There are several ways that a dual fan can be wired.
Wiring dual electric radiator fans.
The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process.
For this set up we also used two of the speedway universal electric radiator cooling fan part number 910158 which comes in a 10 12 14 or 16 inch diameter.
Installing an electric cooling fan or radiator fan can be intimidating.
With dual cooling fans there are two methods for wiring up the relay kit.
86 gray white wire goes to the ignition switch.
Wiring dual cooling fans.
Some times any car wiring project is hard.
85 black wire.
Today we will talk about how i wired my mk.
87 red wire connects to the positive wire on the electric fan.
30 other red wire needs constant 12 volt power from the battery.
Dual electric cooling fans have several benefits over single fans dual fans can pull or push more cfm between the two fans versus a single fan and dual fan setups allow for more clearance for front of engine accessories.
Just an idea on how to wire up electric cooling fans for your vehicle cooling fans.