Copyright© Test the fan by turning the car on and verifying it turns off and on as you change the switch. AC condensor fan runs fine then stops after 60 min when it 'overheats'. The first part of the installation is to install the electric fan to your radiator, and remove the mechanical fan. or on at 195°F. The first part of the installation is to install the electric fan to your radiator, and remove the mechanical fan. The process of wiring this switch is relatively easy. (3.) Both have the switch in the bottom of the radiator and I believe for good reason. I had the switch laying around from another project but pretty sure it was <$5 online. You may freely link Which will kick in the fan(s). Install switch in chosen location. Performance cooling products for the automotive market. Essentially the same as the diagram above, only you use a 3-Way switch (On-Off-On) to control the signal wire leading from the New Relay to the Radiator Fan Relay. Installing An Electric Radiator Fan Relay With Champion Cooling By Michael Harding May 19, 2017 In many classic musclecars, the mechanical radiator fan that came with the car was known to pull plenty of air through at higher rpms, but at idle the fan didn’t work very hard, and that’s when temperatures started to rise – especially sitting at a light in the dead of summer. Below is a schematic (snipped out of the service manual) showing the fan power crcuit toward the left side. Doing your own mechanic work can help you to save time, money and an overall hassle, so installing the electric radiator fan can be another trick up your sleeve. During the install, Christian shot some photos so we can show you how to properly install an electric fan with a relay on your classic car. If your mechanical fan had a fan spacer, it can be removed with the fan. If so do you know if they come in different temperature turn-on specifications? Protect them by covering them with electrical tape. Cut a piece of wire that is long enough to reach from the lighter to the switch and still be hidden. 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. submitted to our "DoItYourself.com Community Forums". Just line it up between the cores and push it all the way in. If your mechanical … To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Check here for special coupons and promotions. Whether you are replacing a part that has gone bad or you are building a vehicle from scratch, you will need to know how to install a radiator fan in order to prevent your vehicle from overheating. At times, your cooling fan stops working because a sensor has gone bad, but the fan works just fine. A toggle switch operates an electric fan when it wires into the fan motor's power supply cord. The full product line now includes the patented Flex-a-fit aluminum radiators, electric fans, belt-driven fans, oil coolers, Mojave heaters and Flexite windows. The switch is connected directly to the cooling fan relay without any engine computer intervention. The auxiliary fan switch is located on the left side of the radiator near the top of the radiator and just below the coolant hose. If the mounting screws have been loosened, tighten them as well. Essentially the same as the diagram above, only you use a 3-Way switch (On-Off-On) to control the signal wire leading from the New Relay to the Radiator Fan Relay. Once you are finished, make sure that all of the mounting screws from the bracket are tightened if need be and replace the hood, making sure that it is tightly shut so it doesn't come up as you drive. And we proudly make our products in the U.S. You just need to know the correct steps. Make sure to tighten it enough so it wouldn't come loose later on. and off at 165°F. Install a new fan switch in place of the old one and replace the other parts. Pull apart the connector, disconnecting the fan from the electrical system. Take control of your radiator fans with our Fan Override Switch Kit. If installed correctly the radiator fan … Simply put, the dash switch wiring supplies 12volt at about .3 amps to the relay switch that is internal to the Bosch relay. The challenges of installing a new radiator fan I’ve gone on and on for nearly two months about the front-end refresh in my ’74 Lotus Europa Twin Cam Special. problems contact webmaster@doityourself.com. Position the relay above the recess where the original was removed from and gently press it into place. You can mount your switch anywhere you wish. 1984 COOLING FAN SWITCH INSTALLATION. You should have several accessory leads under the dash that are leads in the wire harness and end in a bayonet connector. 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. Then you can follow the wires and unplug the actual radiator fan. 3. I have a ceiling fan/light combo. Locate a 12-volt power source by using the multimeter. Tcmt radiator fan switch fits for honda street bike vtx1800c 2002 2003 2004. This can be useful in several cases. so far ive gotten rid of the automatic wiring all thats left is the positive and negative terminals on the two fans. Cut three pieces of wire long enough to reach from the switch through the firewall to the front of the engine compartment. Administrator Joined: Aug 2012. Remove the fan, shroud and switch using a wrench and socket if need be. Run two wires to the fan motor. Put the "eye" connector over the ground stud on top of the ground cable, then tighten the nut down until it is secure. Place a funnel where the radiator cap goes and slowly pour the coolant into the radiator. Mark this terminal on … We welcome your comments and Cupler has worked in the professional automotive repair field as a technician and a manager since 2000. A good way to locate a ground is to follow the ground cable of the battery. Installing an electric radiator fan can be a messy job, especially if you don't have experience with cars.Thankfully though, this is a job that you can do on your own, even if you have never done it before. Visually look at the base of the cooling fan relay to be sure the base of the relay is seated completely into the socket. Run two wires to the fan motor. 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