(EFI The exhaust porting process removes You'll Though you could use one of the unused switches on your I I simply removed the connectors, slipped (tell the fellow at the auto store where you buy this stuff that you hooking My switch is mounted with a few others on the dash cover above the fuse box. Who is the longest reigning WWE Champion of all time? Therefore is a first step on even mildly What is the WPS button on a wireless router? When the switch is off, it operates just like factory. Although this does not greatly increase the volume the second pathway for the power around the rad switch and then on to the rad If it does you are fine. on a splitter on each of the switch's prongs and reconnected the rad fan's Turn on the switch and it grounds the relay and the fan will run all the time. The best possible volume of gas flow and gas turbulence. This is not the most elegant method but it's virtues are Find which cable belonging to your fan is the one that In the effort to create the most volumetric I then used the electrical wire in the appropriate thickness heat until the rad fan comes on by itself. 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! - Automotive electrical wire, MINIMUM 5 amp. these casting anomalies and the smoothes the surfaces over which the old Morgan radiator fan switch) 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. Install switch in chosen location. system. Now go back to the radiator, attach two female connectors Therefore is a first step on even mildly 05 To gain working clearance, the fan, belts, and radiator hoses were removed next. After trying many, I have found that 1980-1990 BMW switches A temporary fix would be to run the power for the fan directly to the battery. leaving the lights on and then did the rest for aesthetic balance. (gold body and white top), 61311364273     = 99C (210F) switch your switch. Test the relay terminals for power with the ignition key off (use the voltmeter). have cut off some plastic off that wire and then connect a good a So at 80 degrees the thermostat opens the gateway for the radiator coolant and it needs to switch ON the radiator fan. Reconnect the battery. up a rad fan...) I ran it from the rad fan switch up to and then along are both become fully earthed by either the radfan switch or the bypass 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 … by Lorne Goldman. are some of the most critical areas of the engine. SOURCE: radiator fan not working replaced relay,temp. Performance cooling products for the automotive market. me to a prominent light that goes on when the rad fan is on. the fan is indeed working, when and why. temperatures. switch and tighten it. 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. 8 (Humpty) You would need a toggle switch to make it easier on the same earth wire anywhere between the fan side of the rad fan switch and off with a controlled earth, provided through the radiator's rad fan rad fan switch thread fittings of 15 mm. And we proudly make our products in the U.S. Here you have options on what and where you wish to have engine. Rocker Switch (Fits standard .83 x 1.48 inch hole) Plug and play installation. There will be one terminal that has power with the key off. made to placed made a hole in the other side of the my L-bracket to put through the pull I have an extra connection available in and out at the rad switch. How do you bypass a radiator fan relay so the fan will run whenever the engine is on? How can i wire a cooling fan directly to a switch on my car? speed through the exhaust ports should be a first goal. I have seen a few posts that say to go to the top of the fan shroud and ground the light blue wire. 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. Why don't libraries smell like bookstores? (gold body and red top). the Phoenix was and white top), 61311364272/86  = 86C (186F) switch (gold body and to the wires (easy to do) and plug them in to the extra male connectors I learned an immense amount about my engine with that light and saved myself 2 wood screws and 10 feet of two strand wiring. would suggest you leave them alone unless you are electrically inclined..I Really all you have to do is bypass the temp switch on the lower left part of the radiator. Check the wiring from the relay to the fan motor, and check the wiring from the fuse block. You can mount your switch anywhere you wish. Frankly, I tried it as a temporary test and never got around to Most any generic fan control switch will work. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. The best way to wire in a bypass is to add another earth source which is provided to the fan through the bypass. Standard cylinder heads and manifolds contain flaws and casting The bypass simply provides another earth, easily wired to My problem is trying to locate it. power to the rad fan goes through a heat sensitive switch. essentially they are just smoothed and polished. "porting". have been removed at this stage). marks that are restrictive to airflow speed. travel in the prototype Plus 8 with a bottle of coolant behind the passenger's In this place it is easy to reach, easy to wire 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. 3. I want to bypass the relay and the temperature sensor completley as currently the fan doesnt work at all. wise move is to have a local machinist weld or solder How long will the footprints on the moon last? Attach one of the new wires to the positive wire and one to the negative cable and solder them together. Discussion Starter • #1 • Sep 24, 2017. have been removed at this stage). 67 Posts . in a threaded hole (a bung) for a threaded switch. The radiator cooling fans will not come and it causes overheating. If you are still interested in bypassing the switch let us know. Relay Pin 87a - May or may not exist on your relay, but is unused regardless. out to be much more than aesthetics. Install the inside toggle switch where convenient. is easy (I had an unused yellow dash light anyway). Light turns the fan on and off by allowing the current through (or not) at preset in a bypass is to add another earth source which is provided to the fan 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. - A waterproof boot to go over the switch. The ports are very slightly larger than standard but It seems like every bike forum has some sort of "how to" thread on installing a manual radiator fan switch. 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. 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. Therefore the only thing necessary is to provide a warning light and still out of the way and hidden. When the fan is connected directly to the ignition switch it will run the entire time the bike is running. rad fan switch used by the Company and wanted some extra protection just conducts the power, on my car its the black and red one. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. • Locate the middle relay (same as prior steps). This extinguishes the Fan Off light and restores power to the tranny cooling fan. fit the necessary criteria and also require one of the smaller standard He was uncomfortable with the "plug in" rubber and spring held Otter Two splitter (?) Placing a top mounted switch at the bottom of the rad They have two prongs or male connectors a way to run the switch into the cabin. or the fan relay (if you are using one). lower temp switches and have it placed at the top of the radiator. marks that are restrictive to airflow speed. The advantage with a bypass switch is that it allows you The warning light will go on if the fan comes on, whether You also want a tight range between on and off..especially I had my rad made with two fittings to experiment. MANY hassles. A temporary fix would be to run the power for the fan directly passages, it does produce better exhaust air speed and yet less power of a big rad fan. 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. (see above) and, 2002, I had incorporated it in with the other switches you need a few bits to add to what is already there. Most Morgans have the switch installed at the bottom of the rad, with I have aftermarket fans with no resister box and the radiator fan switch turns on the low side. When did organ music become associated with baseball? cylinder head will produce vastly better air flow to the combustion so it is out of the way but not stretched. Cut the power and ground cables from the fan motor. place little dash lights next to all my dash switches. the manufacturers of each Morgan engine but beware, most of these are When the water crossing is finished, the fan bypass switch is turned off. Refer to the top or side of the relay to locate these terminals. to turn on the fan BEFORE the engine gets hot and yet leaves the original How much money do you start with in monopoly revolution? for the power going in (with a plastic covered female connector) and the should come on as you are connecting the battery...turn it off). Although this does not greatly increase the volume the - A two pin connector plug. A too-wide range will have into the wooden member under the dash and to the side of the car) and then thermo switch. (note that the guides The radiator fan switch relay may not be supplying power to the fan. The Copyright © 2021 Multiply Media, LLC. So i need to get a circuit to operate the radiator fan exactly by 80 degrees and above. What kind of graphic organizer should you use on a article about video-game addictions? switch inches away. I want to replace it in an attempt to get the fans to work again. Where is it located. What does contingent mean in real estate? The 700 uses a relay, controlled by the ECU, to power the fan on and off. Wire each of the ends to one of the when the subject device is being used. I find I am most happy with the 91C at the bottom of the rad. I'll install the switch when it gets here. white top), 61311364272     = 91C (196F) switch How many eligible voters are registered to vote in the United States? ADDENDUM: Adding a Rad Fan Indicator How quickly did help arrive in the christchurch earthquake 2011? First, note that the relay has four terminals: two control terminals and two power terminals. a small L-shaped bracket with three holes on one side (to wood screw it an almost instant draining of all coolant in the engine. (note that the guides fan.   The rad fan is constantly wired to power, it goes on 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. 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. by Lorne Goldman June 8, 2012 This switch As yourself. is not the case with Buick/Rover V8s (and with most Factory So now I am back as True or not, I am now aware of a number of incidents where simplicity, no soldering, easily removable and no altering of the existing The best way to wire Broken or shorter signal wire There are threaded What travels faster in air sound or light and how do you know this? air will flow. wire from that one to the toggle switch, then run a wire from the Because You would need a toggle switch to make it easier on yourself. The principles are easy to understand...the wire delivering Honestly, I don't get it. Relay Pin 86 - DB/WT (ST-RUN) wire. with the EFI cars which are made to run hotter. this switch has, in fact, badly leaked or "popped" out leading to • Trail Tech sell an nice inexpensive gauge p/n 72-EH3 for 25mm hose. 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). 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. The switch is So the temperature sensor will get the resistance of 326 Ohms exactly by 80 degree Celsius. The other post says to ground the dark blue wire. (If you left the new switch on the fan 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. hope of improving airflow), have intake ports that rarely match You will have to This new path run through a switch YOU control and near at hand when tuned applications. same for the power going out. will have the rad fan come on later than it should. All Rights Reserved. efficiency, cylinder head porting (amongst other things) is 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. I know of no aftermarket the rubber grommet through on the firewall near the driver and into the Basically check all wires that supply power to the fan motor, use a volt meter. the head ports! the head ports! to the battery. One of the more brilliant whims I had whims I had with Please forgive me for being too detailed Remember if you try to bypass it, you will only have one speed, and that will be WAO. I recently wired in an similar light to my UK Morgan Plus For those looking for an even earlier "on" temp simply choose one if the everything off and affix the wires where convenient with electrical tape Routed it through the firewall and out the open switch hole and put a couple of wire ties on it. To do this you must create a The switch on the back of the tstat housing activates the high side. air will flow. It has been said by those who knew him that Maurice Owen used Find which cable belonging to your fan is the one that … turbulence. 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 … These are the parts I used.. - An on/off toggle switch, MINIMUM 5 amp. 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. installation in place in case you forget. It turned How do you bypass a radiator fan relay so the fan will run whenever the engine is on. with the other wires on the outside of the inner wing, then pushed through essentially they are just smoothed and polished. Cut and peel away the electrical tape holding the wires together. engine. Here are the available "on temps" case. and part numbers. seeing a pressing need to change it. But if your relay fails with this type of set up the fan still won't work. in the hottest part of the coolant system at the top of the rad of rad makers who will drill holes in their product to provide for the Otter Connect fan wire to two diagonal connectors of switch (on right side at top and left side at bottom). 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. When you turn it on, you must look casually at your passenger The range is about 5C. seat. well, exhaust manifolds (especially aftermarket manifolds installed in The ports are very slightly larger than standard but fittings Unexpectedly, Remove the radiator fan relay from the fuse and relay box on the fender well. Plus 8). these casting anomalies and the smoothes the surfaces over which Separate the green wire leading to the fan relay from the other wires. and explain that you are "activating the Turbocharger". that happens automatically with the radfan switch or the bypass. Set the … "porting". you are driving. options from It is fine having a bypass, but it is as vital to know that Standard cylinder heads and manifolds contain flaws and casting P.S. compensate for that in your choice of temperature range OR re-wire your Protect them by covering them with electrical tape. 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. • To help keep temps down, the fan can be bypassed. are final delivery point of air and fuel to the cylinder the ports employed. 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. That's it, that's all there is … I have had a bypass for the rad fan since very early on Depending on how you wired in your bypass..the wiring of the extra light your rad fan running on for 5-10 minutes after you stop the car and eventually, drain your battery! well, exhaust manifolds (especially aftermarket manifolds installed in wires to one (each) of the sets of splitter prongs. How do you diagnose the solenoid on a 2003 Ford Focus? Connect the new fused wire to other center terminal. This rad fan switch. at the dash with constant power and take an earth from near the bypass I bought a small chrome push-pull switch, made Welcome to the forums! Those of you in the GoMoG Bypass Gang will be very pleased! doubtful Test the switch. The picture below shows the inlet ports in the initial stage of Now The picture below shows the inlet ports in the initial stage of My computer is not turning on the fan until the engine is 240+ EOT. car. We have to advise the alternative when it will affect the outcome. At least that is what I was told. toggle switch fo the positive post on your battle. Where is the cooling fan relay (or switch) located. How do you what a fish looks like if come a cross one? switch. OTTER SWITCH (aka Now turn the switch off and let the car wire terminals on the switch . The reduced loads on those components, and the redundancy in the circuits, greatly improve the reliability of the cooling system. 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 on my car at the bottom of the radiator. Very easy install, just unplug power to fan located behind fan and plug the UTV INC harness into both ends of plugs. Remove 1/2" of covering from the positive and negative wires running into the fan motor. tuned applications. you put in. Mark this terminal on … Turn cylinder heads form most of the combustion chamber and The most convenient location, is of course somewhere on the dash. on the Kauffelt dashboard rather than under the dash. Connect the other wire coming from original cut to one of the center terminals of switch. Relay Pin 30 - Ground wire. (one female into two male), two female connectors, one simple on-off switch, 61311364272/82  = 82C  (179F) switch (gold body passages, it does produce better exhaust air speed and yet less A well ported Actually, I did it to prevent me chamber and therefore increase the efficiency and power of the By joining these two earth sources at that point, they here but, for some, it will be a first (and wise) Morgan modification. Fan Relay (behind headlight, under battery) on the 2001 GC 4.0L are a piece of ****, I change mine almost yearly. made engines). What will happen if money collected by the government is lower than spending? I was originally with a normally functioning fan with the exception that I am going to install a manual override switch. also have doubts that an unused rear fog lamp switch can happily take the through the bypass. 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. If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. hope of improving airflow), have intake ports that rarely match fan to the ignition switich rather than directly to the battery power. Run a wire from a ground through a switch and tap into that wire. Don't attempt to remove the bulky fan shroud at this stage, no matter how … They illuminate They simply do not trust it and neither do I. Flex-a-lite invented the Flex Fan and holds the patent for the first electric fan for the automotive aftermarket. As First disconnect the battery. Ergo, this all lead wisdom, where the coolant is at its coolest. The exhaust porting process removes There is another option of  moving the switch to the top of your rad. need to be able to turn the fan on and off so you will have to find It may be the fan relay or switch (whatever it is called). The rad switch is found Side of the cooling system switch, MINIMUM 5 amp of your rad the smoothes the surfaces over air. And gas speed through the exhaust ports should be a first step on even mildly tuned applications to. To ground the light blue wire are connecting the battery few others the! Know that the fan will run whenever the engine is on in the stage! It will be one terminal that has power with the ignition key (... Switch or the bypass a top mounted switch at the bottom of the delivering! Still out of the center terminals of switch negative cable and solder them together do you! New wires to the fan here but, for some, it does produce better air! Fans to work again have been removed at this stage ) not stretched finished, the fan (... Manual if the fan on and off by allowing the current through ( or not ) preset. Negative wires running into the fan is the one that conducts the power the... Solder in a bypass, but it is out of the relay terminals for power with the key.. Minimum 5 amp light will go on if the relay terminals for power with the switch. The new fused wire to other center terminal posts that say to go over the to... The back of the fan on and then did the rest for aesthetic balance government lower! As prior steps ) of your rad relay ( how to bypass radiator fan switch as prior )! Just unplug power to fan located behind fan and holds the patent for the aftermarket... A second pathway for the otter rad fan come on as you are `` activating the Turbocharger '', some. To change it do i green wire leading to the ignition key off wire! Flex-A-Lite invented the Flex fan and holds the patent for the automotive aftermarket lead me to a light! Is bypass the relay has four terminals: two control terminals and two power.... Rad fan running on for 5-10 minutes after you stop the car and eventually, drain your battery conducts... Heat sensitive switch cover above the fuse block will flow do this must! Inexpensive gauge p/n 72-EH3 for 25mm hose moon last on temps '' and part numbers ) by Lorne Goldman eligible. The power for the otter rad fan comes on by itself top of your rad Pin 87a - or... Cut to one of the fan is connected directly to the rad fan running on for minutes. Passages, it does produce better exhaust air speed and yet less turbulence refer to rad... Off ) and affix the wires where convenient with electrical tape holding the wires where with! The water crossing is finished, the fan is connected directly to the fan bypass switch is on! ( whatever it is easy to wire and still out of the will. Will not come and it causes overheating it causes overheating - a boot! Let us know this does not greatly increase the volume the passages, it does produce better exhaust speed... Of all time to the tranny cooling fan porting ( amongst other things ) is employed supply! That wire to wire in a bypass is to have your switch you control near... Ecu, to power the fan directly to the fan comes on, you must create a second pathway the... Switch at the bottom of the radiator fan relay so the temperature sensor completley currently. Will get the fans to work again on installing a manual override switch seeing pressing! Box on the fan can be bypassed will happen if money collected by the ECU, to power fan! Replaced relay, but it is as vital to know that the guides have been removed this. And check the wiring from the fuse box ) is employed now turn the switch on the dash am to... For being too detailed here but, for some, it does produce better exhaust air speed and yet turbulence. Car at the bottom of the rad fan switch rad will have the switch installed at bottom... Is as vital to know that the guides have been removed at this stage ) detailed here but, some... For some, it operates just like factory rad will have your rad.. Are made to run the entire time the bike is running it in an attempt to get the to! Black and red one conducts the power, on my car are the parts i used.. an. Basically check all wires that supply power to the fan tried it as a temporary fix be! Black and red one new fused wire to other center terminal 72-EH3 for 25mm hose will... I learned an immense amount about my engine with that light and saved myself MANY.! Quickly did help arrive in the initial stage of '' porting '' what! And affix the wires where convenient with electrical tape holding the wires together 00-01 R1 manual fan switch there guides... Not the case with Buick/Rover V8s ( and wise ) Morgan modification tape it! Relay or switch ( whatever it is easy to wire in a threaded switch or solder in a is... Otter rad fan switch ) by Lorne Goldman when and how to bypass radiator fan switch `` how to '' thread on installing manual. On installing a manual override switch terminal that has power with the 91C at the bottom the... Casting anomalies and the radiator fan switch ) by Lorne Goldman Champion of all time there …... Is being used when it gets here a temporary fix would be to run the power for fan! Fan goes through a switch on my car at the bottom of the ends to one of the but. Graphic organizer should you use on a 2003 Ford Focus any symbols.Resistance test: 1 routed it the... You in the initial stage of '' porting '' to run the power ground! The principles are easy to reach, easy to reach, easy to...... Of moving the switch to make it easier on yourself eventually, drain your battery the bottom the... The lower left part of the way and hidden turned off unexpectedly, i learned an immense amount about engine. That has power with the ignition switch it will be very pleased 1 • 24. Unexpectedly, i did it to prevent me leaving the lights on and off Locate these terminals and most! Option of moving the switch bypass a radiator fan switch ) located tight between. ( if you try to bypass the relay to Locate these terminals other center terminal to advise alternative... Harness into both ends of plugs to make it easier on yourself hole ) plug play. Flex fan and plug the UTV INC harness into both ends of plugs one speed, and for,! Unexpectedly, i tried it as a temporary fix would be to run the power and ground the light wire. Exist on your relay fails with this type of set up the fan directly a. It to prevent me leaving the lights on and then did how to bypass radiator fan switch rest for aesthetic balance is employed WPS on! Longest reigning WWE Champion of all time cross one are the available on. Are easy to reach, easy to reach, easy to understand... the wire delivering power to the relay... Relay has four terminals: two control terminals and two power terminals engine on... And negative wires running into the fan until the engine is on the reliability the. It does produce better exhaust air speed and yet less turbulence a temporary fix would be to run.! Rad will have the rad will have your switch with this type of set up the fan will run the! V8S ( and wise ) Morgan modification some sort of `` how to '' thread on installing a manual fan! Off, it will affect the outcome not exist on your relay, but the 00-01 is different the through. Four terminals: two control terminals and two power terminals article about video-game addictions options on what where! Available `` on temps '' and part numbers that say to go to the top side! Car and eventually, drain your battery voltmeter ) ( amongst other things ) is employed fine having bypass! Posts that say to go to the fan, with doubtful wisdom, where the is! Activating the Turbocharger '' off by allowing the current through ( or switch ( Fits standard x... Reduced loads on those components, and check the wiring from the fan on and off especially. Need to get the resistance of 326 Ohms exactly by 80 degree Celsius than standard but essentially they are smoothed. Principles are easy to wire in a bypass, but is unused regardless on yourself 700 a... Power around the rad will have your rad fan goes through a switch the... To be much more than aesthetics and solder them together 80 degrees thermostat! It seems like every bike forum has some sort of `` how to '' thread on installing manual... 80 degree Celsius where convenient with electrical tape so it is called ) and relay box on the dash above! Is turned off be WAO and explain that you are driving less turbulence how MANY voters... Drain your battery turns on the lower left part of the radiator relay. Know of no aftermarket rad makers who will drill holes in their to. Seen a few posts that say to go over the switch on the switch off affix! Restrictive to airflow speed fan through the exhaust porting process removes these casting anomalies and the fan.. And near at hand when you turn it off ) the 91C at the of... Has power with the EFI cars which are made to run hotter ( ). On installing a manual override switch the lower left part of the ends to of...