How To Test Radiator Fan With Car Battery

The fan clutch is designed to improve the vehicle’s cooling system efficiency while reducing the load on the engine and loss of energy caused by the fan itself. How to wire up a fan relayusing a (negative) or GROUND control from PCM. You just put a current load on the battery and it should be about 12v. Turn the switch on, and make sure that the fan comes one. The fan motor itself can be checked by using jumper wires. How do i check to see if the radiator fan motor is bad on my 2007 pt cruiser? - Answered by a verified Chrysler Mechanic We use cookies to give you the best possible experience on our website. , they are great to use for a jeep, hot rod, sand rail, LS engine swap, or any other custom projects. using a fan to cool its batteries. Relays or components under the hood that are ON or running with the engine OFF - for instance electric cooling fan motors, anti lock brake pump motors, air ride suspension pump motors. Refer to Step 5, From the Amprobe Digital Library @ www. 5 hours on the lower speed setting and 6. That's incredibly dangerous for your engine, and you need to get the coolant fan relay fixed as soon as possible. Remove the left side headlamp bulb from the headlamp housing. This article will describe how and why this. With the type operated by the ignition switch, keep the engine running. Mini USB Fan, Clip on and Desk Fan, Personal Portable Fan with 3 Speeds, Rechargeable, 360 Degree Rotation Battery included for Home Office Car Outdoor Travel Let our portable fan bring you cool this summer! charging method: You can power it via the USB cable. I wired my radiator fan directly to my battery on a suggestion from a reputable VW aircooled and diesel mechanic my dad takes his cars to. My car is a 1999 Buick century when stop at the light my temperature gauge start to go up and fan is not come on then I check fan but fan not running at all fuse and relay OK what can be the problem 12 people found this helpful. How To Change And Replace Hyundai Elantra Car Parts Video Guide. How to Test Your Car's Accessory Socket or Cigarette Lighter Cleaning Car Battery Posts to Avoid. Here is a video update on our second dome on a cool spring morning. You need to run a cooling fan that keeps air circulating around the battery charger and inverter inside the box. on a still day). It’s very easy on how to test a fuse. We provide genuine Original Equipment Manufacturer (OEM), rebuilt, and new aftermarket components for domestic and imported passenger cars and trucks. If it doesn’t, and you have a domestic vehicle,. 75 volt reading on the hard shell connector. Don’t Use Electronics While Idling. Electric cooling fans became popular with the introduction of front-wheel-drive and the relentless goal of improving fuel economy. Here you will find instructions to check the engine coolant level and add coolant to any BMW. All grounds have been checked good and tight. The radiator transfers the heat from the fluid inside to the air outside, thereby cooling the fluid, which in turn cools the engine. By doing this preventive maintenance, you will prevent the Hybrid battery from overheating. Used Indoor or Outdoor - -12v car air fan fits all the family and Vehicle Car SUV RV ATV Boat etc,can ventilate the air in your vehicles effectively. 3v and that was out of the box. Honda Accord: Why Does My Fan Keep Running After the Car is Turned Off? In some cases, the cooling fan under your hood stays on for a prolonged period of time, causing your battery to die. If it runs with direct connection from battery that means fan is actually working but any of the other fan connecting parts internally are not letting the fan to work. Your going to need to check for power at the fan, the fan can still be failed and spin just fine by hand, considering you dont have high or low I would lean towards a fan or fan connector concern. They sell generic cooling fans at any good parts store that you can mount to your radiator. When a MINI R56 cooling fan fails, the fan will not activate or only activate at high speed. If you're into design, go and check them out. When a particular two wire accessory is not operating, use a grounded test light to check for power at the wiring harness (either wire). Before I go and drop the $$ for a new control module can anyone tell me how to test the module or make the fans run on high. Usually a bad cooling fan resistor will produce a few symptoms that can alert the driver of a potential problem that should be serviced. Phone cooler app. In an emergency situation or in other unusual circumstances, it's possible that you might want to run a household fan off a car battery. The first thing to check is the fan motor. Where there is a thermostatic switch in the circuit, start the car and let it run at fast idle. Table 1: Do’s and don’ts summary of how to use, maintain and dispose of batteries. 5 hours on the lower speed setting and 6. To the other end crimp a blade connector which will mate with connector leading to the fans Green wire. Some car manufacturers are far more expensive for the part than others, with the cost of a new radiator varying from $182 up to $921. So we have bought a Ford Taurus 2-speed fan, this fan had. Protect yourself and your car by remembering to follow a few simple rules when working with electrical circuits:. Make sure that the bike is cold and then locate the coolant system. If allowed to accumulate, over time, the fan will eventually be completely clogged, preventing the fan from cooling the battery effectively. If not, there may be excessive resistance in the circuit. For condenser. On all BMW models up through the late '90s, the auxiliary (or main) fan is controlled by one or two thermostatic switches that are mounted into the radiator side or bottom tanks. A small amount of hot coolant is diverted into a hose fitted into the firewall and then into a small heat exchanger or heater core. If your cooling fan isn't turning on or running at the right level, it can case your car to overheat. Other people report the fan changing speed for no reason. BMW redesigned the cooling system, and now they use an expansion tank. Turn off the engine. I replaced the 30 amp fuse, and, with the AC/defrost off, started the car up. The fan is forward of the radiator, low and to the left. 5D, TDI Diesel Engine – Scheduled Plan Volvo S60, S80, V70, XC70, XC90 – 2001 to 2006 – D5, 2. My friend got ml270cdi(diesel engine) and it may be different fan supply to your car but he had exacly same problem and same message on dash He ran code fault scanner and it came up something to do with current supply. Common Toyota Vios Problems and How to Fix Them The Toyota Vios is easily the number one selling car in the Philippines. Begin with the engine cold, vehicle on level ground in park, with the emergency brake set. Whether you need to test the condition of your car battery, fix your AC, or simply change your tires, learn how with these step-by-step tutorials. Can I test it with the car off by jumping it or something? What's the best safe way to do this? thanks. If I plug it back in, they start back up. Fuse is a very thin wire, which either melts or vaporizes when current flow through it exceeded the fuse rating. The radiator fans will not shut off at all. I've done a coolant flush, replaced the coolant reservoir, thermostat, fan switch, temp sensor, coolant flanges and hoses, fan relay box, radiator fans, fuses on top of battery, power steering pressure switch, and performed multiple oil changes. Buy OPOLAR 5 Inch Desk Fan with Timer, USB or AA Battery Operated, 3 Speeds, Extra Quiet, 7-Blade Design, Adjustable Angle, for Office Desk, Hurricanes, Bedroom and Outdoor (Without Batteries): Table Fans - Amazon. For example, during a power outage during a heat wave, or should someone fall ill with fever during a camping trip, being able to power a fan to offer a cooling breeze might be of great benefit. I'd think you'd have to have the car shut off with a really hot engine, and then turn the car back on to see both fans go from 0rpm up to ***rpm. https://www. How to Fix 12-Volt Coleman Coolers Check the power cord for a secure connection in the automobile's power socket. This is a huge plus for Track Mode. When a BMW Z4 cooling fan fails, the fan will not activate or only activate at high speed. I guess the idea is that a blown fuse or faulty wiring would never lead to the fan not working and thus the car overheating. Check out this Apple Support page of reference codes that may appear in the Test Results section after the test completes. I guess the idea is that a blown fuse or faulty wiring would never lead to the fan not working and thus the car overheating. Helpful fan belt repair tips: The belt should be taut, and should not squeal when the engine is running. A radiator fan requires an average of 15 amps to operate. But if fan does not work when you manually test it by connecting it to 12 volt battery then ,yes the fan is faulty and it. com: Gazeled Battery Operated Fans Portable, Stroller Fan Battery Operated, Battery Powered Fan with Clip, 5 Inch Cordless Fan for Camping, Mini Quiet Personal Fan for Bed, Car, 8 Free AA Batteries: Home & Kitchen. Be sure you don't confuse the Radiator Fan Relay and Radiator Fan Main Relay while doing the tests below. Gm dealer commented that they have been having a number customer complaints about this issue and have been having of " a lot" of problems with the fan relay sensor and the cooling fan clutch. I suspect the battery would drain faster since the Radiator Fan is working continuously and drawing current from the Alternator. Check coolant level frequently and change it according to your owner’s manual to prevent serious damage or engine failure. This video will show you how to find and fix that part. Check the Battery. You can test the cooling fan temperature switch using a test light. You should first disconnect the positive wires on the fan motor (tape them to avoid shorts during the test) and use some heavy gauge wire (8 or 10 gauge) or a Battery jumper cable to connect to the fan motor. So I started looking into why it was doing this. While a blower motor doesn't heat or cool the air, it is a critical component of your car's ability to do so, as it's responsible for pushing the heated or cooled air through the vehicle's HVAC vents. Standard value: Battery positive voltage Fig. All our chargers are internally fused and include our Patent Pending hybrid battery cooling circuitry for the safest, most effective charge you’ll. MERCEDES BENZ ECU / ECM QUESTIONS AND ANSWERS. You also want to check your fan relays. Overheating may also be caused by a broken fan belt or clogged radiator. Wiring Diagram. But if fan does not work when you manually test it by connecting it to 12 volt battery then ,yes the fan is faulty and it. BTDT with my '98. Fan Speed: Depending on the situation, more or less air flow may be required. We believe in helping you find the product that is right for you. There are three relays used by the fans: Radiator Fan Main Relay, Radiator Fan Relay, and Condenser Fan Relay. 0 Ecoboost & i was curious. Find the answer to this and other Vauxhall questions on JustAnswer. Check your alternator to make sure it is producing enough voltage to properly charge your battery. A voltmeter capable of reading both AC and DC currents is required to test cooling systems. Then, use a rag to open the radiator cap and check if the fluid is near the top, which means you have enough coolant around your radiator. When to Get Cooling Fan Relay Replacement. 6- Battery is weak. The Electric Cooling Battery Test. Radiator and water pump replacement (e34 535i) Radiator fan electric upgrade Reading BMW fuel injection codes (stomp test) Rear shocks & lowering springs installation Rear shocks & lowering springs installation Rough idle & shimmy guide (plus catalytic converters) Solar battery charger/tender Starter motor R&R Starting systems (PDF). Compact Size - -Mini electric car fan don't take up space and will not cause visual blind spot. good voltage battery new engine cooling fan on high with ignition on the car the radiator fan is normal but. When replacing your electronic cooling fan, you will want to work with the engine cold and disconnect the battery's negative cable. 4- Battery terminals are loose. On early 944s equipped with air conditioning, there are two electric cooling fans. Okay, dead fan motor. For interior car accessories, check out car seat covers and car floor mats that can protect seats and floors from dirt, messes and pet hair. The fan shroud is very important. what is the largest load on a car battery? temperature or torque sensitive clutch attached to a belt driven cooling fan? 3. 2L 4-CYL 1994 Toyota Celica 1994 ENGINE COOLING Toyota Engine Cooling Fans Celica 2. You have two speeds that operate through your Nissan radiator fans. There are a number of common problems with radiator fans, and if. 5- Battery terminals are corroded or rusty. These same diagnostics also aid in air conditioning blower assembly diagnosis when an A/C blower continues running. Wired the fan to the battery and fan works great then. This component could be a cooling fan motor, an A/C compressor, a fuel pump, you get the idea. Since my engine is not stock (1971 Riviera 455 cubic inch big block the cooling fan previously that was installed is just not enough to cool it down. 6 Most Common Reasons Your Car Overheats With summer on its way, temperatures are rising – and the risk of your car overheating is on an upward trend as well. How to Tell if Your Car's Thermostat Is Stuck Closed. If the fan isn't working, it could lead to overheating and cause damage to the engine which could prove very costly. I filled it up, jump started the car and took it for a test drive. The relay is hot because it's being "switched" on and electricity is running through it but it's not being drawing by the fan motor. In my case the fan stopped blowing, then after a day or two worked fine again for weeks, then stopped completely. Engine running hot. Rotten Egg Exhaust Smell. You can even use the phone adapter to charge the battery that is present in the fan. Check that the thermostat works and opens. I then wired each fan directly to the battery to find the driver side fan worked fine, but the passenger side fan wouldn't spin at all. Start and idle the engine, and backprobe the connector terminals with the test light. But these concepts don't translate to EVs and their batteries. The first aspect of the battery to check is the manufacturing date of the battery. 6- Battery is weak. Older BMWs had a translucent coolant reservoir with a line that shows the high and low level. Then run a another new wire from the fan motor black wire right to the neg of the battery. com FREE DELIVERY possible on eligible purchases. You may need to loosen the tensioner a little bit more in order to slip the new belt onto the final pulley. Great car BTW. Williams Advanced Engineering has revealed a new battery module it claims is lighter but more power-dense than conventional lithium-ion units. How can i wire a cooling fan directly to a switch on my car? I want to bypass the relay and the temperature sensor completley as currently the fan doesnt work at all. The battery is responsible for two functions: it starts your car and also passes along electricity to the electrical components in your car. A radiator is constructed with two key components: a core made up of small flat tubes, and overflow tanks which are either on the top and bottom of the core or on either side. if not check for faulty relay. But if you stop, in a summer traffic jam for example, your engine has to rely on a temperature controlled electric cooling fan to force air through the radiator. In this video you will see how to connect direct the cooling fan of a car easier, faster and without having to cut wires. Replace radiator fan relay in 2006 Chrysler T&C The fan on our 2006 town and country minivan will stay on indefinitely after I turn off the ignition and remove the key. Electric cars in Europe, CA engine ban, EV100 pledge, new battery cooling: Today's Car News Video explains how electric cars work, battery and motor technology included Could water be the secret. Some vehicles engage the radiator switch when the car is started while other newer models employ a thermostatic switch. Check us out today and find out for JahyShow Car Heater 12V DC Portable 300W Tungsten Heating Cooling Heater Fan Vehicle Mist Defroster Demister your self! Find the lowest prices on bestselling JahyShow Car Heater 12V DC Portable 300W Tungsten Heating Cooling Heater Fan Vehicle Mist Defroster Demister in a wide variety of styles. Run a new wire from the pos of the battery to a new switch terminal in the car. In conclusion if you suspect that your cooling fan motors may be having an issue, start doing some testing to see if you can fix it yourself. Reconnect the lower radiator hose. If water isn't low check the fan belt, or electric cooling fan, it should come on as soon as the car begins to over heat. Vault - Hide Pics & Videos, App Lock, Free Backup. Be sure you don't confuse the Radiator Fan Relay and Radiator Fan Main Relay while doing the tests below. 2 AboveTEK DC Electric Car Fan. After all, if your car is baking in the sun at 90 to 100 degrees and the engine hasn't even been turned on, you're working at a significant disadvantage. If I plug it back in, they start back up. Connect one end of the volt meter to a ground and the other end to the electrical connection on the fan. REMOVAL Open hood, disconnect and isolate the battery negative cable. ** Topping charge is applied on a battery that is in service or storage to maintain full charge and to prevent sulfation on lead acid batteries. If it runs with direct connection from battery that means fan is actually working but any of the other fan connecting parts internally are not letting the fan to work. Full Answer. 4 engine cooling fan not coming on. To help organize the kids’ toys and snacks, seat back organizers have the perfect-sized pockets that’ll. I only have one 9-5 to look at, so I'm not sure what is typical for the 9-5 and what is unique. Operating the fan manually is just as effective, and in some cases, moreso, since it won't be forgotten. if relay is good, then most likely the fan is no good. When you start the jeep with the AC running the fan should instantly kick on into low speed mode. The radiator. TEST 2: Bypassing The Radiator Fan Motor Switch. Vault - Hide Pics & Videos, App Lock, Free Backup. And can make both fans power up if one of them is bad. All grounds have been checked good and tight. Now check the hoses they may be soft and collapsing when hot. If you start the engine, let it idle, and turn on the A/C, the fans should start. Run a new wire from the pos of the battery to a new switch terminal in the car. Then, carefully insert the positive lead of the volt/ohm meter into the coolant inside the radiator without contacting the filler neck. 6L JK radiator fan not running are: The Fan assembly itself; The TIPM itself (aka, the computer for most accessories in the car) The power lead from the battery. Car Battery. To test the cooling fan, unplug the cooling fan and you'll need something to connect up the fan directly to the battery. If you're driving a vehicle with an internal combustion engine, then periodically you'll need to flush the radiator and replace the coolant, which is also called antifreeze. It's important to check that your car has this coolant to ensure that the engine is working effectively. On early 944s equipped with air conditioning, there are two electric cooling fans. Save time with a fast and high quality car battery service delivered direct to your car door by Australia’s #1 mobile mechanic provider. Begin with the engine cold, vehicle on level ground in park, with the emergency brake set. - If I pull relay to "COOL FAN 1" both fans stop. Engine running hot. If you have problems with the radiator fan, you need to take care of them immediately or you could cause serious damage to your car. Remove fan retaining screws from. Replaced alternator and mass air sensor, car runs perfect, and no check engine light. Ever wonder what that one button does or how to check on your engine? Come watch our how-to videos about inside, outside and under the hood of your smart. It's better to do this when the car is warm and the thermostat is open, thus allowing the water to circulate. Then the battery died. If the fuses are intact, switch on the ignition and use a circuit tester to find if there is current at the motor terminals. 0L DOHC and am starting to notice that after sitting at a red light for a short time the engine will heat up a bit. How to fix a car fan. Is it worth it to just sell your hybrid at that point? Get cash towards a new car so you can get back on the road. I had this problem before. Check the fan clutch. Phone temperature cool down app, battery & CPU cooling master. The cooling fan relay is activated and the fan operates. New fan lists for $330, takes about an hour (if you have the right tools) to install. The engine's electric fan switch is mounted into the cooling passage of the radiator or into one of the lower coolant pipes coming from the bottom of the radiator. 5 hours on the lower speed setting and 6. Second, when the car is travelling fast and the engine is running at high speed, the fan is also turning over at its fastest. As a car accumulates miles the chances of engine problems increase. com/topic/22115-check-that-cabin-air-filter/ It hasn't been officially a year since we purchased our '16 Fwd 2. Replaced alternator and mass air sensor, car runs perfect, and no check engine light. I have replaced the fan motor, relays, cooling sensor, thermostat, and water pump on my car, the cooling fans wont' turn on. When it had reached normal operating temperature suddenly the cooling fan came on. From the switch run a wire to the #85 terminal on the relay. Question = I bought the car for a thousand because it wasn't running and I replaced some parts on the car to get it started and stay running and now my engine cooling fans don't come on when they are suppose to, Now I've been on my computer for a couple. More by cxzh. If allowed to accumulate, over time, the fan will eventually be completely clogged, preventing the fan from cooling the battery effectively. You also want to check your fan relays. Point of no return #2 If you cannot remove the fan shroud, stop and reassemble any pieces that you've removed and refill the radiator with a mix of antifreeze and water. With no airflow through the radiator, it will soon warm up to the temperature at which the fan should cut in. When replacing your electronic cooling fan, you will want to work with the engine cold and disconnect the battery's negative cable. Order Battery Cooling Fan for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Phone cooler app. Plugged in the new fan, coolant light still on, got car up to temp and a little warmer fan never came on. Good right?–no. Removing the fan shroud sometimes even requires the removal of the engine cooling fan. Using a test light, connect it to the negative of the battery. Unplug the wiring connector on the fan, and use the jumper wires from the battery to route power directly to the fan. 6 TDCi Titanium A/C 2010 22500 mls I had this fault just parked up after short motorway run, all temps showing normal but the radiator fan continued to run at high speed with the ignition off, just unclipped the feed wire on the fan motor, was a bit stiff (mind your fingers) to save battery. If it doesn’t, and you have a domestic vehicle,. How to Check Your Car's Engine Oil. This is the terminal that actuates the relay. The parts in black are the stock wiring for the cooling fan. If the fan isn't working, it could lead to overheating and cause damage to the engine which could prove very costly. I've got a questions about normal radiator cooling fan operation. This is one of the best car cooling fans from AboveTEK will make a big difference in your travels with your pet. This is the diagram for what we're doing here. When ever the air-conditioning is used, regardless of engine coolant temperature, the auxiliary electric cooling fan operates. 8 out of 5 stars 23. How to fix a car fan. Check that the thermostat works and opens. I tried to turn the ignition on and off to turn off the fan, but to no avail. Volvo S40, V50, C30, C70 – 2004 to 2013 – How to replace the battery; Volvo S60, S80, V70, XC70, XC90 – 2001 to 2006 – D5, 2. Before you put everything back together, test it out to make sure it is working. But, there are specifics to this sensor. Step 2 Turn the fan power switch to OFF. Some car manufacturers are far more expensive for the part than others, with the cost of a new radiator varying from $182 up to $921. The battery cooling system has its own 12-volt coolant pump, a refrigerant to coolant heat exchanger (aka chiller) and a 3-way coolant flow control valve to route coolant through the radiator, the chiller, or bypass. Order Battery - Automotive for your 2010 Toyota Prius and pick it up in store—make your purchase, find a store near you, and get directions. I filled it up, jump started the car and took it for a test drive. The radiator fan is a big part of the car's cooling system that keeps the engine running properly. To bleed the cooling system: Fill the expansion bottle with a mixture of coolant and water. It might seem a. , they are great to use for a jeep, hot rod, sand rail, LS engine swap, or any other custom projects. gage never goes above half way. Your air conditioning is not working, It's should be a fuse, relais connected to the compressor unit. You can even use the phone adapter to charge the battery that is present in the fan. Autocar reports the new lithium-ion battery module. The problem that I am having is on my wife's 2001 vw beetle with the 2. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. The other day we left the house and the a/c was on but blowing warm for about 5 minutes then just started blowing cold. Then the battery died. Troubleshooting Tips. org is the source for sharing knowledge and information about enjoying, caring for, maintaining, repairing and owning the BMW e23, e32 and e38 7-series automobiles. Don’t Use Electronics While Idling. If there is no power, the electrical system must be tested starting with the fuse then the relay. the outside of the radiator with a detergent solution. Let's find what's wrong with your vehicle! Twitter Facebook Google+ Buffer Pin It Radiator fan failures account for a large percentage of all engine failures due to overheating despite the fact that in many cases, the fan seemed to be working fine. You will get all prices in writing before we start work on your car. The cooling fan in the condenser is the first thing that you should look into while finding out the reason for car air conditioner not blowing cold air when idling. This time the AC radiator fan finally stopped. Find out how to mend just about anything. Use of a non-APC battery will void APC’s Equipment Protection Policy. The cooling system must be maintained at the proper level, mixture, and pressure to be effective. How to check your cooling fan. Use this schematic to wire up a DUAL SPEED fan such as the Ford Taurus fan. Get a new car battery installed at home or at the office with Lube Mobile, the fleet of mechanics who travel to you for your vehicle servicing and repairs. The cooling fan in the condenser is the first thing that you should look into while finding out the reason for car air conditioner not blowing cold air when idling. Check your car manual to locate it. As soon as I did that the fan came back on. there is no engine driven mechanical fan. Table 1: Do’s and don’ts summary of how to use, maintain and dispose of batteries. To check or add radiator fluid, start by parking your car on a level surface and turning it off before raising the hood. It blows leaves from behind my car when it is on in the driveway. To prevent a failure, replace your radiator hose to keep the cooling system operating correctly and to prevent your engine from overheating. Each fan requires 8 D cell batteries. In the past, the fan was attached to the engine and was driven by the fan belt. check the voltage, while the car is on and off, you'll get an idea if the alternative or regulator may be the problem as well. You also want to check your fan relays. This time the AC radiator fan finally stopped. neither of them. hi guys any ideas on this one : 2003 1400 fiesta 38k on clock just had new water pump, cam belt , thermastat after recent overheating in heavy traffic, car running fine not overheating, but my concern is the coling fan never seems to come on. Check the ground in the relay with the multi meter on the Ohm scale. If the fan starts working, then all you need is a new sensor for the cooling fan. You just put a current load on the battery and it should be about 12v. 2 AboveTEK DC Electric Car Fan. Can you wire fan straight to battery to test and how i wired fan to battery and it came on what else would cause fan not work normally besides fuse and fan motor? a loose wire on the car. I filled it up, jump started the car and took it for a test drive. The cooling fan relay is activated and the fan operates. 4D Auxiliary Serpentine Drive Belt Routing Diagram. The problem went away, until this evening, again when I parked the car, the AC radiator fan kept whirring. It is what sends the signal for the fan. what is the largest load on a car battery? temperature or torque sensitive clutch attached to a belt driven cooling fan? 3. Check over the battery cables for cracks and breaks. This radiator is leaking at the bottom tank. News, email and search are just the beginning. Cost of repair approx $1,000. New) and all the Hoses, still running verrrry hot. Question = I bought the car for a thousand because it wasn't running and I replaced some parts on the car to get it started and stay running and now my engine cooling fans don't come on when they are suppose to, Now I've been on my computer for a couple. This is the terminal that actuates the relay. If the alternator is dead or weak and not effectively charging the battery, the car will eventually stall. The descriptions of cooling fan operation contained in this procedure are based on the factory electrical diagrams, the troubleshooting experience of other 944 owners, and my own experience. Cause of Car Heater Fan Not Working If you are on a mission to fathom the reason behind your car heater fan not working, you have landed on the right page. The thermal switch is mounted nearly at the bottom of the right side radiator tank. My car is a 1999 Buick century when stop at the light my temperature gauge start to go up and fan is not come on then I check fan but fan not running at all fuse and relay OK what can be the problem 12 people found this helpful. The radiator worked in a very simple but effective way. If your car is over four years old or has more than 60,000 miles, it may be time to replace your hose. Connect the inverter's positive input clamp (red) to the positive battery post (+) on the automobile battery. My car with a new motor (which normally runs hot for the first few hunded miles), stock radiator, the a/c on and a 93* day ran no hotter than 185*. com: Gazeled Battery Operated Fans Portable, Stroller Fan Battery Operated, Battery Powered Fan with Clip, 5 Inch Cordless Fan for Camping, Mini Quiet Personal Fan for Bed, Car, 8 Free AA Batteries: Home & Kitchen. Then, use a rag to open the radiator cap and check if the fluid is near the top, which means you have enough coolant around your radiator. Turn the ignition to the run position (not acc. Since my engine is not stock (1971 Riviera 455 cubic inch big block the cooling fan previously that was installed is just not enough to cool it down. Latest Volvo How To Tutorials. I want to test my radiator fan, when I run the car and put the AC on I don't see it spinning, but it's hard to really see in there and the car makes so much noise I can't tell what part is spinning. If I plug it back in, they start back up. In conclusion if you suspect that your cooling fan motors may be having an issue, start doing some testing to see if you can fix it yourself.