4 Wire Cooling Fan Plug Diagram Car 3 pin and 4 pin fan wire diagrams. 3 pin fan connections. *cable coloring varies from fan to fan. pin name. color. color. color. color. 1. A 4 pin relay wiring diagram is used to control various components, such as a fan motor, by using a low voltage current to switch it on or off. setting up a 4 pin relay wiring diagram requires a basic understanding of how the components work and what they need in order to function properly. with the right wiring diagram, your fan can be.
How To Wire Auto Electric Cooling Fan 4 wire fans explained. a 4 wire cpu (motherboard) fan is a standard brushless dc (bldc) fan, but has four wires extending from the casing. each of these wires serves a specific purpose. note that chassis and cpu fans may use either 3 pin or 4 pin power connectors. 3 pin connectors are usually used for the smaller chassis fans with lower power. With dual cooling fans, there are two methods for wiring up the relay kit. this is based on the draw from the fans, if the fans are larger and draw more than 15 amps each, it's recommended to install a second relay kit as shown below. for smaller fans, both fans can be connected to a single relay as shown above, and the proper fuse should be. Either fan uses a 4 pin connector with only 3 pins containing wires, but the location of the 12v input wire (red blue) differs: pin #2 for the 600w fan, and pin #4 for the 400w fan. important: the connectors themselves differ between the 400w & 600w fans: a) x82 for 400w fan; here is connector view: newtis. b) x1797 for 600w fan: connector view:. Step 4: relay test. if your fan wiring includes a relay, it is important to test it as well. check for continuity across the relay terminals when the fan is supposed to be on. if there is no continuity, there may be a problem with the relay and it may need to be replaced.
Cooling Fan Wiring Diagram Auto Either fan uses a 4 pin connector with only 3 pins containing wires, but the location of the 12v input wire (red blue) differs: pin #2 for the 600w fan, and pin #4 for the 400w fan. important: the connectors themselves differ between the 400w & 600w fans: a) x82 for 400w fan; here is connector view: newtis. b) x1797 for 600w fan: connector view:. Step 4: relay test. if your fan wiring includes a relay, it is important to test it as well. check for continuity across the relay terminals when the fan is supposed to be on. if there is no continuity, there may be a problem with the relay and it may need to be replaced. Pin 2 (vcc): connect the red wire from the fan. pin 3 (sense): connect the yellow wire from the fan (optional). pin 4 (control): connect the blue wire from the fan (optional). wiring a computer fan with a 4 pin connector is a straightforward process once you understand the purpose of each pin. Install the temperature controlled sending unit in one of the cooling passage ports on your intake manifold, making sure to use a high temperature thread sealant to prevent leaks. the sending unit.
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