The fan will turn on when the a c compressor activates.
Dual electric radiator fan wiring.
There are several ways that a dual fan can be wired.
Free shipping by amazon.
Our dual fan wiring harnesses come complete with the proper gauge and color coordinated wire a temperature sending unit waterproof 40 amp relays and a 30 amp fuse with fuse holder.
For example dual thermostat switches or dual relays could be used to control each fan separately.
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.
Wiring dual cooling fans.
Also included is a complete installation instruction booklet with user friendly easy to follow detailed diagrams.
For example dual thermostat switches or dual relays could be used to control each fan separately.
Or a single relay could be used to control both fans.
With dual cooling fans there are two methods for wiring up the relay kit.
Connect yellow and grey wires to ground.
Dual electric cooling fan wire harness kit 185 on 165 off thermostat 50 amp relay new.
The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method.
The orange wire from the a c relay goes to the 12 volt of the a c compressor clutch wire.
Connect the red wire to the sending unit wire of the original fan relay harness.
The supplied diagram is both the most reliable and easiest method i ve found.
American volt dual 12 inch electric radiator cooling fans upgraded 90w motor thermostat sensor probe relay wiring switch kit universal for cars.
There are several ways that a dual fan can be wired.
Or a single relay could be used to control both fans.