Why is my Jeep Grand Cherokee heater not turning off?
The heater blower is stuck on in the high position on my 2005 jeep grand cherokee and will not turn off unless the igniton is turned off or the fuse is removed. I had it checked out and was told i needed a new blower motor resistor as well as a new blower motor.
Why does the AC not come on in my Jeep Cherokee?
If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on. Open the low side only valve and allow the charge to build to 30 lbs. on the low side and 150 lbs. on the high side.
Why does my car heater not turn off?
My car has an automatic transmission. This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail.
What to do if your Jeep Cherokee does not have power?
If the blower motor does not have power, check the fuses, and if they are good, check to make sure there is power to the blower motor resister. If there is power to the resister, the resister is bad; if not, the control switch is bad.
Why is my Jeep Cherokee heater not working?
What are common reasons my Jeep Cherokee has heater problems? While there are a variety of reasons your Jeep Cherokee heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
If they are lower and the compressor did not come on, then it is undercharged and needs Freon to make the low side switch come on and activate the compressor. Start the car and turn the AC on. Open the low side only valve and allow the charge to build to 30 lbs. on the low side and 150 lbs. on the high side.
If the blower motor does not have power, check the fuses, and if they are good, check to make sure there is power to the blower motor resister. If there is power to the resister, the resister is bad; if not, the control switch is bad.
Why does my car blower motor not shut off?
If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged.
Where is the blower Motot relay on a 1998 Jeep Gran Cherokee?
Where is the blower motot… Where is the blower motot relay on a 1998 Jeep Gran Cherokee Submitted:12 years ago. Category: Jeep Show More Show Less Ask Your Own Jeep Question Share this conversation Answered in 6 minutes by: 11/26/2008 Jeep Mechanic: Jerry, Master Mechanic replied 12 years ago Jerry, Master Mechanic Category: Jeep
Where does the ground go in a Honda blower motor?
The blower motor control module (Honda calls it Power Transistor) supplies the ground. The power transistor has 4 wires: two come from the climate control system control unit, one is the ground, one goes to the negative terminal of the blower motor.
Why does my car heater blower not work?
When this happens, you may notice that you will not feel anything blowing out of the vents at all. This may also cause the blow motor to work intermittently. I would suggest having an expert from YourMechanic come to your location to diagnose your vehicle’s blower motor system.
Is there a blower resistor for the Jeep Grand Cherokee?
Shop AutoZone for Jeep Grand Cherokee Blower Motor Resistor. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only
What to do if your climate controlled blower wont shut off?
If your climate controlled blower processor is shot, be prepared to spend mucho bucks for a replacement. But before you start throwing expensive parts at the problem, you’ll have to do some checking. Start by testing the gray/black wire at the blower motor control processor. First, try grounding the wire. Then try removing it.
What are the symptoms of a bad blower motor relay?
3. Melted relay. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes get hot when they develop problems.
Where is the fan on a Jeep Grand Cherokee?
Unplug the electrical connector running to the fan motor, which is in the middle on the rear of the fan shroud. Attach a fused jumper wire to the terminal on the cooling fan that is more exposed after unplugging the electrical connector.
What are the symptoms of a Grand Cherokee heater blend door?
The usual symptoms are that one side of the cabin will loose heat, followed by the other side at some point. Air Conditioning is working on cold but not hot no matter the control knobs setting. These have automatic zone control and the driver and passenger sides have individual controls. Close the glove box – Your Done! It’s really that easy!
What kind of heater does a 1999 Jeep Grand Cherokee use?
JGCParts Heater Dual Zone blend doors for all 1999 – 2004 Jeep® Grand Cherokee®. The easiest, cheapest way to fix and restore heat to your Jeep. 1999 – 2004 Grand Cherokee®. The sure way to fix and restore heat to your Jeep®. Make the smart choice.
Why is the heat not working on the passenger side?
Heat not working on passenger side. Jeep Grand Cherokee j… Q: Heat not working on passenger side. Jeep Grand Cherokee So, I bought a used car the other day. It’s a Jeep Grand Cherokee with 70k miles and in really good shape. One week in my heat stopped working in the passenger side and rear right blinker went out. Drivers side heat was fine.
What’s the problem with my Jeep Grand Cherokee?
It’s a Jeep Grand Cherokee with 70k miles and in really good shape. One week in my heat stopped working in the passenger side and rear right blinker went out. Drivers side heat was fine. Is this a coinsidence or what? What do you think the problem is? Hi there – these events are most likely not at all related.
Why are my heated seats not working in my Jeep?
Some thing in that circuit is pulling to much current, either your seat heat coils are starting to die ,break or burn open or something else button is shutting off for protection, take it in Anyone got an answer on this issue? Mine started doing it this morning, drivers seat shuts of after 1 second… 2011 Overland Summit.
What happens when your Jeep Grand Cherokee heater stops working?
At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Grand Cherokee, this process has failed in one way or another.
Is there a dual zone heater treater for Jeep Grand Cherokee Limited?
Heater Treater’s Dual Zone Blend Door fix is for Grand Cherokee Limited’s with dual zone temperature controls. You can read the fail codes on the system by following this procedure:
Why did my a / C fail on my Jeep Grand Cherokee?
Failure of your heat and/or A/C in your Jeep Grand Cherokee is due to the failure of your blend door. Heater Treater replaces the cheap, plastic blend door with steel.
What should I do if my Jeep Grand Cherokee blend door is not working?
Start the GC and turn on the AC. You should be able to manually switch between heat and AC by turning the axle with your fingers. If the motor is spinning and not stopping, or the blend doors are not switching between AC and heat, your blend doors are broken and the Heater Treater Blend Door Fix is the answer.
If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged.
Why does the blower motor relay not work?
This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail. When this happens, you may notice that you will not feel anything blowing out of the vents at all.
If your climate controlled blower processor is shot, be prepared to spend mucho bucks for a replacement. But before you start throwing expensive parts at the problem, you’ll have to do some checking. Start by testing the gray/black wire at the blower motor control processor. First, try grounding the wire. Then try removing it.
What should I do if my blower wont shut off?
If the blower stops with either of these steps, the problem is in the HVAC control module. However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34.
How does the processor work on a blower motor?
The processor is what lets you select and infinite range of blower speeds. In vehicles without climate control, you’ve only got three blower speeds and those are controlled by a blower motor relay.
How much does it cost to replace a blower motor?
However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34. There are a few places online that rebuild these puppies.
The heater blower is stuck on in the high position on my 2005 jeep grand cherokee and will not turn off unless the igniton is turned off or the fuse is removed. I had it checked out and was told i needed a new blower motor resistor as well as a new blower motor.
When did I replace the blower motor on my Jeep?
I brought the Jeep back in on 3 August 2016 to have the parts replaced. Two parts were replaced at that time: 1. Module/resistor/power, blower motor (P/N 68079480AA Module – Power)
Why is my a / C blower not working in my Grand Cherokee?
However, over the next few weeks the A/C blower problem returned intermittently. It seems to be a problem when the temp is around 80 degrees or higher and the car has been sitting in the sun. The problem again happened on 6 October (a warm day) and it was exactly the same problem originally described.
What happens if you have a bad blower motor?
The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.
Where is the blower resistor on a Jeep Laredo?
This 2006 Jeep Grand Cherokee Laredo came in with the complaint that the blower will only work on high speed. The blower resistor is located behind the glove box area. I started by removing the two 7 mm screws that attached the lower hush panel to the bottom of the dash.
What to do if your blower motor runs all the time?
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. A collection of my personal auto repair videos on a variety of car repairing subjects.
What’s the power plug on a jeep blower?
Also took out the glove box which you do not need to do. Only three screws (torx t20 bit) holds the blower motor assembly in place. You also have to pull the power plug off the motor assembly. The new motor assembly (carquest brand from Advanced Auto) had a pigtail to a connector that plugged into the power connector.
This 2006 Jeep Grand Cherokee Laredo came in with the complaint that the blower will only work on high speed. The blower resistor is located behind the glove box area. I started by removing the two 7 mm screws that attached the lower hush panel to the bottom of the dash.
Why does my Jeep Grand Cherokee make a high pitched whistle?
Turns out the Chrysler installed a bad batch of blower motors into many Grand Cherokees at the factory. Many have had these blower motors fail or have a high pitched whine due to bad motor bearings.
What should I do if my heater blower is stuck?
However,… Hello, if is and automatic transmission, the fluid level should be checked first. If the fluid level is low, it should be topped up to the full mark and see if operation returns to normal. If the fluid level is…
Where is the blower motor on a Jeep Grand Cherokee?
The blower motor is located under the dash on the passenger side of the vehicle. For easier access to the wiring push the seat back, and place your tools on the floor of the car .
What to do if your Jeep Grand Cherokee fan does not turn on?
If the fan does not turn on, the damage may not be fixable without purchasing new parts. For your safety do not grasp any wires you can not see. Do not attempt to grasp any wires that are not covered in insulation and/or electrical tape. Turn off the ignition on the vehicle and proceed with the following steps.
What to do if your Jeep Grand Cherokee AC unit overheats?
The 1999-2004 Jeep Grand Cherokee has a common failure where the blower fan wire adapter overheats and melts. Use this guide to fix and repair this connector and get your AC and Heater working again! No parts specified. Place the car in park, activate the parking brake, and leave the car running.