New 175~185 degree electric fan thermostat relay switch kit , for your cooling system 12V 40 Amp 4 Pin Relay & Pigtail,3/8″ and 1/2″ pipe thread (NPT) 30 Amp Circuit Breaker,

This kit includes everything you’ll need to hook up to your fannding unit, relay switch, circuit breaker, terminals,wires and mounting screws.

This kit is set up to turn your electric fan on at 185 degrees and shut off at 175 degrees and will work with any 12 volt system .

Fit : 260 265 273 283 289 302 305 307 318 326 327 330 340 347 350 351C 351M 351W 352 360 361 383 390 396 400 400M 402 406 413 426W 427 428 429 440 454 455 460 472 502 Engines

Circuit breakers are manufactured with high requirements to greatly protect the safety of automotive system equipment. When the short circuit current of the system is too large, the circuit breaker will be automatically disconnected.if you get any problems with our this Electric Cooling Fan Thermostat Kit, please contact us in the first time.
Specification:
Voltage: 12V DC
Material: Plastic and Metal
Package Box Size: 13.5 x 9.5 x 7.5cm (L x W x H)
Cable Length: approx.165cm
Quantity: Pack of One Set
Installation Notes
1. Mount the relay under the hood in a convenient location as to the fan as possible. 
Notice: Don’t use the teflon tape or thread compoud on the thermostat or adaptor. For proper operation, the thermostat must ground threough the threads to the engine and the engine must be ground.
2. Install thermostat into the head or intake manifold. Route the black wire to thermostat and cut to length. Crimp the red terminal onto the black wire and attach to thermostat.
3. Route and connect the red wire to the fan + terminal or power wire coming from the fan motor printed to electric fan.
4. Mount the circuit breaker provided in a convenient location as close as possible to whichever power source(battery or large terminal on the starter solenoid)you are using for the fan relay.
5. Cut to length and install using a small yellow ring terminal. With another small yellow ring terminal take the remaining red wire and connect the unused post on the circuit breaker to the battery source. This wire is printed to battery / conhot.
6. Route the brown wire to the ignition switch or the fan switch whichever is more convenient.
Installation tips:
1.Turning off the engine, replace the new cooling fan temperature switches after the water in engine radiator cooled to the room temperature.
2.Avoid the external high heat source after installation.
3.Avoid sprinkling water on surrounding auto parts during the installation.