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

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$17.90

$ 7 .99 $7.99

In Stock

About this item

  • 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
  • US Local Delivery! If you get any problems with our this Electric Cooling Fan Thermostat Kit, please contact us in the first time


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 to

turn 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 87a

Pin 87 - when the relay is 'on': Pin 30 and Pin 87 are connected

Relay 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.




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