When does the rear AC blower turn on?
Three years ago I replaced the rear blower motor control module, which caused the rear AC to start working again. That was no fun with such a tight space to try to loosen and tighten nuts in! Since then there has always been, however, an approximate three minute delay for the rear AC blower to turn on.
Why is my rear AC not turning off?
Today I disconnected both the front seat (near the shifter) and first rear seat controls for the rear AC. It didn’t change anything. I finally removed the fuse under the first rear seat to get it to stop blowing. Less than a year ago I replaced the front blower motor control module because the front speeds weren’t working right.
Can a car battery be disconnected while the engine is running?
Battery voltage MUST be maintained to the (PCM) and other modules; while the battery is disconnected. NEVER : disconnect the car battery; while the engine is running or the ignition key is turned on. Automotive Car Battery With Negative Cable Removed
What to do if your Buick air won’t work?
Look online for a reset procedure, or call a dealer and ask a mechanic how to do this. If they refuse to help without you bringing it in, call a different dealer. There may also be a service manual for your Buick that is available cheaply on ebay or similar, and this may tell you how to reset it. Good luck.
What to do if your air conditioner is inoperative after battery change?
When i put the originial back in the A/C wasnt working at all. Before the A/C was fine. I disconnected the battery for 45 minutes and disconnected the AC clutch relay for 3 minutes after connecting battery. I turned on the car, Didnt start the engine. Then i checked the A/C, which started right up.
Why does my car alarm keep going off at night?
A bad car battery or low battery charge is a widespread problem for a car alarm that goes off during the night. If you hear the car alarm going off at night and the car battery is dead in the morning, the car battery may be bad.
What causes a car battery to drain overnight?
This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn’t. Since the alternator isn’t generating vehicle electricity, the problem component pulls from the battery, slowly draining it overnight until your vehicle won’t start.
What are the symptoms of a bad heater blower motor?
No air from the vents. No air flow from the vents when the heater or air conditioning is activated is another symptom of a bad blower motor. If the heater blower motor burns out or short circuits, it will not function, and therefore will not be able to produce any airflow for the system.
When do you need to replace a blower motor?
If you don’t feel any airflow coming out of the vents, it may mean that a problem with the blower motor has developed to the point where the component is entirely inoperable. In this case, you’ll have to replace it with a new motor.
What is the function of a heater blower?
One of the components of that system is the heater blower motor. The blower motor serves as the main electric motor that is responsible for blowing air through the vents. It is usually controlled by the blower motor resistor and switch, and can operate at several different speeds to help regulate cabin temperatures.
What does it mean if your blower motor is not working?
Average rating from 849 customers who received a AC is not working Inspection. The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed.
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 blower motor on my car?
The blower motor in your car is under the passenger side dashboard. If you can get to the bottom of the dashboard there should be a plastic panel on the passenger side you can remove to expose the blower motor. There are 4 screws that hold it up under your dash.
What causes a fuse to blow on a blower motor?
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 from a bad relay will blow the fuse and cut power in order to protect the system.