Installing amp fans

CraigP , Dec 19, Joined: May 31, Messages: Likes Received: There are quite a few Amp Manufactures who now mount their amps upside down at the top when building a Head instead of the usual Combo Fans are not a good idea If you must Last edited: Dec 19, GT08 , Dec 19, Crunchifyable likes this. Cool deal.

Thanks for the input. You must log in or sign up to reply here. Show Ignored Content. Share This Page Tweet. Your name or email address: Do you already have an account? No, create an account now. Yes, you can control dual fans separately. You can use dual thermostatic switches that control each fan individually for example.

This method requires a second temperature switch, a little additional wiring, and of course dual relays. Some prefer to have the second fan on a manual switch for additional "emergency" cooling, while others will wire their second fan to use the air conditioning compressor signal to engage the second fan. There are even fancy controllers and in-dash temperature gauges with fan outputs, as well as cooling fan outputs on most aftermarket fuel injection systems, to control one or both fans.

Controlling the fans individually can be beneficial in certain circumstances, but usually is unnecessary extra work, as most of the time you only want your fans on to cool the car down then to have them shut off. For the setup shown here we used two of Speedway's curved blade universal electric cooling fans.

These are available in 8, 10, 12, 14, or 16 inch diameters to fit most any downflow or crossflow radiator application. These fans can be directly mounted to the core with our nylon mounting kit or if you have the room for a full aluminum fan shroud to cover your radiator's core even better!

The color coded diagram below will correspond with the wires on the relay kit we linked to earlier and listed at the bottom of this article to help simplify the wiring process. Start with taking both of the positive wires from the fans and connect them to the yellow wires on each relay. You will then need to run switched power usually from your ignition switch, but modern replacement wiring harnesses usually have a fused fan relay trigger wire to the blue wires on the relays.

Next, both of the black wires from the relays are spliced together and connected to your thermostatic switch. Lastly, connect a fused constant power to both of the red wires on the relays. This is the load side of the relay and you should use a minimum of 14 gauge wire here. The white wire on the relay pigtail will not be used. With these dual fans wired up you can keep your car cool and not have to worry about clearance issues!

Updated by Mark Houlahan. Products to Compare max of 3 X. Videos All Videos. More Info. Speedway Single 70 Amp Relay Module. Related Articles. Learn how to choose the best radiator for your vehicle. Our guide covers key factors to consider when selecting an aftermarket radiator for your hot rod, muscle car, or classic pickup. Why convert to an LED-style headlight or taillight system?

Click here to find out how to do it the easy way! What electric cooling fan is right for you? This Tech Talk will take you through some key questions to consider when choosing a cooling fan for your radiator.

Check out this headlight wiring and taillight wiring diagram.