Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87.
Electric fan wiring with relay.
A team performance electric cooling radiator fan relay kit with thermostat installation hardware wiring set 180 to 200 degrees temp sensor temperature switch 40 amp relay 4 1 out of 5 stars 61 14 99 14.
The fan will turn in either direction depending on which of the two wires the power is supplied to.
The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method.
Fan power and ground.
87 red wire connects to the positive wire on the electric fan.
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.
It uses a 40 amp electric relay and electric fan sensor.
There are two methods to wire the relay one with manual control and one with automated control.
86 gray white wire goes to the ignition switch.
Derale 16765 dual electric fan relay wire harness kit 40 60 amp heavy duty.
Suggested electric fan wiring diagrams converting a 12 volt switch into a ground switch these diagrams show the use of relays on off sensors on off switches and on off fan controllers.
30 other red wire needs constant 12 volt power from the battery.
Electric fan relay wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.
4 5 out of 5 stars 8 8 product ratings derale 16765 dual electric fan relay wire harness kit 40 60 amp heavy duty.
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.