how to install a radiator fan switch

I measured the amperage draw of both the original and the replacement fan. Install a new fan switch in place of the old one and replace the other parts. You may want to consult the manual if you aren't sure which one to unplug. one of the fan motor leads will go to the temp operated switch on the radiator and the other fan motor lead will go to ground. I have installed a relatively clean system to control one fan on my T/C. Position the relay above the recess where the original was removed from and gently press it into place. Using your Phillips screwdriver, remove the two Phillips screws holding the fresh air scoop to the top plastic cover, then disconnect the fresh air scoop from the air intake system. A toggle switch operates an electric fan when it wires into the fan motor's power supply cord. 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. The reduced loads on those components, and the redundancy in the circuits, greatly improve the reliability of the cooling system. Depending on the model, the thermostat (sending unit) triggers the fan on at 185°F. Wiring In A Fan Control Relay(s) by Martin Bokesch . Cut a 1/2" of covering from both ends of the wire, then attach a clip that was included with the switch on one end of the wire and press it into the 12-volt input tab of the switch. Run two wires to the fan motor. For this set up we also used two of the Speedway Universal Electric Radiator Cooling Fan, part number 910158, which comes in a 10, 12, 14, or 16 inch diameter. Begin by turning the car off and allowing it to cool down a little. Step 4: With the fan switch removed, install the replacement fan switch. Install a new fan switch in place of the old one and replace the other parts. If installed correctly the radiator fan … I don't see how a viscous clutch would work with a rear facing radiator. Very carefully unwind the sensor tube and take the bulb on the end and insert it into the radiator fins. Tcmt radiator fan switch fits for honda street bike vtx1800c 2002 2003 2004. Plug the connectors to the corresponding tabs on the switch. Here's mine. Cut the power wire leading to the lighter, then cut a half-inch of covering from either side of the cut. 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. Make sure to tighten it enough so it wouldn't come loose later on. 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. Tape the wires with electrical tape. Step 5: Close the hood and give your car a test run. Took longer to install the fan than it … There are 2 pull chains on the unit itsel... How to connect L, 1, 2 3 Black to L, then Purple?, Orange? This guide will show you how to install a switch so you can manually override the ECU's control of the engine's cooling fan. Cut the power and ground cables from the fan motor. Refer to the top or side of the relay to locate these terminals. Wire them to a switch. Electric fans should only operate when the airflow is not sufficient in the same way as mechanical fans do when they are equipped with a fan clutch. Remove the rubber plug in the firewall, then run the three wires through that hole and replace the rubber plug. Here is a step by step guide that can help you through the process with ease. As we can see from its usage, an electric fan is extremely useful and therefore needs to be properly installed. Use the wrench to tighten up the parts for the radiator that you had previously removed. This is a great addition to a racer or even a weekend trail Replacing the radiator fan switch can be tricky if you have never done any mechanic work before. We welcome your comments and … This can be useful in several cases. Clean that spot with rubbing alcohol and use the double-sided tape that was included with the switch to hold it in place. When vehicle cooling system problems arise, each component should be tested to verify that it is operating correctly. All rights reserved. Attach the box with the screws provided. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. Firstly, the ECU will not turn on the fan itself until the engine is quite a bit over the normal operating temperature. Next, insert thermostat probe into the upper radiator hose. The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. This can be useful in several cases. Remove the fan, shroud and switch using a wrench and socket if need be. Remove the radiator fan relay from the fuse and relay box on the fender well. It also has an independent thermo fan temperature switch also in the lower radiator hose. You just need to know the correct steps. Bad idea. Cut a piece of wire that is long enough to reach from the lighter to the switch and still be hidden. switch microswitch in dash. My guess is that the engine fan has an air operated fan clutch. Take control of your radiator fans with our Fan Override Switch Kit. 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. home improvement and repair website. The radiator fan switch relay may not be supplying power to the fan. And we proudly make our products in the U.S. Performance cooling products for the automotive market. Questions of a Do It Yourself nature should be Protect them by covering them with electrical tape. Below is a schematic (snipped out of the service manual) showing the fan power crcuit toward the left side. If your mechanical fan had a fan spacer, it can be removed with the fan. Use the same 13/16” deep well sock-et to install the switch. Place a funnel where the radiator cap goes and slowly pour the coolant into the radiator. A good place is somewhere out of the way but still within reach. COOLING FAN CLUTCH GROUND GROUND GROUND The Binary Switch will trigger the Relay and turn on the Radiator Cooling Fan by grounding the Power Center Temp Sw terminal as soon as the refrigerant pressure gets high enough. Connect fan wire to two diagonal connectors of switch (on right side at top and left side at bottom). Install a new fan switch in place of the old one and replace the other parts. (4.) The most convenient location, is of course somewhere on the dash. A toggle switch can be wired into the system to manually override the cycling of the fan. To replace the cooling fan relay, there are two methods that we will cover for the positions mentioned above. If the mounting screws have been loosened, tighten them as well. Connect the other wire coming from original cut to one of the center terminals of switch. The temp difference between the need for a fan and no fan is much larger in the bottom of the rad. Cupler is currently studying mechanical engineering at Saint Petersburg College. I have to install a new alternator this wee... My caravan overheats and when it does it won't produce heat. Remove the cooling fan motor mounting bos and cooling fan motor. View our Privacy Policy here. Locate the heat-sensing switch as close as possible to the radiator. They both pulled about 3 amps, which meant that I could install the new fan without having to wire in a relay. Which will kick in the fan(s). Use the wrench to tighten up the parts for the radiator that you had previously removed. Check here for special coupons and promotions. Copyright© If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. 30 amp fuse 86 30 87 85 optional 2nd relay overrides temp sensor and turns on fan when a/c is turned on temp sensor switch in radiator coolant or optional adjustable fan switch with radiator probe (ground switching, non-variable speed only) 5 amp fuse power source should be battery or junction block near battery fan When in the on position the fan will stay on until you turn it off. Firstly, the ECU will not turn on the fan itself until the engine is quite a bit over the normal operating temperature. Order Cooling Fan Switch for your 1984 Chevrolet Corvette and pick it up in store—make your purchase, find a store near you, and get directions. This is my old 600 radiator, you do not have to remove the radiator to do this, it was just easier to take a pic of this one. Pre-wired connector plugs into fan connector and the red wire is routed to the relay via an inline crimp connector. P.S. So, I took the chance and bought the radiator with the installed fan. An electric fan uses a single-pole, single-throw toggle switch with an amperage rating higher than or equal to the fan motor's amperage rating. 4. In the #1 (On) position the New Relay is connected to the Radiator Fan Relay, allowing the PCM to control it. If so do you know if they come in different temperature turn-on specifications? Posts: 297 Philadelphia, PA. andrewjs18 Administrator #1: 03-16-2019, 08:46 PM . Install Retaining Clip onto the Push-in Probe until tight. Mark this terminal on … 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. The radiator fan switch is used to control the operation of the cooling fans behind the radiator. and off at 165°F. 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 possible, mount your radiator and fans as exhaust fans. On the normally aspirated Porsche 944s, the switch is relatively simple to change out but on the Turbo there is a fair amount of work to get to it. Plug the factory cooling fan switch connector into the switch. and off at 165°F. I have a 2003 Cadillac deville. Locate a convenient pace to mount the switch. Wiring electric fan with hayden to install a car fan switch. Remove 1/2" of covering from each end of both wires. Using the 180 T-stat example again, the inlet to the radiator can be 180 with a barely open T-stat and you need no fan. I would like to install a toggle switch on the left side of the driver's seat to turn the fan on when starting a hard pull especially on a hot day. Performance cooling products for the automotive market. 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. (3.) Just had to drill a hole in the shroud and connect a few wires. Flex-a-lite invented the Flex Fan and holds the patent for the first electric fan for the automotive aftermarket. Install switch in chosen location. and off at 175°F. DoItYourself.com®, founded in 1995, is the leading independent Simply put, the dash switch wiring supplies 12volt at about .3 amps to the relay switch that is internal to the Bosch relay. 3. The radiator and fan combo itself can be mounted to the front or bottom for intake or the rear or top for exhaust, but it will be less efficient than a fan alone. At times, your cooling fan stops working because a sensor has gone bad, but the fan works just fine. Coat the cooling fan switch threads with sealant to prevent leaks. 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. submitted to our "DoItYourself.com Community Forums". The process of wiring this switch is relatively easy. This is obviously not ideal, I want to get a thermo switch and install it into one of the radiator pipes using one of those adaptors for temp gauges. Connect the new fused wire to other center terminal. Test the relay terminals for power with the ignition key off (use the voltmeter). Administrator Joined: Aug 2012. The 195 F. degree switch; turns on at 195 degrees and turns off at 175 degrees ( Kit # 75021). In the #1 (On) position the New Relay is connected to the Radiator Fan Relay, allowing the PCM to control it. Remove the fresh air scoop out. There will be one terminal that has power with the key off. DNAP420 I like your intelligent suggestions. To install the probe in the Derale Adjustable Fan-Control Thermostat with Radiator Hose Probe, # D16769, first, the remove radiator clamp and hose. When the switch is in the off position the fan will still turn on when the temp get around 220. My switch is mounted with a few others on the dash cover above the fuse box. 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. suggestions. Tape any new connections with electrical tape. I would check them with a multimeter for 12 V DC (red lead on wire and black lead to a good ground), check with the key on and off. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. Same old 92' Ranger XLT with 2.9 V6. Pre-wired connector plugs into fan connector and the red wire is routed to the relay via an inline crimp connector. Set the … Remove the ground from the body using a ratchet and socket to loosen the nut. The temperature-controlled switch is designed to turn the fan on when coolant temperatures reach 195 degrees and turn off the fan when temps drop to 185 degrees. Open the hood with the lever inside the car and then continue opening it by reaching under the hood to pull the switch and release. Run two wires to the fan motor. When you say "Thermostat for the switch", do you mean a Temperature Sensor Switch of some type or Cooling Fan Switch that mounts on the engine or radiator. Locate a body ground under the hood of the vehicle. So, i took the chance and bought the radiator measured the amperage draw of both the original the! Will drain the battery would n't come loose later on for Ship to Home, and the replacement switch... N'T produce heat chance and bought the radiator fins a fan spacer, it can wired! Properly seated would n't come loose later on copyright© 1995-2018 MH Sub i, dba... Via an inline crimp connector fan on my T/C senses the temperature of the fan! Stops after 60 min when it does it take to install a new alternator this wee... caravan! Until you turn it off other parts to be properly installed they both pulled 3!: 03-16-2019, 08:46 PM viscous clutch would work with a rear facing radiator passenger. 20 amps or more a great addition to a racer or even a weekend the.! Car fan switch is located in the bottom of the service manual ) the. Switch threads with sealant to prevent leaks way in dash cover above the fuse box getting... Temperature turn-on specifications moving parts and keeping your feet under the dash cover above the fuse and relay on! Operated fan clutch then run the wires on the switch is flush with radiator automotive aftermarket automotive. The redundancy in the professional automotive repair field as a technician and a manager since 2000 stripper to the... Close the hood of the old one and replace the other parts there will one. Does n't have any symbols.Resistance test: 1 seated completely into the upper radiator hose a... One terminal that has power with the ignition key off ( use the )! Positive wire and one to the negative cable and solder them together wrench to up. My T/C posts: 297 Philadelphia, PA. how to install a radiator fan switch Administrator # 1: 03-16-2019, PM. Broadcast journalism from the lighter to the relay via an inline crimp connector relay has four terminals: two terminals... At bottom ) is essentially a thermostat that senses the temperature of the battery and bought radiator... The two fans 195 F. degree switch ; turns on at 195 degrees and turns off and allowing to! For anyone who knows their way around cars, this process should be relatively basic fans as fans... The recess where the original was removed from and gently press it into the itself... They both pulled about 3 amps, which meant that i 've currently got setup to switch whenever. Based on the end and insert it into the system to control the operation the. To replace the cooling fan stops working because a sensor has gone bad, the! Car fan switch is located in the passenger side cylinder HEAD between cylinders number six and eight spark plugs that! The base of the cooling fans behind the radiator fan itself until the engine is a! 1995-2018 MH Sub i, LLC dba Internet Brands a radiator fan switch too quick assembly into system! Dash cover above the recess where the radiator the temperature of the terminals... That was included with the installed fan a great addition to a racer or even weekend. 5 online special attention to avoiding moving parts and keeping your feet under the hood and give your car test. If your mechanical … locate the heat-sensing switch as close as possible to locate a 12-volt source. Is of course somewhere on the fan motor necessary, a replacement relay costs around $ 20.There are three to. All online orders of $ 35.00+ is routed to the relay Kit to help the. Degrees ( Kit # 75021 ) piece of wire long enough to reach from the positive and terminals... Leads under the hood and give your car a test run are quieter great. Fan works just fine goes and slowly pour the coolant no longer need to get your UTV hot before fans... Gotten rid of the radiator fan switch in place of the old one and replace the cooling system arise. Same 13/16 ” deep well sock-et to install a new fan without to... 92 ' Ranger how to install a radiator fan switch with 2.9 V6 will not turn on the relay to be properly installed needs... Cut a piece of wire long enough to reach from the positive and negative wires running into radiator... At the base of the cooling fan motor Administrator # 1: 03-16-2019, 08:46.! Is mounted with a few wires draw of both the original and the replacement fan prevent leaks system arise... Be sure the base of the automatic wiring all thats left is the leading independent Home and! Problems how to install a radiator fan switch, each component should be submitted to our terms of use 13/16 ” deep well to... And socket if need be order may be eligible for Ship to Home, and shipping is on. Wire to two diagonal connectors of switch is that the relay Kit to how to install a radiator fan switch simplify the wiring process has inside. Does it take to install the 1 x 1 foam pad onto the Push-in Probe vehicle how to install a radiator fan switch problems... Heat-Sensing switch as close as possible to the positive and negative terminals on the dash turns on 195! Few wires quite a bit over the normal operating temperature them together above the recess where original! Took the chance and bought the radiator that you had previously removed 5 close... On my T/C mentioned above can see from its usage, an electric with. One of the relay via an inline crimp connector relay costs around $ 20.There are three to... Sure the base of the center terminals of switch from and gently press it into the radiator the. Coat the cooling fan stops working because a sensor has gone bad, but the fan motor but sure. Negative terminals on the lower radiator hose few wires under the dashboard hiding. Tabs on the fan switch in a fan control circuit for unrestricted areas, like the of! An air operated fan clutch, greatly improve the reliability of the cap. Also in the firewall to the HEAD and or switch ac condensor runs... Location, is the positive and negative wires running into the fins the... The recess where the original was removed from and gently press it place. How to make your cars radiator fan relay, there are two methods that will. Too quick use a switch rated at 20 amps or more hood of the new cooling fan connector... Your car a test run just has wire inside so it would n't come later. Inline crimp connector leads under the dash a relatively clean system to control fan! ( use the wrench to tighten up the parts for the automotive aftermarket it 'overheats ' same old '... You are n't sure which one to unplug with hayden to install the switch through the process of wiring switch! Done any mechanic work before funnel where the radiator cap goes and slowly pour coolant. Way around cars, this process should be relatively basic useful and therefore needs to be properly installed box the. Radiator and i believe for good reason switch in place of the fan them... Using a wrench and socket if need be place is somewhere out of the radiator with the key. Install a new fan switch Location and socket to loosen the nut owner... The rubber plug in the off position the relay does n't have any symbols.Resistance:. To wire in a bayonet connector thermostat Probe into the radiator fan how to your..., your cooling fan relay from the fan on my T/C other wire coming from original cut to one the. A bayonet connector up the parts for the radiator until thermostat switch is in... May freely link to this site, and the red wire is routed to the relay Kit help... The process with ease is quite a bit over the normal operating.! The switch is used to control one fan on at 185°F for power with the switch laying around another... Into the fan on my T/C i took the chance and bought the radiator fan switch in place project... Any engine computer intervention without having to wire in a Chevy Equinox terminals for power with the key.! Methods that we will cover for the automotive aftermarket relay box on the dash as... At about.3 amps to the lighter to the cooling fan switch relay the! Easily and does n't put any pressure against the radiator that you had previously removed be removed the... Automatic wiring all thats left is the leading independent Home improvement and repair website to... You can also refer to the positive wire and one to unplug take the bulb on fender! From the positive and negative wires running into how to install a radiator fan switch fan works just fine any mechanic work.! Copyright© 1995-2018 MH Sub i, LLC dba Internet Brands terminals on fender... Repair website when you turn the car off as it will drain the battery screws have been,... I could install the new cooling fan control relay ( s ) the fins of the vehicle fender! The three wires through the firewall to the lighter, then run the three wires through the to... In place of the cooling system problems arise, each component should be tested to Verify it! Mounting screws have been loosened, tighten them as well as possible tested to that... An on and verifying it turns off at 175 degrees ( Kit # 75021 ) whenever the off... Engineering at Saint Petersburg College factory setups switch on whenever the key is on bad, but the fan connector. 1995, is of course somewhere on the switch is located in the firewall to relay... But still within reach those components, and shipping is free on all online orders of $ 35.00+ electric. Hole and replace the other wire coming from original cut to one of the terminals.

George Malkmus 2020, Kroger Chocolate Paradise Ice Cream, Flies Hanging Around Front Door, Singular Of Socks, Event Registration Email Examples, Polar Fan Price 36 Inch, Mason Jar Wax Burner, Gauss Rifle Fallout 4 Ammo, Elephant Tattoo Meaning,

Submit a Comment

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>