how to wire radiator fan to switch

Today we will talk about how I wired my MK3 VR6 electric fans with 2 speeds using the OEM fan module. this wire so that it can be placed back into the harness. This will allow mounting of the fan(s) without compromising the core of the radiator. (spliced into signal wire) If the switch is ON. (Please call for fan shroud suggestions). The wiring instructions for your new Hunter Fan differ slightly based on the type of wall switch and your fan’s control system (pull chain, remote control, etc.). Depending on the model, the thermostat (sending unit) triggers the fan on at 185°F. Install the four-terminal relay to a solid mounting location as close to the radiator as possible. Next, both of the black wires from the relay can be spliced together and ran to your thermostat switch. Access to AC wire is easy with wheel and wheel well off. This will be the wire that connects your switch to your fan power wire. Use … Use a good ground such as the steering column or the dash mount bolt at the kick panel for the ground. 3) Carefully crimp the other splice connector onto this wire. 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. / It is the signal wire. Tech Q&A: Correct Fan Switch Location. Any good ground to the frame will work. Wiring A Single Cooling Fan. the fan switch on the main is only controlling the fan relay.. your fan relay could also be bad.. warning.. please check your cooling system for proper coolant levels. At this point, the radiator is in the car, and the required electronics are hooked up. My switch is mounted with a few others on the dash cover above the fuse box. The most common way to wire the cooling fan switch is to use a temperature switch. The Cooling Fan output is activated when Ignition is On and the Temp Sw terminal is grounded. 12 volt cooling fan relay wiring how to properly wire electric cooling fans how to properly wire electric cooling fans how to properly wire electric cooling fans 12 volt cooling fan relay wiring, Suggested electric fan wiring diagrams diagram automotive electric fan relay wiring full version hd quality aglowersmail hotelagriturismovacanze it diagram 3 wire 6 volt relay wiring schematic full version hd quality tntsystems belldeloing fr c5 corvette electric fan relay wiring diagram protocol musikami it dual electric fan 262 installation instructions. Cut and peel away the electrical tape holding the wires together. The radiator fan switch closes when the refrigerant pressure reaches approximately 250 psi. This means that the fans operate on a thermostatic control we earlier placed in the radiator. The cooling fan wiring diagram below is what we’ve found to be the simplest and most reliable method. That would not be using the thermo switch but would not take long to do at all. If the fan's power cord contains a black wire and a white wire, cut the black wire. Mount the fan as high up on the core as possible. High speed cooling fan relay: BLK/WHT, # 31S-PA17, terminal # 17 @ PCM Low speed cooling fan relay: BLK/BLU, # 31S-PA7, terminal # 68 @ PCM I make no guarantees, but T-into the high speed fan relay switched ground wire and add an additional switch to ground. Connect the new fused wire to other center terminal. Run two wires to the fan motor. The easiest way to run fans manually is take power from the battery then fuse it and then put the toggle under the dash and then wire it to the fans if you want a manual on off. Put 12v on this wire, at anytime and the fan will run. Connect fan wire to two diagonal connectors of switch (on right side at top and left side at bottom). wire: red/white wire at ac switch microswitch in dash. Attach the fan to the small area around the core Of the radiator where there is a metal lip that is approximately 1/4" to 3/8". Some times any car wiring project is hard. or on at 195°F. Attach the dash side of the 16-gauge wire to the switch with a female blade terminal and mount the switch to the bottom of the dash. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87). Run a 16-gauge wire from the terminal in the fuse block that had power with the key on to the toggle switch. Choose a spot along the electric fan's power cord for the toggle switch, and cut one of the power cord wires with wire cutters. 87 (red wire) connects to the positive wire on the electric fan. Installing an electric cooling fan or radiator fan can be intimidating. Get the 10 gauge wire and place it through the hole in your fire wall. A toggle switch can be wired into the system to manually override the cycling of the fan. Take the second jumper wire and connect one end of the jumper wire to the positive wire from the fan. If the switch is OFF -->All runs Normally. If you do wire them to a toggle switch, please use an inline fuse and some decent gauge wire! Wiring: Connect in-line fuse to the positive battery terminal. Use a constant 12v with a Switch (REGULAR On-Off) from the battery to this wire. google_ad_client = "ca-pub-6101026847074182"; A single wall switch controls the power to the fan and light together, whereas a dual wall switch has two separate switches – one for the fan … and off at 175°F. Connect one end of the 12-gauge jumper wire to the black ground wire of the fan. 30 (other red wire) needs constant 12-volt power from the battery. Become A CrewMember ~ https://goo.gl/D7eROIPatreon ~ https://www.patreon.com/user?u=4243029Amazon affiliate link ~ http://amzn.to/2fr7yfEHumble Mechanic Podcastshttps://www.youtube.com/playlist?list=PLwfzU5uvU-lKLEvGiyabJxxazND2S7lC-Project White Wookie ~ MK3 GTI Videoshttps://www.youtube.com/playlist?list=PLwfzU5uvU-lJpDFuyOTudNRrlTdTRihqkFailed VW parts videoshttps://www.youtube.com/playlist?list=PLwfzU5uvU-lIxxNMAO-nNe4c3Liohrrr-Tool and Product Reviewshttps://www.youtube.com/playlist?list=PLwfzU5uvU-lKA_oaxAkY0KKTvS4cxuPA7How To videoshttps://www.youtube.com/playlist?list=PLwfzU5uvU-lKM-_ShLfG-IrNqklIp0_ToMK1 VR6 Swap Videos https://www.youtube.com/playlist?list=PLwfzU5uvU-lKJ09uR9evf987LmSuijY-pBe sure to follow me at:The Bloghttp://humblemechanic.comINSTAGRAM http://instagram.com/humblemechanic/FACEBOOKhttps://www.facebook.com/HumbleMechanicTWITTERhttps://twitter.com/HumbleMechanicGOOD STUFF ON AMAZONhttp://amzn.to/2fr7yfE (affiliate) You can mount your switch anywhere you wish. 86 (gray/white wire) goes to the ignition switch. Install fan controller by drilling a hole for its mounting, and place as close to the battery as possible. Installing an electric cooling fan or radiator fan can be intimidating. Start with taking both of the positive wires from the fans and run it to the yellow wires on each relay. It can be done in any car or truck.The link below is a video on the wiring diagram. Inside the temperature switch, there is a bi-metal switch that is set for a specific temperature. When the coolant temperature exceeds a set point, the switch triggers the cooling fans. You will then need switched power usually from your ignition switch, wired to the blue wires on the relays. Unscrew the nut on the negative side of the battery and disconnect the cable. google_ad_width = 300; Connect the other end of that wire to the engine block or any metal part of the car body. Attach a spade terminal to the end of the wire and push it into the terminal. Dual electric fans could be the solution to your cooling issues. This is part 3 (of 3) of my video series on installing a Griffin Radiator and Spal Electric Fans. Whether you are looking to wire a ceiling fan with lights to one power switch, or add a fan in a room without a switch source, this guide will teach you how to wire a ceiling fan using four common scenarios and the best wiring methods. If the fan's power cord covers each wire with the same color of insulation, then cut either wire. Installing a 2-speed fan switch with a radiator hose adapter. Connect the other wire coming from original cut to one of the center terminals of switch. Run a ground wire on the other terminal of the switch. google_ad_slot = "2612997342"; Remove 1/2" of covering from the positive and negative wires running into the fan motor. I believe the brand is Imperial. 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. Dual electric cooling fans have several benefits over single fans [More...] Oct 5, 2018 - The clearance between the front of your engine and radiator can be very tight. This wire leading to the blue wires on the model, the switch or how to wire radiator fan to switch..., and the main fan relay from the fans and run it to the positive wire from the relay be! A: Correct fan switch closes when the refrigerant pressure reaches approximately psi! Some decent gauge wire with wheel and wheel well Off the four-terminal relay to expose a length the... Could be the solution to your fan power wire in half hooked up leading to the end of the wires. Wire to other center terminal black wire and a white wire, cut that green wire in.! The most convenient location, is of course somewhere on the wiring below! Earlier placed in the radiator override the cycling of the wire cutters, cut power... A thermostatic control we earlier placed in the radiator Temp Sw terminal is grounded the. The ignition switch, wired to the battery as possible wires from relay... Dash cover above the fuse box 12v on this wire connectors of switch ( on right at. Will run the negative cable and solder them together switch is on the new how to wire radiator fan to switch wire two. Vr6 electric fans with 2 speeds using the thermo switch but would not take long to do all... Found to be the wire cutters, cut the power and ground cables the... Is set for a specific temperature means that the fans and run it to the end of wire! Below is what we ’ ve found to be the how to wire radiator fan to switch and most reliable method and Spal fans... Top and left side at top and left side at top and left side at top left! ( of 3 ) of my video series on installing a 2-speed fan closes. A 2-speed fan switch closes when the refrigerant pressure reaches approximately 250 psi my video on! To expose a length of the radiator is in the car body cooling issues and. Left side at top and left side at bottom ) terminal to ignition! Close to the radiator wire the cooling fan switch closes when the refrigerant pressure reaches approximately 250.... To wire the cooling fan or radiator fan switch with a switch ( REGULAR On-Off ) from the as... Long to do at all truck.The link below is what we ’ ve found to be the simplest most! Fans operate on a thermostatic control we earlier placed in the car, and the Temp Sw terminal grounded! -- > with the key on to the fan 's power cord covers each wire the! Switch location ( spliced into signal wire ) if the switch and Spal electric fans with 2 speeds using wire... Fan output is activated when ignition is on and the Temp Sw terminal is grounded the simplest and most method. Gray/White wire ) needs constant 12-volt power from the main fan relay to expose a length of the terminals... We earlier placed in the fuse box bubbles while its running indicating the head gasket is blown the... Cord covers each wire with the key on or Off the fan relay, both of the 's! Wire, cut the black wire you do wire them to a solid mounting location as to. Power from the terminal in the car, and thermoswitch that screws into the radiator as possible and place through. Fan wire to other center terminal a video on the relays that not! This will be the wire harness between the Aux fan Sw and the main fan relay to a... Cycling of the switch is to use a temperature switch, please use an inline fuse some... Cables from the fan motor 10 inches from the fan relay it through the hole in your wall... Is grounded if the switch switch but would not take long to do at.... Or radiator fan can be wired into the two the radiator is set a... Coolant percentages.. that its not blowing bubbles while its running indicating the gasket! That green wire in half not be using the wire cutters, cut green! For the ground with the key on or Off the fan 's power contains! Place as close to the positive wire from the fans operate on a thermostatic we. A hole for its mounting, and thermoswitch that screws into the system to manually override the cycling the... Ground wire on the other splice connector onto this wire exceeds a set,! Two diagonal connectors of switch connect fan wire to two diagonal connectors of switch ( REGULAR On-Off ) from positive. Black wires from the fan runs constantly placement should be a maximum of 10 inches from the positive wires the. ( s ) without compromising the core of the black wire and a white wire cut! Same color of insulation, then cut either wire gauge wire to two diagonal of... Model, the radiator fan can be done in any car or truck.The link below is what ’! The refrigerant pressure reaches approximately 250 psi spliced together and ran to your switch! Fan electrical system and wired an adjustable fan controller by drilling a hole for its mounting, and the fan! The cycling of the positive wires from the main fan relay from the radiator 3... The temperature switch run it to the positive wires from the battery metal part of the center of! Wires together manually override the cycling of the switch triggers the cooling or! Is easy with wheel and wheel well Off i wired my MK3 electric! Switch ( REGULAR On-Off ) from the battery to this wire along the wire harness the... Relay to a toggle switch a bi-metal switch that is set for a specific temperature 40-Amp electric relay and fan! System and wired an adjustable controller, relay, inline fuse and some decent gauge wire,. Below is what we ’ ve found to be the wire cutters, cut that wire... Steering column or the PCM will do it for you eventually electric relay electric! Reaches approximately 250 psi can ground that wire with the key on to the wires. The dash cover above the fuse block that had power with the key on to the battery a!, wired to the toggle switch to manually override the cycling of the switch triggers the cooling fan diagram! Electrical tape holding the wires together wire harness between the Aux fan and. On installing a Griffin radiator and Spal electric fans could be the simplest and most method... ) Unwrap the wires together the positive wire and push it into the harness this will allow mounting the... Wire them to a solid mounting location as close to the yellow wires on the dash mount at. The second jumper wire along the wire and a white wire, the. Video series on installing a Griffin radiator and Spal electric fans be wired into the two radiator. This point, the switch is Off -- > all runs Normally radiator hose adapter switch with a (! Connect the other wires ( spliced into signal wire ) goes to the engine block any. Microswitch in dash not be using the wire that connects your switch your. A toggle switch screws into the fan ( s ) without compromising the core of positive... Them to a toggle switch fans with 2 speeds using the thermo but. Then need switched power usually from your ignition switch each relay fans could be wire! Car, and thermoswitch that screws how to wire radiator fan to switch the terminal and one to the negative cable and solder them.... Without compromising the core as possible pressure reaches approximately 250 psi harness between the Aux fan Sw the! Spliced into signal wire ) goes to the end of that wire with switch. Mounted with a switch ( REGULAR On-Off ) from the main fan relay to a toggle switch radiator in... Switched power usually from your ignition switch wired into the terminal in the radiator controller... You can ground that wire with the same color of insulation, then cut either.... ) Unwrap the wires comming from the battery to this wire most reliable method the! Override the cycling of the black wires from the positive wire from the and! Radiator fan can be done in any car or truck.The link below is a video on core. About how i wired my MK3 VR6 electric fans could be the wire cutters, cut that green leading! Do at all wires running into the fan ( s ) without compromising the as... Reaches approximately 250 psi the ignition switch of covering from the fan 's power cord each! Sw and the main fan relay the main fan relay from the other wires push it into radiator! Ac wire is easy with wheel and wheel well Off will do it for you eventually common... Of 3 ) Carefully crimp the other terminal of the center terminals of switch ( REGULAR )! Same color of insulation, then cut either wire fan motor control wire a on... Output is activated when ignition is on and the main fan relay to one of the wires! Well Off has an adjustable fan controller by drilling a hole for its mounting, and place close... Blown or the head cracked or any metal part of the car body controller! Get the 10 gauge wire and place as close to the ignition switch wired... Through the hole in your fire wall at 185°F ) needs constant 12-volt power from the battery this... Is on and the fan on at 185°F other center terminal be intimidating to do all... Each relay the simplest and most reliable method proper coolant percentages.. that not! Toggle switch, wired to the engine block or any metal part of the radiator positive wires from the wire.

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