Radiator fan switch wiring diagram. Condor Relay Fan Wiring Kit SPAL Electric Fans 1.

Radiator fan switch wiring diagram. This kit can be purchased here: https://www. 1 connector. There's a Sep 19, 2020 · Ok hopefully i can make sense!!! I have an LS engine, Vintage Air and dual fan setup. Get step-by-step instructions on connecting the switch to your car's cooling system. I believe it is programmed for Low/High operation. Keep your engine cool and avoid overheating. If not, check the cooling fan relay and ECT switches, and check for disconnected connectors or wire breaks between the cooling fan relay and ECT switches. The relay trigger comes from a green thermo control wire (either of two locations provided). circuit CEC02, wire GN-BU, pin #2 of Fan Control Relay #1 to Ground. Learn how to wire a standard electric fan with a wiring diagram. Wired it up and it worked with no problem, or so I thought. Jul 23, 2017 · Learn about Hyundai wiring diagrams for radiator fan and AC condenser fan systems. Dec 21, 2023 · Here’s a guide about how to wire dual electric fans in your vehicle error-free. A radiator fan switch can be a great tool when you're running your car hard either on the street or the track. Discover how to properly wire and connect the switch for optimal performance. This article will explore the essential components, wiring diagrams, and step-by-step instructions to help you successfully install an aftermarket electric fan in your vehicle. DIGITAL THERMATIC® FAN SWITCH KIT INSTALLATION INSTRUCTIONS This switch is setup for 12V usage - for 24V applications replace the built in 12V relays with 24V relays. An optional override allows turning fans on without these triggers. Inside the temperature switch, there is a bi-metal switch that is set for a specific temperature. This wire goes to the thermal switch in the radiator, an EFI fan control wire, or a manual switch if desired. This fan wiring diagram includes a fan relay, a temperature switch, and a manual on/of switch that In this article, we will provide a detailed wiring diagram for a radiator electric fan, along with step-by-step instructions on how to install it. Connections to the vehicle should be done per the notes and diagrams. OR OPTIONAL ADJUSTABLE FAN SWITCH WITH RADIATOR PROBE (GROUND SWITCHING, NON-VARIABLE SPEED ONLY) Optional override switch turns on all fans, by-passing temp sensor and A/C relay. (See Diagram #2) Position the Fan Assembly against the radiator or air conditioning condenser. Direct replacement part fits 10, 12, 14, and 16 inch cooling fans. Feb 25, 2025 · Cooling fan wiring diagram A cooling fan relay controls when the electric radiator cooling fan turns on and off. Oct 12, 2021 · However, often when the relay comes with a cooling fan or a radiator that has a fan made on to it, they confuse people the way they suggest wiring the relay. Instructions: The relay should be mounted in a secure location away from extreme heat or outside elements. Learn how to wire a two-speed fan and control its speed with ease. For example, if the thermostatically controlled sensor measures an abnormal engine temperature, it signals the cooling fan relay to send a 12-Volt Aug 29, 2021 · Wiring a toggle switch for a cooling fan doesn’t take much time or skill, but it can make a huge difference in the lifespan of your car or machine. E36 CHASSIS - FAN WIRING INSTRUCTIONS - CONST Learn how to wire a fan relay switch with a detailed diagram. (Please call for fan shroud suggestions). If you wish to cool both the radiator and AC condenser you should purchase Part #0444, #0500 or the Thermatic Switch & Relay Kit, Part #0404 - which contains the Thermatic Switch with an extra relay and wiring loom for the AC. For single fan applications, use the provided 30 amp fuse. Jun 13, 2016 · Need some help wiring up my relay! Recently installed a 3 core aluminum radiator and dual electric fan I got from ebay. Understand connections, relays, and key components for a successful setup and improved cooling. For those of you that know how to read a circuit diagram, this should be all you need to know. The fans shut down when the vehicle is shut down, so there is Dec 9, 2022 · The 12-volt electric fan relay wiring diagram is an essential component of any vehicle cooling system. Jul 6, 2016 · The most common way to wire the cooling fan switch is to use a temperature switch. Relays are used to control fan power from low Learn how to wire an automotive electric fan relay with the help of a detailed wiring diagram. E30 CHASSIS - FAN WIRING INSTRUCTIONS (E30 TEMP SWITCH) 2. This video shows how to easily wire an electric radiator fan circuit into any car. The fan I have has 3 wires, a ground and 2 positives. This diagram illustrates the proper connections and steps to make your fan operate at both low and high speeds. Learn how to wire and understand the connections in a fan switch diagram. A/C Override - Using the Blue Wire Tap provided, attach the green wire to the positive (+) lead on the air conditioning compressor. Follow the step-by-step guide for a hassle-free installation process. The fan switches are used to control temperature within the engine compartment, and if wired correctly, can help maintain the car’s performance and prevent overheating issues. The installer assumes responsibility to replace the 30 amp fuses supplied, with those recommended by the fan manufacturer for each Using jumper wire with In-line 25 amp fuse, jump across terminals 1 and 4 of the relay connector (Fig. High speed cooling fan relay: BLK/WHT, # 31S-PA17, terminal # 17 @ PCM Low speed cooling fan relay: BLK/BLU, # 31S-PA7, terminal # 68 @ PCM The fan relay switch wiring diagram consists of several components that work together to control the operation of the cooling fan. It discusses using relays, switches, sensors and controllers to operate single or dual fans. Easy to do, simple and not a lot of electrical cabling. It has to run through a relay here is a guide to help you test the relay with the fan wiring diagrams below. These components include the relay itself, a temperature sensor, power supply, and the fan motor. For combinations of fans exceeding 40 amps, please use an additional fan control Relay Kit. Detailed wiring diagram for fan relays, including connection tips and safety instructions for proper installation and troubleshooting. The parts in black are the stock wiring for the cooling fan. Mar 18, 2023 · The wiring to the switch on radiator is still connected as it should. Learn how to wire an automotive electric fan with a detailed wiring diagram. And an easy-to-follow wiring diagram is included in the package. The gray wire is high speed and the black wire is ground, but do not just go trying to hook it up to a toggle switch or something like that. The relay holders of the harnesses slide together; and the harnesses interconnect with “bullet” terminals for a neat, professional appearance. Jul 23, 2025 · A step-by-step guide to wiring your car's cooling fan, covering everything from components to connections, ensuring your engine stays cool and runs smoothly. This is a short video on how to locate, remove and test the radiator cooling fan switch on your vehicle. Refer to Wiring diagrams for circuit diagram. cooling Fan Relay either left or right cylinder head between #1and #3 or #6 and #8 spark plugs. Manual Switch Override - Attach the Green Wire to the manual switch NOT PROVIDED. R300. The black wire from the fan is grounded to the chassis. The parts in red are what you're adding to make this work. This article provides step-by-step instructions and illustrations to guide you through the process. If the fan motor does f not operate repair fan relay fuse link. Please let us know what happens. High Performance Cooling Fans Control Relay & Harness With Thermal Switch Included Parts: Relay & Harness, 185 Degree Thermal Switch, Fuse Holder, Fan Pigtail Harness, Fuses, Terminals These fan control relay installation instructions will show you how to properly install the relay and harness for our Performance Cooling Fans. The PCM has 2 relays in the aux Standalone harness fuse box (Fan 1, Fan 2) and 2 red wires coming out of aux fuse box, 1 wire going to each fan. On my old d17 fan switch (coolant temp switch) was mounted in the thermostat housing and not the radiator but the switch is identical to the k series switch and mounts into the radiator the same. Dec 7, 2008 · Re: radiator fan wiring diagram (tmroper1331) Red / white = comes from the Coolant Fan Control module Red / black = comes from the Coolant Fan Control module (wire connection, in coolant fan wiring harness) Brown = ground (always!) Red = 12v [confirm with test light or multimeter] Hey, tmroper1331, just like we noted in your other thread, you have the wrong fan assembly. 43). Check out the diagrams (Below). Disconnect the ECT switch No. 1986-1989 Identifying Key Components in an Electric Fan Wiring Diagram To correctly interpret the schematic for a cooling device, focus on the primary components: the motor, switch, capacitor, and power supply terminals. Learn how to wire a 3 speed fan switch for a 12 volt fan with our detailed wiring diagram. Use the ring terminal from the parts kit. I found a double relay wiring diagram that shows pin 86 going to ignition power. Condor Relay Fan Wiring Kit SPAL Electric Fans 1. The temperature probe wires are 18” long but can be lengthened to allow mounting the control box further from the radiator. Taking the time to wire your toggle switch correctly can ensure that your cooling fan is running both efficiently and safely. As you can see from the diagrams above and below, it's really a simple circuit that not only provides the proper connections to control the cooling fans, but unlike the switch-under-the-dash method - you won't ever have to worry about forgetting to turn the fans on. Get the most out of your cooling system with our electric fan relay wiring diagram! These step-by-step instructions offer reliable installation. Jun 7, 2011 · Chiming in here with my modified electric fan setup. E30 CHASSIS - FAN WIRING INSTRUCTIONS (E36 TEMP SWITCH)3. Find step-by-step instructions and diagrams for various types of fan switches. Learn how to wire a 2-speed fan with this detailed wiring diagram. Understand the activation process and power distribution. 2L Toyota Camry. A radiator fan switch wiring diagram is a visual representation of how the switch is connected to the rest of the electrical system, including the fan motor, power source (usually the battery), relay (if present), and ground. Find the correct wiring diagram for your electric radiator fan. No DTCs, no alarms, I am going to add a toggle switch for manual override. The diagrams show connecting fans to a temperature sensor or switch so they turn on when needed for cooling. Check the fuse and relay to see if they're working Feb 29, 2024 · Learn how Subaru radiator fans work with this detailed wiring diagram. Radiator Fan Motor And Condenser Fan Motor Circuit Diagram. Dec 25, 2022 · The following is the current draw of the radiator cooling fans: 61 amps both cooling fans runnig high speed. The auxiliary fan is controlled by a thermal switch located in the left cylinder head which grounds the dark green Nov 14, 2017 · If you’re wondering what car fan switch wiring diagram is all about, it’s basically the instructions manual of a car’s cooling fan system. (See Diagram #4 on page 2) Orange/Blue Wires: See page 2 for single or dual fan configurations. Short story: I followed this DIY on how hook directly to the Aux fan wiring with a 80C switch. But the guy cut the breaker out and from the looks of it cut the plug (circular longish black plug?)for the stock fan off as well. Keep your engine cool and prevent overheating with proper fan installation. alloyworksplus Sep 12, 2020 · The radiator fan thermo switch wiring diagram is an essential tool for keeping your car's cooling system in top condition. Feb 2, 2020 · Fan override switch how to wire an electric radiator with thermostat and ignition off jeep mods e46 troubleshooting cooling problems in cars axleaddict the right way install a manual for your e cherokee forum revotec limited properly fans any one know toggle honda tech discussion direct fit dual 1992 12022 chevrolet truck 34 inch wide core on Dec 19, 2024 · Wiring an aftermarket electric fan can seem daunting, but with the right guidance, it can be a straightforward process. A trinary switch will allow your electric fan to turn on and off based on either engine temperature or AC system demand. Keep your engine cool and improve performance. If using the switch on a non-Derale electric fan, check the amperage draw of the fan. Read Learn how to wire a dual cooling fan system with a wiring diagram and step-by-step instructions. 1986-1989 Corvettes were produced with either one primary (rear of radiator) or an optional auxiliary (front of radiator) cooling fan. Understand the control coils, fuses, and relays that power the fans. FAN WIRING INSTRUCTIONS: Red wire (power supply) – Attach the red wire to the positive terminal of the automobile battery. This step-by-step guide will help you understand the wiring process and ensure proper installation of the relay switch for your fan system. net Sep 9, 2024 · Learn how to wire your electric Spal fan the easy way. While radiator fan switch wiring diagrams can vary depending on the make and model of your vehicle, understanding the basics of Step-by-step guide to wiring a 4-wire radiator fan with clear diagram details, helping to identify each wire function and proper connection for optimal fan performance. Using the electrical connectors and wire ties provided, follow the instructions below. Get step-by-step instructions and tips for a successful installation. One of my concerns is feedback to the ECU, when both the ECU and the A/C system are requesting the radiator fan to turn simultaneously. AUXILIARY ENCINE ING 1986-87 Primary Cooling Fan Relay PRIMARY COOLING FAN RELAY white wire from the auxiliary fan relay (see diagram for location). If the fan motor operates proceed to next step leaving the jumper wire in place. You have to make a few changes, particularly on the relay coil. When the coolant temperature exceeds a set point, the switch triggers the cooling fans. Aug 15, 2004 · I can see that these are very useful on track days whilst waiting around in the pits etc. However, wiring this system is not as simple as plugging the extra fan into the existing electrical connections. Learn about wiring a 12 volt 3 speed fan switch with a helpful diagram. If you were to add a manual switch to ground out those control wires, you should be able to manually switch on the fans. Wiring Diagram This is the diagram for what we're doing here. When lengthening probe wires use good quality connections and wire. NOTE: In 1985 the thermal switch may be found in 1986-87 Aux. For Dual fans use the provided 40 amp fuse. I have removed the heater from my car and I would like to use the existing heater switch, but how do I wire in the override for the radiator fan? Does anyone have a wiring diagram? www. General: MARADYNE® uses only high quality wiring kits, using only premium SAE GXL wire & sealed fuse holders. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat. Electric fans are essential in a vehicle’s cooling system, and you can upgrade to a two-fan setup if a single one is inefficient. 13 amps both cooling fans running low speed. Understand how to wire the fan to ensure proper functionality and cooling for your vehicle. That is why I made this video, to Jun 23, 2024 · I bought 2 Spal 10" electric radiator fans to replace my original fans on my aluminum radiator. The green wire need not be installed should the user desire only temperature control to operate the fan/fans. I can plug everything in to This will allow mounting of the fan(s) without compromising the core of the radiator. Aug 28, 2016 · Suggested Electric Fan Wiring Diagrams These diagrams show the use of relays, ON/OFF sensors, ON/OFF switches and ON/OFF fan controllers. Jun 18, 2021 · About this item All wires are clearly labeled and color-coded. Dual electric fans could be the solution to your cooling issues. The fan pulls way too much current for that. Find step-by-step instructions on how to connect the fan, relay, and temperature sensor for optimal cooling performance. Ensure your cooling system is properly wired for optimal performance. Any car with an electric radiator fan can be s A detailed guide on dual electric fan wiring diagrams, offering step-by-step instructions for proper installation and troubleshooting of automotive fan systems. Mastering the wiring of a 2-speed fan can help you control the airflow and temperature in your space more effectively. It does so based on the temperature information from your car’s electronic control module or a thermostatically controlled sensor. It allows the electric fan to be independently controlled, meaning it can be switched on or off without changing the engine's temperature settings. The wiring diagram for a radiator electric fan consists of several components, including a relay, a fuse, a temperature switch, and the fan motor. A detailed guide on the electric fan relay diagram, providing clear explanations of components, wiring, and their functions for better understanding and troubleshooting. Learn how to wire a radiator fan switch with a wiring diagram. Sep 27, 2017 · Radiator Fan Switch Wiring DiagramRadiator fans are essential components of any cooling system, as they can keep your engine running cooler and prevent overheating. Jan 13, 2024 · Troubleshoot an overheating condition using this Dodge radiator fan wiring diagram. RED to 12VDC positive battery terminal, COFFEE to Fan Positive, BLACK to Sending Unit, GREY to Ignition per wiring diagram. Oct 5, 2018 · The clearance between the front of your engine and radiator can be tight. ELECTRIC FAN MOUNTING Take the four supplied Mounting Feet and install them onto the Fan Shroud in the desired locations around the perimeter of the shroud. Control box 12 Volt 30 Amp Relay Grey or Black Sensor Blue Fuse Blue Orange Fuse Orange Motor Ground Ground Red Power Supply 12 VDC Battery Yellow Ignition Signal Green To Positive Terminal of AC Black Jun 9, 2020 · Wondering how exactly you would wire an electric fan with a relay on your classic car or hot rod? Well, you came to the right place. 1997, 1998, 1999, 2000, 2001 2. I read I should use a relay so that's what I'm going for. Dual Electric Fan Wiring Harness with Temperature Sending Unit and 40 Amp Waterproof Relays Be Cool Part Numbers: #75100 - Temperature Sending Unit Turns Fans on at 210 ̊, off at 190 ̊ #75117 - Temperature Sending Unit Turns Fans on at 195 ̊, off at 175 ̊ #75104 - Temperature Sending Unit Turns Fans on at 185 ̊, off at 165 ̊ Discover the wiring diagram for a radiator fan control module and learn how to properly install and connect it for optimal performance. Learn how to wire an electric fan to your radiator with a wiring diagram. This diagram provides a visual representation of how the electrical system is set up, allowing for easier troubleshooting and understanding of how the radiator fan functions. The cooling fan switch simply activates the cooling fans to turn on, typically around 195 The in-line thermostat switch is designed to thermostatically control the electric fan on a remote mounted transmission or engine oil cooler. It helps you to understand the connections between your electrical components and how the entire system works together. Learn how to wire an automotive electric fan with a step-by-step wiring diagram. The black wire from the relay at terminal 87 is wired to the thermal switch that I mounted in the thermostat housing. Diagram of Fan Wiring. You can use one of our harnesses or build your own. Here is only some of the equipment we need to have in order to make this possible. Improve the cooling in your vehicle or RV with this handy guide. Sep 9, 2025 · The proper functioning of the radiator fan switch depends entirely on its correct wiring. Once this is completed, connect the wires per the diagram and notes below. For dual fan wiring, you would need two of this relay kit Temperature switch Feb 13, 2023 · This is the wiring diagram provided: I have the red wire from the relay going to the battery terminal, with the blue wire to the fan. I figure the 2nd relay would go where the manual override switch is in the diagram? Electrically challenged The radiator fan switch wiring diagram displays the connections and electrical components involved in the operation of the radiator fan in a vehicle. The primary fan is controlled by the ECM (computer) which grounds the dark green/white wire from the primary fan relay (see diagram for location). I was running a SPAL 16'' Puller as my primary cooling fan for a few months. Which wiring diagram should I follow Oct 10, 2017 · Looking at the diagram: The relays are controlled by switched grounds at the PCM, behind the right side of dash near base of A-pillar. FAN CONTROL MODULE INSTALLATION The fan control module must be mounted in a cool, dry location, away from hot components. I bought 2 40amp 4pin relays and the wiring diagram shows pin 86 going to ground. How do i Nov 14, 2017 · A radiator fan switch wiring diagram is an extremely important part of any heating system repair job. A detailed guide on dual fan wiring diagrams, providing clear instructions and tips for wiring two fans in various systems, from basic to complex setups. Burned out the fuse and switch. To ensure your radiator fan is working properly, you need to understand how to wire it up correctly. How about a quick guide to automotive electric fans for cooling and how to wire them up. 1- Zip ties 2- 2 packs of 10 Gauge wires 3- Wire Clippers 4- 1 pack of butt connections -10 gauge- 5- 1 pack of quick disconnects (male) -10 gauge- 6- Roll of electrical tape 7- Screwdriver 8- Pair of needle nose pliers or some clamps 9- Heavy duty 40 amp switch Any of these parts can be purchased from an O Detailed wiring diagram for aftermarket electric fan installation. Thermostat Wiring Diagram Mount Under Dash Switch Thermostat Butt Connections Ground Electric Fan Unit 20 Amp Fuse Ignition Side of Switch Note: Manual Switch and Thermostat Shown in Parallel (Independent Operation) How to wire electric radiator cooling fans using the Alloy Works relay and temperature switch kit. It gives you a visual guide of where the wiring should run, which wires are connected to what circuit, and how to troubleshoot any potential problems that may arise. May 16, 2014 · You ought to know where your fan relay is even before looking at wiring diagrams so you know where to start. Nov 30, 2024 · Cooling Fan Circuit Wiring Diagram. Make sure you get the right green wire and go make it happen. This wire needs to connect to the positive compressor clutch wire or a 12 volt positive switch for manual control. 10 Rules for Cooling Options and Accessories Radiator Installation Single Fan Wiring Dual Fan Wiring AC Relay Wiring Electrolysis Aug 19, 2021 · Learn how to wire dual electric radiator fans. Both cooling fans running low speed. Learn how to wire an electric fan in your car with a detailed diagram. May 24, 2022 · There will be times that the engine will not require cooling but the A/C system will. Wiring: Mount the relay in a secure place in the engine compartment away from heat sources. Stay cool on the road with correct wiring. This is usually threaded into the radiator. The thermal switch is the only one with a round button-like connector. (See Diagram #4 on reverse side) Red (Loose wire): Positive (+) Battery to Positive (+) Fan Lead Using the Blue 5/16” Ring Terminal provided, attach one end of the Red loose wire to the vehicles Positive (+) terminal on the battery. Keep your engine and yourself cool by wiring a switch into your American Feb 13, 2014 · The document provides wiring diagrams for electric cooling fans in vehicles. This worked like a charm- except under the ONE scenario: If the temp switch kicks on the fan at 80C and starts Jan 30, 2016 · 2 speed engine cooling fan wiring - I'm looking for some advice on hooking up a 2 speed cooling fan in my hotrod. Understand the different connections and components involved in installing and controlling an electric fan for your vehicle. Learn the proper wiring for a radiator fan switch and ensure optimum cooling for your vehicle. Jul 16, 2025 · What Is a Cooling Radiator Fan Wiring Diagram and Why Is It Important? A cooling radiator fan wiring diagram is a visual representation of the electrical connections and circuitry associated with a vehicle’s cooling fan system. Basic fan circuit diagram: With the Ron Francis harness, the fan gets wired with the blue (+12v) and black (ground). Learn how to wire a 2-speed electric fan with a detailed diagram and step-by-step instructions. . f69 kziy9 lmk ywpub rkl5ms ragq gdws tl6r n7q 3sz