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Re: There is no heat or AC plus fan c ontrol does not...
Are their any codes showing up? i'm assuming when the car was jumped the ignition was on, if so this could and can cause a lot of them! one thing you can try is to disconnect the two battery cables,leave them off for 10-15mins,reinstall,negitive first then the positive, again make sure everything is in the off position! good luck to u, hope we helped!
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I was told about that and what I remember is this:....The history that the car's computer has stored to keep your car running properly is lost when the battery goes dead....then when the battery is charged the computer has to gain back all that data to properly tune your car. Suposidly it takes 30 starts and drives to regain enough data to get back where you were.
Some are not sure that's true but I believe it.
You said you tightened the battery cables, did you check the other end of the negative where it bolts to the engine. When you tightened the cables you also used a battery brush and cleaned the posts and ends?
Hi, there will be diodes in the generator that are letting the power from the battery drain away through the parked times when not in use. to prove it charge the battery- then disconnect the negative terminal on the battery, connect 24 hours later and see if the battery as kept it charge, if so - fit new alternator, good luck.
It sounds like the alternator belt or the alternator is going bad. The squealing sound was probably the alternator belt. the alternator belt might need to get tightened or replaced or you may need a new alternator. The alternator keeps the battery charged. When the alternator goes bad the battery can not be recharged. You also should keep the power steering fluid up to par or the power steering will go bad on you.
I have the same problem with my 2007 Escape Hybrid... First experienced it about 1 year ago. The vehicle produces periodic sounds like an electric motor running for several seconds. I believe this is from the motor driven safety relay that disconnects and reconnects the high voltage hybrid battery when the vehicle is not in use. I also can hear a high frequency scream that sounds like a switching inverter power supply. If the vehicle is unused for a day or two the 12V battery is discharged and a jump is needed to start the engine. Ford service could not diagnose the problem. The +12V battery tested OK, but since it was almost 3 years old it was replaced anyway. This helped for a while, but the problem returned after I recently left the vehicle unused for several days. I know the battery is good, it tests OK and is less than one year old! Somewhat reluctant to go back to the same Ford service agency because of their previous failure to fix it. Please advise if you have found a solution or have additional information. This is the only problem I have ever had with the hybrid Escape, but it is very annoying. I am forced to carry a jumper battery to make sure I don't get stranded.
I had a similar problem. It was driving me crazy. If car sat for more that 3-4 hours I would have a dead battery. It turns out that this apparently is a relatively common problem with BMWs. What was occurring is that the blower fan for the ac/heater was randomly turning on and off while the car sat. If the car sat for more than a couple of hours, the fan was draining the battery. It was about a $250 fix at the shop.