Skip the auto shop - Our mechanics make house calls

Q: Heater/air won't turn on

asked by on

The blower is good we tested it, the resistor is also good. But it won't come on on any setting. Any advice?

My car has 150000 miles.
My car has an automatic transmission.

A: Try checking the relay. Sometimes when the ...

Try checking the relay. Sometimes when the relay is not getting a good connection this can happen. I would also check all of the fuses. Sometimes when they have too heavy of a load they will blow which will in turn cause the AC to not work. If you're unable to pinpoint the issue with your A/C, feel free to contact a certified technician, like one from YourMechanic. They'll be able to come to your home to diagnose

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: reduced power and a question with the throttle body.

You got a loss of power due to a fault with the system closing the throttle as a built in safety factor. The reduced power indicator is telling you that it went in to a failure mode and caused the...

Q: AC stopped working after refrigerant was added - 1994 Dodge B350

There are a few areas to consider when dealing with air conditioning problems. First and foremost, the system requires a proper full charge of refrigerant in the lines and working fans both under the hood and in the cabin. If...

Q: car will not crank and ECM.fuse keep blowing and no reverse lights will bad neutral safety switch cause this?

It sounds like you have an electrical issue. Check the DTC connector to make sure you are getting power and ground. A short to ground could be the cause of this concern. It may be possible that the reverse safety...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...