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 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.
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…
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.
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.
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.
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.
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
When do you need a compressor in a Jeep Cherokee?
If the compressor makes a lot of noise or the clutch will not engage properly, it also requires a compressor. If the high side is very high and the low side normal or low, the condenser is plugged up and needs to be replaced.
Where is the blower located on a jeep?
Since the state of the blower changes after switching ignition off/on, the problem can be inside the AC control panel. “The blower motor sits right next to the resistor or controller (resistor is for manual AC, controller is for automatic AC system), so the connector can be found on the blower motor itself. I have manual a/c.
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
How does the Jeep Cherokee a / C heater motor work?
A Jeep Cherokee A/C blower motor is a vital part of your Jeep’s HVAC system. The blower motor resistor controls the speed of your fan (blower motor). When the fan works at high speed, but not in some lower speeds, this is frequently a result of a faulty resistor.
Why does my Jeep Jeep blower keep failing?
Most of the time the problem is a melted connector on the blower motor controller, but you changed that one already and would have seen the melted connector. When it fails again, i would try and wiggle a bit with the wiring on the controller and the blower motor itself. Could be a bad contact or an internally broken wire.
How to fix power windows on Jeep Cherokee?
Not just by jumping a wire in the kick panel that disables the lock-out button. This regains full use all passenger windows as well as keeping the child safety button functional when needed. This will also fix power locking and RKE issues when the re-flowing procedure in the video is done to the PASSENGER side module.
How do you turn on AC in Jeep Cherokee?
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. Listen for the click in the low side switch to turn the compressor on. Shut the valve off if the compressor does not come on. Turn the engine off.
What should the pressure be on the AC in a Jeep Cherokee?
Check to see if the compressor comes on when the switch is activated. If the compressor comes on, feel the larger of the two lines off the compressor. The large line is the low side for the low pressure (suction side) which returns the Freon to the compressor. It normally carries 30 to 60 lbs. of pressure. The line should be cold.
When do you know your Jeep Cherokee ignition switch is bad?
If your Jeep Cherokee is starting right up, but then immediately dies, that is a very good indication that the ignition switch is bad. Here’s what happens. You aren’t getting power to the ignition or fuel pump while the key “rests” in the run position.
Where is the neutral safety switch on a Jeep Cherokee?
This is the source of the Jeep’s ignition issues, but is easily replaced by any mechanically competent owner. The neutral safety switch is located on the transmission, where the shift lever attaches. Replacing it simply involves removing the attached wires, pulling out the sensor, installing the new one and adjusting it.
How to troubleshoot a Jeep XJ Cherokee problem?
“If the power lock system is inoperative with either front door power lock switch, test the Passenger Door Module (PDM)…If the power lock system is inoperative with only the driver side front door power lock switch, test the Driver Door Module (DDM).” I can help you troubleshoot beyond these symptoms, too.
Why does my Jeep Cherokee not turn on?
Symptoms don’t get more straightforward than this: The truck doesn’t start. Turn the key, and everything comes on, but the driveway is absent of that Jeep rumble. When you turn the key, a number of things happen. First, the key-switch engages the vehicle’s accessory systems like the radio.