Why is my Jeep Wrangler fan not working?
Recently the fan on my 2001 TJ stopped. It does not work on any speed or on heat or A/C. I pulled the blower motor and straight wired it to the battery. It worked. I also pulled the speed selector switch. I ohm the switch. It appeared to be ok.
What to do if your cooling fan won’t stop running?
The fan will discharge the battery quickly if left running. Open the hood and locate the fuse relay box on the driver’s fenderwell. Remove the lid. Look on the inside of the lid and for the mapping of the fuses and relays with their location. Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one.
What are the symptoms of a bad cooling fan relay?
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
Why is my Jeep radiator not turning on?
The fan will turn on after the temperature reaches about half. Usually comes on when the car is standing still due to the small amount of air circulating through the radiator. Too many mods to list… No the AC will turn the radiator fan on to pull air across the condensor.
Is there a problem with my Jeep Wrangler JK radiator fan?
2007 – 2011 Jeep Wrangler JK Radiator Fan Problem Solved!!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
Why do newer Jeeps have less fan failures?
The newer Jeeps are… newer, and as a result parts are failing a lot less often. I suspect that as they age and parts fail more, this knowledge will become a lot more common.
What was the problem with my Jeep Wrangler JK Unlimited?
Recently, I was driving my 2015 Jeep Wrangler JK Unlimited through a parking lot on a 95 degree day, and after leaving a stop sign, a check engine light flashed on (later I would learn it was a P0480 Cooling Fan Relay 1 Control Circuit ), and shortly thereafter my Jeep overheated.
What does code p0480 mean on Jeep radiator fan?
Include a few extra bits of circuitry (more relays) that help trigger the fan on when the AC is running, or the engine temp crosses a certain level. In addition to throwing a P0480, these fans can also throw a code in the P069X range.
What to do if your radiator fan is not working?
The first thing that you would want to do is locate the fuse for your Wrangler’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.
Why does my Jetta not have a cooling fan?
Simply the engine is not hot enough to turn on the cooling fan, its not hot enough outside, you are driving getting plenty of air flow through the grille to keep things cool without the assistance of the fan. Its possible that you have no problem at all. Was this answer helpful? I got a 2002 Jetta the cooling fans don’t turn on .
Why does my AC fan not come on?
When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. Any advise please. You might have an initial temperature sensor which causes the fan to come on when the temperature begins to rise; that sensor might be defective.
Why is the fan not working on my Jeep Wrangler?
The fan wiring is some of the more vulnerable wiring in your Wrangler. You can test the voltage going from the fan relay to the fan itself. If it is getting 12+ volts, the fan should be coming on. But if it’s not, which means the fan has gone bad.
How to diagnose a Jeep JK radiator fan issue?
The Relay in the TIPM (K11) labeled “Radiator Fan Low” The dual relays over by the brake master cylinder labeled “Fan Relays” on the internet (Mopar Part 56055666AB) The lack of a P069X style code being thrown led me to believe this was a unique problem with only the “high” speed part of running the fan.
The first thing that you would want to do is locate the fuse for your Wrangler’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.
Why is my heater blower motor resistor not working?
This occurs due to the failed blower motor resistor not being able to control the flow of electric current, it could be that the resistor is somehow bypassed and the power is directly being fed from the switch. Excessive current can overheat and permanently damage the blower motor resistor
Where is the resistor pack on a 1997 Jeep Wrangler?
Knows a couple things… The ’97 TJ’s resistor pack is up above the passenger-side footwell, screwed to the HVAC plenum with two screws. Remove the kick plate to gain access to that area. I wouldn’t be surprised if you find some melted wiring leading to the resistor pack, that’s a common issue with early TJs.
Recently the fan on my 2001 TJ stopped. It does not work on any speed or on heat or A/C. I pulled the blower motor and straight wired it to the battery. It worked. I also pulled the speed selector switch. I ohm the switch. It appeared to be ok.
Where is the heater located on a Jeep Wrangler?
It’s speed is directly controlled by the fan speed switch on the dash control panel. The Heater Core is located just to the left of the Blower Motor and has engine coolant circulating through it at all times while the engine is running. Here we have a picture of the heating system in the “Off” position.
How does the YJ heating system work in a Jeep Wrangler?
This allows fresh air from outside to enter the system through the Cowl Vent and travel down to the blower motor. The passenger Vent Gate is closed directing the air towards the heater core. Notice the temperature slider has been moved over to the warm setting. This fully opens the Blend Gate allowing air to pass through the Heater core.
Where is the blower on a Jeep Wrangler?
The blower motor is located directly behind and below the passenger vent (as shown) and pulls air directly from the cowl vent at all times while in operation. The blower motor operates only when the dash control is in the Defrost and Heat positions. It’s speed is directly controlled by the fan speed switch on the dash control panel.
How to troubleshoot Jeep Wrangler air conditioning blower?
Troubleshooting Jeep Wrangler Air conditioning Blower and Repair; Fixed! – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
Where can I find the blower fan to test it?
Where can I find the blower fan to test it? Newbie Jeep owner here – 2000 TJ w/2.5. Got the TJ for a song, replaced engine with a rebuilt one then had the blower motor problem (high speed only and no speed) when it was all back together.
Knows a couple things… The ’97 TJ’s resistor pack is up above the passenger-side footwell, screwed to the HVAC plenum with two screws. Remove the kick plate to gain access to that area. I wouldn’t be surprised if you find some melted wiring leading to the resistor pack, that’s a common issue with early TJs.
What causes a bad or failing blower motor relay?
Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…
What kind of car is a 2000 Jeep Wrangler?
It has carried a 42 mile route and completed it in 18 inches of snow/ice. A good keep. We bought it new. I own a 2001 Sahara Wrangler that I bought new. Bulletproof straight 6, with 5 speed manual. Mine has the lower gear ratio that was an option at the time and first gear sounds like a dragster. This vehicle is a tank.
How to troubleshoot a Jeep Wrangler AC blower?
Check here for troubleshooting the circuit. http://www.wranglerforum.com/f210/heater-problems-443657.html#post7542633 Click to expand… Actually I did notice that but I forgot to put that in my post. The 3 wire switch was melted so I replaced it with 3 individual switches that I had laying around. I’m thinking that might be the problem too.
Is there more gas in a 1997 Jeep Wrangler?
Yes they use a little more gas but it is also the fact that they have a smaller sized gas tank. This Jeep will get up to speed and has plenty of pep. I have many confuse with my jeep with way newer models.
How big is the fan resistor on a Jeep Wrangler?
Replacing the resistor that helps control the fan speeds on the selector knob. If your fan only works on certain selections, its time to change this resistor. Parts at the dealership were less than $15.00 with tax, and its usually in-stock. Socket size was 5/16, 1/4″ drive ratchet. Loading…
Can a push FAN be installed in front of a radiator?
Another thing that could be done is a small push fan can be installed in front of the radiator, with a switch for manual control. That would not alter the electrical system in any way, and might be worth considering if your temps are too high. Final thoughts, is make sure the cooling system is properly bled.
Where is the blower motor relay located on a 2003 Jeep Wrangler?
Where is the blower motor relay located on a 2003 Jeep Wrangler X. I am trying to find out why my blower does not work on high but does work on the three lower setting. I have recently replaced the bl…
Where is the motor resistor on a Jeep Wrangler?
Blower Motor Resistor Install – JeepForum.com Just inside the passenger door under the glove box there’s a black plastic kick-stop panel that’s kind of a PIA to remove. After that it’s a snap. Replaced this in my 04 last fall.
Is the AC fan switch on a Jeep Wrangler TJ?
JEEP WRANGLER HEATER / AC FAN SWITCH For all of you 1999-2004 Jeep Wrangler TJ owners who may have experienced a problem with your heat, or AC fan speed. If your blower resistor isn’t the problem, then chances are it may be the fan speed switch.
Why does my Jeep Wrangler fan only work on high?
Knows a couple things… The fan only working on high is normally due to a defective resistor pack. The resistor pack is used for all speeds except for the fan’s highest speed where the resistor pack is bypassed. Your 2003 has it in a different location than my ’97 does but yours should be somewhere up above the passenger side footwell.
What should I do if my Jeep Wrangler blower is not working?
Jerry – You had mentioned that if the blower fan simply didn’t work at all you should look into replacing the switch plug. I have replaced the switch and the resistor and still no fan. Both of the fuses (behind the glove box and under the hood) appear to be working. Where can I find the blower fan to test it? Newbie Jeep owner here – 2000 TJ w/2.5.