Electric Cooling Fan Relay Wiring Diagram

Most stand alone adjustable thermostats i e.

Electric cooling fan relay wiring diagram. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. Conversion project 2 2009 volvo 940 850 16 inch fan not recommended for hotter climates volvo 940 850 cooling fan this is a very popular fan used in many conversions. 85 black wire. 87 red wire connects to the positive wire on the electric fan.

It uses our 40 amp electric relay kit part number 91064044 and electric fan sensor part number 91064013. Locate the relay in immediate proximity to the fan being used. The supplied diagram is both the most reliable and easiest method i ve found. Electric fan connection using a fan relay kit.

86 gray white wire goes to the ignition switch. Or a single relay could be used to control both fans. 30 other red wire needs constant 12 volt power from the battery. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note.

For my 8 page assortment of relay wiring diagram options including two speed circuits click here pdf file. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. Likes to use two relays to power up one large electric cooling fan. Even though the iso relays are rated at 20 amps for this application experience has shown a large fan motor.

It reveals the components of the circuit as simplified shapes and also the power and signal connections in between the tools. Volvo electric primary cooling fan conversions. 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. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit.

It uses a 40 amp electric relay and electric fan sensor. Remove the nut on the battery terminal and put the wire connector over the bolt and tighten the nut. For example dual thermostat switches or dual relays could be used to control each fan separately. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method.

Install a 10 gauge wire to the battery positive terminal with the use of a round electrical connector.