimps securing the wire to the contact and recrimp/solder 10 gauge wires to it. Also, you can use 6.3 mm female connectors to connect directly to the relay pins. The relay should be good for 30 amps.

• Relay is an electrical control device that usually used in automatic control circuit, designed to match the original hardware required to repair
• This relay kit is set up to turn your electric fan on at 185 degrees and shut off at 175 degrees, compatible with almost all automobiles and devices equipped with a 12V DC power supply. For example, automobile of control, alarms, horn, headlight and more
• This thermostat kit includes everything you'll need to hook up to your fan, includes a brass adapter to install the sending unit, wires, relay switch, circut breaker, terminals and mounting screws
• The relay is rated for 30A, while the socket 14AWG wires are not big enough for the rated 30/40 amps