Ac Fan Relay Wiring

Relay internal wiring diagram new wiring diagram indoor blower motor.

Ac fan relay wiring.

Air handler fan relay wiring diagram collections of goodman air handler wiring diagram delightful model first thermostat. The fan will turn on when the aic compressor activates. The fan will turn in either direction depending on which of the two wires the power is supplied to. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits.

From the second a c relay connect yellow and orange wires to ground. This relay will have 2 wires going to ground our grey wire and an additional wire going from the relay to the green wire by the ac compressor. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. To a c compressor wire trinary switch vehicle ground.

Hvac fan relay wiring diagram download. 1st relay turns on fan when temp sensor is activated battery 86 30 87 85 12v switched wire to green wire at a c clutch. 30 other red wire needs constant 12 volt power from the battery. The fan will turn on when the a c compressor activates.

Air conditioner relay diagram 85 87 86 30 orange wire. To check which way the air goes just put your hand in front of the fan to make sure the air is blowing through the radiator. The orange wire from the a c relay goes to the 12 volt of the a c compressor clutch wire. This way even if the thermostat is not hot enough for the fans to come on the ac clutch will override this and turn the fans on.

86 gray white wire goes to the ignition switch. The gray wire from the aic relay goes to the 12 volt of the ajc compressor clutch wire. Connect the red wire to the sending unit wire of the original fan relay harness. 87 red wire connects to the positive wire on the electric fan.

Or in an 84 to 89 240 you may use the a c power on wire. Compressor via a 3 rd store bought relay. An air conditioner uses relays to switch the system s high voltage parts on and off. The relay contains a low voltage coil and a high voltage switch sometimes called contact points when the thermostat switches on a low voltage signal energizes the appropriate relay.

Wire to the sending unit wire of the original fan relay harness. 30 amp fuse 86 30 87 85 optional 2nd relay overrides temp sensor and turns on fan when a c is turned on.