This switch is configured to work based upon the temperature of the engine. The radiator fan is not working. Set the … The fan motor has two wires, one positive and one negative. By logging into your account, you agree to our, Honda and Acura Model-Specific Technical Forums, Honda and Acura Appearance / Cosmetic Forums, New radiator fan switch relay (if necessary). Free shipping on many ... 1983 HONDA SHADOW vt750 radiator and cooling fan. You can check the fan by grounding the connector from the fan motor switch and turning ignition key to ON. In this video I show you how I troubleshoot the cooling fan circuit on an older Honda Civic. Coolant boiling in the radiator's overflow tank and the radiator fan motor does not activate. If it reads infinite resistance, the relay's contact points are not allowing current to pass through. If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. In this is the case, you will need to replace the relay. If the fan does not turn on, you will need to replace it. A coolant fan switch is a small and very simple switch comprised of typically two wires. Stop and go driving with the gauge within normal range is OK. I was getting ready to replace the motor (after initially thinking that it was the motor - pulled the connector, grounded it to the frame, no response, etc). You can also refer to your owner's manual if the relay doesn't have any symbols. This article applies to the Honda Civic/Del Sol (1992-2000). If the radiator fan is not working, it’s a serious problem. If this is the case, you will need to replace the thermo switch. Bridge the gap in the sensor connector with jumper wires. Sounds like a typical Honda cooling system. I have a Honda Shadow 500. Your Honda Civic ‘s radiator fan has one of the most important jobs on the vehicle. If necessary, a replacement thermo switch costs between $10 to $40. Leave the fused and regular jumpers connected. Place the other end of the fused jumper wire on the car's positive (red) terminal of the battery. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. When you touch the ground, the relay should make a clicking sound, indicating that the contacts inside the relay are working. NOTE: An overheating engine runs the risk of blowing its head gasket, so if your Honda is overheating, you should park it and get the problem diagnosed and repaired. Mat Miller here's the procedure, i borrowed this from another forum. $8.21. It is possible that a wire has worn out due to heat and needs replacement. Watch. It's free! The thermo switch (also called the cooling fan switch) sends a signal to the cooling fan, so the fan turns on if the coolant gets too hot. If the fan is not working even when the car is heating up there might be a problem with the wiring. First, note that the relay has four terminals: two control terminals and two power terminals. The cooling fan resistor is an electrical resistor that limits power to the fan in steps, so that the fan can operate at different speeds according to the cooling system’s demands. thankyou fo your time and knowledge and what else could this be ! The ECT sensor monitors the coolant temperature, and allows the fan to turn on if the coolant is too hot. Just before I began to take apart the radiator to get to the fan motor I decided to try some other diagnostic things. You also no longer hear the reassuring sound of the radiator fan kicking in when you pull into your garage. It usualy won't come on with just idling it unless you been out on a ride and then let it idle. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. $65.00. This article applies to the Honda Accord (1990-2002). Follow these steps to test it: Why Does My Fan Keep Running After the Car is Turned Off? your gonna have to do a continuity check. Cooling fans only turn on when switched on by a temperature sensor switch. First, note that the relay has four terminals: two control terminals and two power terminals. sounds to me like you have problems with your fan control module. Coolant boiling in the radiator's overflow tank and the radiator fan motor does not activate. In the Northeast, rarely do we get hot enough days to overheat a vehicle. The radiator fan will run if jumped, but it won't engage otherwise, regardless of how long the bike runs or gets hot. It is the last line of defense between you and an overheating engine. Locate the thermo switch in the thermostat housing, and unplug the two-point connector. Another way to prevent getting this page in the future is to use Privacy Pass. Honda Civic Radiator Fan Motor Basics. Make sure to test the electrical holes and not the locking holes. Using jumper clips, supply positive to the positive wire & negative to the other, from your bike’s battery. Place one end of a fused jumper wire on one of the relay's control terminals. ... Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. This article applies to the Honda Accord (1990-2002). Your Honda Element ‘s radiator fan has one of the most important jobs on the vehicle. If you find your fan continues to run after you shut off your car, then check out this guide. At highway speeds the fan should not start as there is enough breeze for the rad. Don't put off performing basic repairs and maintenance until it's too late. How to troubleshoot your overheating issue on your 2002-2006 Honda CRV. If the bike is overheating, maybe a thermostat or water pump is not working properly. See Contact Test in Step 1. There are three ways to check for a bad terminal. The radiator fan switch relay may not be supplying power to the fan. Full Forum Listing. While a fan certainly helps, I think a water cooled system would work 'good enough' without a fan. Shipping The temperature sensor determines when the radiator fan comes on by reading the cooling system temperature. Removed From: 2001 Honda Shadow Sabre 1100 with 4,642 miles Please review all pictures to asses the condition of the item. Your thermostat could be stuck, and is causing the car to run hot. I apologize for it may be hard to understand some of my words. If necessary, a replacement relay costs around $20. If so, a replacement fan costs upwards of $45. It's ... How to Replace Radiator Overheating? DO this easy check First!If your Honda Fans aren't working it can be easy repair. The sensor that is screwed into the bottom right of the radiator has only one wire that goes from the sensor to the fan to provide the ground to turn the fan on. See Contact Test in Step 1. Scribd, Kcsr, Teamsocal, John the Car Guy Your fan motor may be bad. Decided to take bike to local Honda dealer for 12,000 … It hasn't been an issue yet, but it gets hot here in SE Louisiana, so I wanted to be prepared. The sensor is usually located in the car thermostat cover. If this is the case, you will need to replace the relay. Cloudflare Ray ID: 60af264b2f9d0eab With the jumper attached, the fan should run continuously when the ignition is in the "ON" position. Here we have a 2007 Honda Civic. When you think of a good-performing engine, you might think of an air intake or an ... Why is My Car Overheating? Chances are if the fan was bad you would have had a problem by now. ... i have an 88 honda shadow 800c.c. Run the jumper wires between the connector's two electrical terminals. Knock it for a few times and it works. If you do not get a reading of infinite resistance, the relay's inner contacts are stuck in the closed position. 2001 Honda Shadow Sabre 1100 Oem Engine Radiator Cooling Fan Motor This radiator fan is in very good condition and shows normal signs of wear. Just because the radiator fan is not on does not mean that it is not working. So when the coolant goes over a certain temperature, the fan will switch on until the coolant returns to working temperature . If you heard the clicking sound from the previous test, you can use the ohmmeter to check the relay's power terminals. You need to inspect all the wiring leading into and out from the radiator fan. • The Radiator Fan is not working during Normal Engine Run, but when i Turn-ON the AC, the Radiator Fan and Condenser Fan is working synchronously (Start and Stop at the same time). 1983 83 Honda Shadow VT750 VT 750 Radiator. 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