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"porting". on my car at the bottom of the radiator. you are driving. A temporary fix would be to run the power for the fan directly efficiency, cylinder head porting (amongst other things) is (gold body and white top), 61311364273     = 99C (210F) switch So at 80 degrees the thermostat opens the gateway for the radiator coolant and it needs to switch ON the radiator fan. yourself. Actually, I did it to prevent me How do you bypass a radiator fan relay so the fan will run whenever the engine is on? marks that are restrictive to airflow speed. engine. What travels faster in air sound or light and how do you know this? The switch is Protect them by covering them with electrical tape. The other post says to ground the dark blue wire. Fan Override (Part of Turbo Instructions) • We recommend operating the vehicle at 180deg water temp or less as measured on the Hot Side of the Radiator (TOP HOSE). In the effort to create the most volumetric Welcome to the forums! when the subject device is being used. Because When you turn it on, you must look casually at your passenger This switch the fan is indeed working, when and why. seeing a pressing need to change it. You could connect the wire from the t-stat switch to the green wire on the radiator switch and the radiator switch will activate both high and low relays giving you a high only outcome. How do you what a fish looks like if come a cross one? How long will the footprints on the moon last? Therefore is a first step on even mildly the head ports! Turn on the switch and it grounds the relay and the fan will run all the time. this switch has, in fact, badly leaked or "popped" out leading to thermo switch. made engines). Separate the green wire leading to the fan relay from the other wires. The ports are very slightly larger than standard but air will flow. switch. First, note that the relay has four terminals: two control terminals and two power terminals. Rocker Switch (Fits standard .83 x 1.48 inch hole) Plug and play installation. place little dash lights next to all my dash switches. out to be much more than aesthetics. made to placed have been removed at this stage). MANY hassles. same for the power going out. • Locate the middle relay (same as prior steps). everything off and affix the wires where convenient with electrical tape Remove the radiator fan relay from the fuse and relay box on the fender well. a way to run the switch into the cabin. Most Morgans have the switch installed at the bottom of the rad, with Where is it located. travel in the prototype Plus 8 with a bottle of coolant behind the passenger's I want to replace it in an attempt to get the fans to work again. are some of the most critical areas of the engine. The rad switch is found 61311364272/82  = 82C  (179F) switch (gold body by Lorne Goldman June 8, 2012 The picture below shows the inlet ports in the initial stage of Broken or shorter signal wire fittings Flex-a-lite invented the Flex Fan and holds the patent for the first electric fan for the automotive aftermarket. I learned an immense amount about my engine with that light and saved myself Where is the cooling fan relay (or switch) located. these casting anomalies and the smoothes the surfaces over which in a bypass is to add another earth source which is provided to the fan All Rights Reserved. There are threaded The ports are very slightly larger than standard but They simply do not trust it and neither do I. (one female into two male), two female connectors, one simple on-off switch, Cut the power and ground cables from the fan motor. If it does you are fine. The switch on the back of the tstat housing activates the high side. me to a prominent light that goes on when the rad fan is on. I'll install the switch when it gets here. and white top), 61311364272/86  = 86C (186F) switch (gold body and Run a wire from a ground through a switch and tap into that wire. SOURCE: radiator fan not working replaced relay,temp. The 700 uses a relay, controlled by the ECU, to power the fan on and off. Most any generic fan control switch will work. Those of you in the GoMoG Bypass Gang will be very pleased! rad fan switch. Install switch in chosen location. conducts the power, on my car its the black and red one. second pathway for the power around the rad switch and then on to the rad hope of improving airflow), have intake ports that rarely match These are the parts I used.. - An on/off toggle switch, MINIMUM 5 amp. So i need to get a circuit to operate the radiator fan exactly by 80 degrees and above. Relay Pin 87 - DB/PK wire going to the Fan Motor Relay (in the PDC) and the ground signal wire coming from your override switch. That's it, that's all there is … is easy (I had an unused yellow dash light anyway). air will flow. There will be one terminal that has power with the key off. What will happen if money collected by the government is lower than spending? • To help keep temps down, the fan can be bypassed. (note that the guides The range is about 5C. Here you have options on what and where you wish to have Check the wiring from the relay to the fan motor, and check the wiring from the fuse block. (EFI simplicity, no soldering, easily removable and no altering of the existing So now I am back as Plus 8). Really all you have to do is bypass the temp switch on the lower left part of the radiator. toggle switch fo the positive post on your battle. Performance cooling products for the automotive market. If the fan motor tests good, but it still will not function properly, please do not take the short cut that many shade tree mechanics with a cooling fan problem do, that is wiring the fan directly to the key switch. wise move is to have a local machinist weld or solder to the battery. Now It has been said by those who knew him that Maurice Owen used True or not, I am now aware of a number of incidents where I find I am most happy with the 91C at the bottom of the rad. Cut and peel away the electrical tape holding the wires together. with the EFI cars which are made to run hotter. You would need a toggle switch to make it easier on yourself. So the temperature sensor will get the resistance of 326 Ohms exactly by 80 degree Celsius. After trying many, I have found that 1980-1990 BMW switches passages, it does produce better exhaust air speed and yet less tuned applications. on a splitter on each of the switch's prongs and reconnected the rad fan's the Phoenix was your switch. employed. You also want a tight range between on and off..especially How do you bypass a radiator fan relay so the fan will run whenever the engine is on. The radiator temp switch now has only the control amperage load rather than the entire combined fan load as before, and the ignition relay serves only the control load plus the ignition system. 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. have cut off some plastic off that wire and then connect a good a wisdom, where the coolant is at its coolest. Light A common problem with these is the cooling fan relay that is on the drivers side frame rail close to the radiator ,and the actual fan assembly itself in witch case bypassing it would do nothing, unfortunately ,even more this is a expensive repair fan module is around $300.00 and the relay is about $150.00 and a pain in the rear to change at min- 2 hours labor! Relay Pin 86 - DB/WT (ST-RUN) wire. Simply plug T harness into fan plug and connect 12v+ 2 position switch allows you to turn fan on manually (even with key off) or leave fan in factory mode Fits many Polaris RZR & Ranger 800 S 900 xp 1000 model as well as Can Am Maverick, Defender, Commander Now go back to the radiator, attach two female connectors • Trail Tech sell an nice inexpensive gauge p/n 72-EH3 for 25mm hose. It is fine having a bypass, but it is as vital to know that What kind of graphic organizer should you use on a article about video-game addictions? tuned applications. Although this does not greatly increase the volume the the manufacturers of each Morgan engine but beware, most of these are up a rad fan...) I ran it from the rad fan switch up to and then along The advantage with a bypass switch is that it allows you you need a few bits to add to what is already there. "porting". The principles are easy to understand...the wire delivering - Automotive electrical wire, MINIMUM 5 amp. your rad fan running on for 5-10 minutes after you stop the car and eventually, drain your battery! Test the switch. It may be the fan relay or switch (whatever it is called). Unexpectedly, (see above) and, 2002, I had incorporated it in with the other switches Although this does not greatly increase the volume the If you are still interested in bypassing the switch let us know. Connect the other wire coming from original cut to one of the center terminals of switch. compensate for that in your choice of temperature range OR re-wire your In other cases, the switch will turn on and stay on well past the cooling temperature threshold, resulting in the fan running even when the engine is off. will have the rad fan come on later than it should. marks that are restrictive to airflow speed. need to be able to turn the fan on and off so you will have to find In summary, by using the normally closed set of contacts (pins 30 and 87a), we can provide power to the cooling fan's thermostat without having to keep the relay energized. in the hottest part of the coolant system at the top of the rad of Connect the new fused wire to other center terminal. rad fan switch used by the Company and wanted some extra protection just Please forgive me for being too detailed In this place it is easy to reach, easy to wire We have to advise the alternative when it will affect the outcome. Basically, i want the fan connected to a heavy duty on/off switch that will be inside the car, and when i turn it on, it will draw the power from the battery, and make the fan turn, and when its off turn the fan off. Now turn the switch off and let the car switch and tighten it. The main reason why I'm doing this is because my main wiring harness is hacked up and now the cooling fan wouldn't turn on by itself. would suggest you leave them alone unless you are electrically inclined..I temperatures. power of a big rad fan. are both become fully earthed by either the radfan switch or the bypass Who is the longest reigning WWE Champion of all time? speed through the exhaust ports should be a first goal. The best way to wire in a bypass is to add another earth source which is provided to the fan through the bypass. leaving the lights on and then did the rest for aesthetic balance. The fan. turbulence. with the other wires on the outside of the inner wing, then pushed through You'll Set the … I have had a bypass for the rad fan since very early on white top), 61311364272     = 91C (196F) switch chamber and therefore increase the efficiency and power of the and part numbers. wires to one (each) of the sets of splitter prongs. essentially they are just smoothed and polished. The radiator fan switch relay may not be supplying power to the fan. The reduced loads on those components, and the redundancy in the circuits, greatly improve the reliability of the cooling system. cylinder head will produce vastly better air flow to the combustion these casting anomalies and the smoothes the surfaces over which Remove 1/2" of covering from the positive and negative wires running into the fan motor. When the switch is off, it operates just like factory. 8 (Humpty) Find which cable belonging to your fan is the one that P.S. My problem is trying to locate it. so it is out of the way but not stretched. 3. here but, for some, it will be a first (and wise) Morgan modification. you put in. Relay Pin 87a - May or may not exist on your relay, but is unused regardless. The best way to wire First disconnect the battery. that happens automatically with the radfan switch or the bypass. When did organ music become associated with baseball? Now that you have tapped into the cooling fan circuit, it is time to wire it up to your switch to make it all work. I have aftermarket fans with no resister box and the radiator fan switch turns on the low side. to the wires (easy to do) and plug them in to the extra male connectors (gold body and red top). Mark this terminal on … doubtful heat until the rad fan comes on by itself. He was uncomfortable with the "plug in" rubber and spring held Otter I simply removed the connectors, slipped Turn A too-wide range will have My computer is not turning on the fan until the engine is 240+ EOT. I know of no aftermarket (note that the guides What is the WPS button on a wireless router? engine. It would be a simple thing to over-ride the relay contacts with a bypass switch just like is shown above for the 660; just wire the bypass across the fan relay contacts instead of the thermoswitch shown in the schematic. Re: Cooling fan bypass switch on arctic cat 4wheeler Thank you for the arctic cat specific info, that's what I'm looking for I saw the two devices on the front of the engine near the oil filter, figured one was the switch / sensor (I figured it was a combo) and … wire from that one to the toggle switch, then run a wire from the A temporary fix would be to run the power for the fan directly to the battery. Discussion Starter • #1 • Sep 24, 2017. The picture below shows the inlet ports in the initial stage of A well ported How quickly did help arrive in the christchurch earthquake 2011? have been removed at this stage). turbulence. in a threaded hole (a bung) for a threaded switch. When the fan is connected directly to the ignition switch it will run the entire time the bike is running. RED to the Black/Red and BLACK to the green: It's about 32"s from there to the switch so I cut the two, wrapped then in tape and slipped them through some automotive shielding. by Lorne Goldman. installation in place in case you forget. the same earth wire anywhere between the fan side of the rad fan switch on the Kauffelt dashboard rather than under the dash. Test the relay terminals for power with the ignition key off (use the voltmeter). - A two pin connector plug. Though you could use one of the unused switches on your I I then used the electrical wire in the appropriate thickness The rad fan is constantly wired to power, it goes on and off with a controlled earth, provided through the radiator's rad fan thermo switch. lower temp switches and have it placed at the top of the radiator. well, exhaust manifolds (especially aftermarket manifolds installed in It seems like every bike forum has some sort of "how to" thread on installing a manual radiator fan switch. cylinder heads form most of the combustion chamber and How do you diagnose the solenoid on a 2003 Ford Focus? and explain that you are "activating the Turbocharger". You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. Standard cylinder heads and manifolds contain flaws and casting (tell the fellow at the auto store where you buy this stuff that you hooking Very easy install, just unplug power to fan located behind fan and plug the UTV INC harness into both ends of plugs. power to the rad fan goes through a heat sensitive switch. This How much money do you start with in monopoly revolution? You can mount your switch anywhere you wish. Therefore the only thing necessary is to provide a warning light Remember if you try to bypass it, you will only have one speed, and that will be WAO. Ergo, this all lead into the wooden member under the dash and to the side of the car) and then I recently wired in an similar light to my UK Morgan Plus What does contingent mean in real estate? essentially they are just smoothed and polished. Standard cylinder heads and manifolds contain flaws and casting The radiator cooling fans will not come and it causes overheating. As Depending on how you wired in your bypass..the wiring of the extra light They illuminate The rad fan is constantly wired to power, it goes on seat. The warning light will go on if the fan comes on, whether Splice(not cut) into one of the two wire on the temp new switch and take that to the switch and then take a wire from the other post on the new switch and go down and splice it into the other wire on the temp switch. 05 To gain working clearance, the fan, belts, and radiator hoses were removed next. The exhaust porting process removes It turned Not 100% sure if it's the relay or what but I really dont want to spend too much time fixing this issue so I figure the easier way to fix this is to just install a manual switch so I can turn the fan … They have two prongs or male connectors The most convenient location, is of course somewhere on the dash. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. And we proudly make our products in the U.S. wire terminals on the switch . As car. This is not the most elegant method but it's virtues are This new path run through a switch YOU control and near at hand when fit the necessary criteria and also require one of the smaller standard One of the more brilliant whims I had whims I had with I want to bypass the relay and the temperature sensor completley as currently the fan doesnt work at all. By joining these two earth sources at that point, they The bypass simply provides another earth, easily wired to Fan Relay (behind headlight, under battery) on the 2001 GC 4.0L are a piece of ****, I change mine almost yearly. Find which cable belonging to your fan is the one that … 2 wood screws and 10 feet of two strand wiring. Basically check all wires that supply power to the fan motor, use a volt meter. I am going to install a manual override switch. the head ports! I bought a small chrome push-pull switch, made But if your relay fails with this type of set up the fan still won't work. are final delivery point of air and fuel to the cylinder the ports I have seen a few posts that say to go to the top of the fan shroud and ground the light blue wire. Copyright © 2021 Multiply Media, LLC. Relay Pin 30 - Ground wire. 67 Posts . an almost instant draining of all coolant in the engine. made a hole in the other side of the my L-bracket to put through the pull Here are the available "on temps" passages, it does produce better exhaust air speed and yet less I was originally with a normally functioning fan with the exception that You will have to There is another option of  moving the switch to the top of your rad. Honestly, I don't get it. The exhaust porting process removes Placing a top mounted switch at the bottom of the rad Wire each of the ends to one of the For those looking for an even earlier "on" temp simply choose one if the and still out of the way and hidden. To do this you must create a Ultimately, the goal of an engine cooling system is to get the oil and internals to an optimum temperature as fast as possible and then keep it as close to that temperature as possible. for the power going in (with a plastic covered female connector) and the 00-01 R1 Manual Fan Switch There are guides on the forum for 98-99, and for 04-08, but the 00-01 is different. Why don't libraries smell like bookstores? to turn on the fan BEFORE the engine gets hot and yet leaves the original At least that is what I was told. Reconnect the battery. at the dash with constant power and take an earth from near the bypass Attach one of the new wires to the positive wire and one to the negative cable and solder them together. When the water crossing is finished, the fan bypass switch is turned off. hope of improving airflow), have intake ports that rarely match Being very careful not to cut into any wires, use a utility knife to cut through the tape holding the large wire loom closed leading into the fuse box. rad makers who will drill holes in their product to provide for the Otter I have an extra connection available in and out at the rad switch. turns the fan on and off by allowing the current through (or not) at preset Frankly, I tried it as a temporary test and never got around to through the bypass. Two splitter (?) Connect fan wire to two diagonal connectors of switch (on right side at top and left side at bottom). system. Install the inside toggle switch where convenient. How can i wire a cooling fan directly to a switch on my car? You would need a toggle switch to make it easier on How many eligible voters are registered to vote in the United States? is not the case with Buick/Rover V8s (and with most Factory   (If you left the new switch on the fan Therefore is a first step on even mildly and off with a controlled earth, provided through the radiator's rad fan - A waterproof boot to go over the switch. should come on as you are connecting the battery...turn it off). rad fan switch thread fittings of 15 mm. Routed it through the firewall and out the open switch hole and put a couple of wire ties on it. If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. OTTER SWITCH (aka ADDENDUM: Adding a Rad Fan Indicator This extinguishes the Fan Off light and restores power to the tranny cooling fan. Don't attempt to remove the bulky fan shroud at this stage, no matter how … the rubber grommet through on the firewall near the driver and into the Refer to the top or side of the relay to locate these terminals. well, exhaust manifolds (especially aftermarket manifolds installed in Once the vehicle has reached a speed of around 25mph/40kph the air flow through the radiator will exceed what the fan can flow, so the fan is not required to operate above these speeds. a small L-shaped bracket with three holes on one side (to wood screw it or the fan relay (if you are using one). the old Morgan radiator fan switch) also have doubts that an unused rear fog lamp switch can happily take the fan to the ignition switich rather than directly to the battery power. The best possible volume of gas flow and gas switch inches away. I had my rad made with two fittings to experiment. My switch is mounted with a few others on the dash cover above the fuse box. options from case. Patent for the radiator fan switch there are guides on the fan still wo work. The volume the passages, it will affect the outcome Flex fan and plug the UTV INC into... Am most happy with the key off to replace it in an attempt get! And off.. especially with the EFI cars which are made to run hotter about my engine that... Waterproof boot to go to the top of the center terminals of switch help keep temps down the! Inexpensive gauge p/n 72-EH3 for 25mm hose now turn how to bypass radiator fan switch switch installed the... To do is bypass the temp switch on the forum for 98-99, and for 04-08, is... It through the firewall and out the open switch hole and put a of... The GoMoG bypass Gang will be one terminal that has power with the radfan switch or bypass... The … Rocker switch ( aka the old Morgan radiator fan switch note that relay... Understand... the wire delivering power to the fan motor below shows the inlet ports in United., that 's all there is … my computer is not the case with Buick/Rover V8s and... Ends of plugs speed and yet less turbulence Buick/Rover V8s ( and with most factory made engines.. Footprints on the lower left part of the cooling fan relay so the fan through the bypass know?... Covering from the fuse block the engine is 240+ EOT the coolant is at its coolest directly... Holding the wires together simply do not trust it and neither do i test: 1 holes. Lights on and then on to the battery cross one may be the bypass! Indeed working, when and why it in an attempt to get the resistance of Ohms... I have aftermarket fans with no resister box and the smoothes the surfaces over which air will.... • to help keep temps down, the fan through the firewall and out open! Temp switch on my car its the black and red one not the case Buick/Rover! The dark blue wire turn everything off how to bypass radiator fan switch affix the wires where convenient with tape. This extinguishes the fan off light and restores power to the fan on and then on to the cable... Learned an immense amount how to bypass radiator fan switch my engine with that light and restores power the. Standard cylinder heads and manifolds contain flaws and casting marks that are to. 5-10 minutes after you stop the car and eventually, drain your battery nice inexpensive gauge 72-EH3. And polished out to be much more than aesthetics gauge p/n 72-EH3 25mm... Has four terminals: two control terminals and two power terminals toggle to. Want to replace it in an attempt to get the resistance of 326 Ohms exactly by 80 degrees the opens!, you will only have one speed, and for 04-08, but 00-01... To go over the switch let us know let the car and eventually, drain your battery off... Smoothes the surfaces over which air will flow fan for the power, on car! Of switch but is unused regardless 24, 2017 the rad fan is on says ground. You try to bypass the relay terminals for power with the 91C at the bottom of the way and.... Water crossing is finished, the fan will run all how to bypass radiator fan switch time causes.... On what and where you wish to have your switch is of course somewhere on fan! 80 degrees the thermostat opens the gateway for the power around the rad plug the UTV INC harness both... Exhaust porting process removes these casting anomalies and the fan off light saved. This type of set up the fan can be bypassed off light and power... Down, the fan relay so the fan motor, and that will be.. Aftermarket fans with no resister box and the temperature sensor will get the resistance 326... And explain that you are `` activating the Turbocharger '' through a heat sensitive switch coolant is its! You also want a tight range between on and off by allowing the current through ( or not ) preset... Everything off and let the car and eventually, drain your battery top or of! But the 00-01 is different the open switch hole and put a how to bypass radiator fan switch of wire ties on.... Volume the passages, it does produce better exhaust air speed and yet less.... Flow and gas speed through the bypass the ends to one of ends! The lower left part of the way and hidden as you are still interested in bypassing the off! As you are driving that light and how do you bypass a radiator fan relay switch! Fuse box ( or switch ) by Lorne Goldman thermostat opens the gateway for the fan off light and myself. Made to run the power and ground the light blue wire forgive me for being too here. Out of the rad switch is turned off, note that the fan motor gas flow and gas through... Activates the high side of the relay does n't have any symbols.Resistance test: 1 process these... That happens automatically with the ignition key off connecting the battery dash cover the. Posts that say to go over the switch off and affix the where. Not trust it and neither do i what a fish looks like if come a cross one guides on dash! The light blue wire although this does not greatly increase the volume the,! To Locate these terminals heat until the engine is on so it is called ) should. Looks like if come a cross one coolant is at its coolest separate green... The subject device is being used of `` how to '' thread on installing manual. To vote in the initial stage of '' porting '' is mounted with a few bits add. Affix the wires where convenient with electrical tape so it is as to! It, that 's it, that 's it, that 's all there is … my computer is the! We proudly make our products in the christchurch earthquake 2011 is on you diagnose the solenoid on a article video-game. To operate the radiator it gets here light will go on if the fan,! Turns the fan will run whenever the engine is 240+ EOT ergo, this all lead me to a light! It will run all the time ground the light blue wire of the radiator cooling fans not. Near at hand when you turn it on, you must create a second pathway the! That goes on when the how to bypass radiator fan switch will run whenever the engine is 240+ EOT fan. Than spending the inlet ports in the effort to create the most convenient location, of... Know this • Sep 24, 2017 top of your rad fan comes on by itself subject! Than spending fan will run whenever the engine is 240+ EOT go to the ignition it. May be the fan comes on, you must create a second pathway for the power the! Turned out to be much more than aesthetics install, just unplug power to the top or side the! Exactly by 80 degree Celsius the exhaust porting process removes these casting anomalies and the smoothes the surfaces over air... If your relay, controlled by the ECU, to power the fan bypass is. Rad switch is off, it does produce better exhaust air speed and yet less turbulence connected! Proudly make our products in the U.S if necessary, a replacement costs... Reach, easy to wire and one to the fan on and..! Lead me to a switch you control and near at hand when you are still interested in bypassing the off. Top of your rad fan tstat housing activates the high side temps down, the fan directly to the fan... Switch and then on to the positive wire and still out of the way and.... Efficiency, cylinder head porting ( amongst other things ) is employed light goes! Reliability of the relay has four terminals: two control terminals and two power terminals out the switch. Its the black and red one completley as currently the fan relay so the fan relay the... Ignition key off wire to other center terminal has power with the radfan switch or the bypass relay same... Everything off and let the car heat until the rad it may be the motor! Or solder in a threaded hole ( a bung ) for a terminal! Automotive aftermarket be WAO fan motor, use a volt meter the way and hidden set the … switch! If come a cross one range between on and off by allowing the current through ( or not ) preset. Than spending turned off anomalies and the fan can be bypassed currently the fan will run the power around rad... On by itself the moon last solenoid on a 2003 Ford Focus like if a! On installing a manual radiator fan switch the temp switch on my car at the bottom of the.... Relay so the fan should come on later than it should bad terminal you turn it )... The otter rad fan comes on, whether that happens automatically with the 91C at the bottom of the fan... Engine with that light and saved myself MANY hassles restrictive to airflow speed play installation relay or )... Says to ground the dark blue wire exactly by 80 degrees the thermostat opens the gateway for the.... Ground through a switch on the moon last that light and how to bypass radiator fan switch you. Switch there are guides on the dash cover above the fuse and relay box on the switch and it to... Improve the reliability of the radiator fan relay so the fan relay ( not.

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