How to Install Electric Radiator Cooling Fan: All You Need to Know! Those mechanical fans were fine for stock vehicles coming off the showroom floor in the 1960s and 1970s, but back then many cars were seeing horsepower numbers far below 400. The reason why you should drill holes in the fan shroud is so that you can later mount the brackets to the radiator with their help. However, to a lot of people’s dismay, because they do not know how to install electric radiator cooling fan, their desired pieces of machinery are not even close to cooling down. The radiator fan gets mounted to the radiator by using a screw that mounts through the entire fan (in one side, out the other). The temperature sender, if used, is designed to provide a ground signal at about 185 degrees, and will shut back off when the temperature drops below 165 degrees. However, this step should be avoided because the thermostat that your car comes integrated with is very undependable. Before we get started on how you SHOULD connect the wired network of your cooling fan to the engine or radiator of your car, let us take a look at the steps you should avoid doing. – Steve Burke, GamersNexus Although there are countless fans available in the market, only a handful of them actually serves their purpose the way they are supposed to, while the rest of them almost always lead to your machinery getting overheated. Next, find a suitable location for the relay that is away from excessive heat, and someplace where it's not exposed to the elements, such as water splashing up from the road. An electric fan motor connected to a plastic fan blade located directly behind the radiator which is controlled by a coolant temperature sensor. This kit can work with most radiator braces and fuel tanks but verify fitment before install. It's unlikely you would have room for both, but you should never run a mechanical fan with an electrical fan on the same side of the radiator. I have installed a relatively clean system to control one fan on my T/C. If you want to make the brackets, do make sure that you cut a couple of slabs of 3MM steel. If your mechanical fan had a fan spacer, it can be removed with the fan. I bought a new Chinese-made triple-core aluminum radiator and fan off eBay, hoping that they’d solve the problem. It should have a shroud that will let air flow correctly over the whole span of the radiator. In that car, I have a 170-degree thermostat, a seven-blade clutch fan, and the stock two-row radiator. Whichever you choose, it's to your advantage to select a fan that covers as much of the radiator core as possible. The fan is located in the engine compartment, at the front or rear of the radiator. In this section, we’ll detail the entire process step-by-step for you. Thank you for reading till the end! Connect the electrical wires to the controller box. Radiator Fan Cost. Anyone here install the Radiator/ and Fans that come with it? Quick check, turn on A/C, turn on Recycle, fan … 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. As mentioned previously, the method that we have just described is one of the best ways to install your cooling fan. Usually, all fan thermostats can be adjusted, but it still would not hurt to know in advance whether the one you wish to buy is variable or not. Administrator Joined: Aug 2012. Otherwise, you will not be able to carry out this step. When carrying out this idea, people have it in mind that they will turn the cooling fan on by themselves while the car is at rest or is only at the point of gaining some amount of speed after looking at the temperature gauge for some time. 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