Cooling Fan Wiring Diagram

The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. I have had a lot of people ask me about gm radiator cooling fan diagnosis in the past. Auto electric cooling fan wiring part 2 wiring the relays duration.

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They are actuated by the computer which uses the.

Cooling fan wiring diagram. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. When installing an auxiliary fan or simply wiring the factory fan so that the driver can manually turn the fan on and off make sure the fan is turning in the right direction. Since my engine is not stock 1971 riviera 455 cubic inch big block the cooling fan previously that was installed is just not enough to cool it down. Both of these relays have a separate hot wire to the fan.

The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. Its circuit goes from the battery positive to the fuse. A radiator cooling fan on a chevy cavalier is controlled by the computer. From the fuse it travels to two relays.

Spal wiring diagram this spal fan wiring harness is designed for high output fans ap90 series 12v motors which have wires as directed in the wiring diagram and notes below. Most stand alone adjustable thermostats i e. 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. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note.

It uses a 40 amp electric relay and electric fan sensor. Cooling fans wiring diagram amazon printed books https. With dual cooling fans there are two methods for wiring up the relay kit. The low speed and the high speed relay.

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. Start with taking both of the positive wires from the fans and run it to the yellow wires on each relay. If the fan is not turning in the right direction air will be blown away from the radiator and will not help to cool the radiator. It basically runs two fans in series for low speed and then put s each on it s own 12v circuit for high speed.

Wiring dual cooling fans. So we have bought a ford taurus 2 speed fan this fan had rumored to cool down the biggest and some of the toughest blocks around. Chris craft 24 824 views. So today we are going to do the wiring part of the fan.

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