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