Question about 2009 Ford Focus

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What is happening to my electrical system?

I came home to find the rear lights and front amber lights on, I used my key fob to open the car and the lights went out. I tested the car to see if the battery had died and the car started up so I figured someone triggered the security system (Karr Alarm). Went to start my car a couple of days later and the car was dead. Replaced the battery and noticed the front amber lights came on despite the lights being turned off and the car off. Fearing the battery would die, I have been disconnecting the battery until I need to drive it but now I am experiencing other issues like the door locks opening or closing while driving at highway speeds and 30-40 minutes into my commute. My AC has also suddenly acted up, the AC works but will only blow to the floor regardless of any settings I set the AC to.

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  • Master
  • 776 Answers

Check if there is a recall on this with your local ford dealer - it sounds familiar. Otherwise, take it to a local "auto electric" shop. Google that phrase with your city name and zip code. Something will usually come up. Most mechanics are not good at solving electrical problems.

Posted on May 08, 2014

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Posted on Jan 02, 2017

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SOURCE: electrical problems

Sound like the car is not recharging the battery as you drive. Take it to a different shop and ask them to test the alternator and entire charging system as well as the battery.

Posted on Oct 14, 2008

ams51pr
  • 21 Answers

SOURCE: 2004 Ford Escape Electrical problem

This is a problem with the alternator. Diode rectifiers and voltage regulator replacement will give this baby a 14.2 voltage output. In this 3L V6 SUV removal of the alternator requires removing the right tire, the right axis and undercovering to reach the 6G alternator. It is a 133mm rectifier with a motorcraft, The serpentine belt is better removed from the bottom. Also keep a bucket on hand to recover the oil from the transmission.

Posted on Jan 15, 2009

MrScary66613
  • 1990 Answers

SOURCE: battery goes dead

You need to Check out the Alternator.

Posted on Jan 17, 2009

  • 23 Answers

SOURCE: 2001 ford escape won't start

immobilizer has kicked in

Posted on Feb 24, 2009

  • 130 Answers

SOURCE: Remote key fob suddenly stopped work

Check out page 57 of the manual:

http://www.motorcraftservice.com/pubs/content/~WO6FOC/~MUS~LEN/41/06focog4e.pdf

If that doesn't work, it sounds like a trip to the dealer.

Posted on May 02, 2009

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1 Answer

The rear door on my 2010 highlander says it's open and getting nuisance alarms. I know the sensor is in the locking mechanism, however that part is $400. Where is the door ajar chime so I can remove it?


Here is what another Highlander owner said: "2010 Highlander 4WD: System check panel I indicating the rear door is open, when it's not. Been to dealer 3 times. Car has 6000 miles on it. The rear door open indicator effects door locking ability with key fob as well as continual chime indicating rear door is open in conjunction with turning dome light off and on. Dealer thought it was rear door strike plate. Adjusted accordingly. This was not the problem. 3rd visit to dealer still trying to pinpoint why this is happening so far no luck. Electrical bad door sensor faulty electrical door switch this problem is very annoying and now times consuming 3 visits to the dealer and still no solution. Rear door open indicator initially made to stop by rolling down driver side window at highway speed. Indicator also made to go off when road turns to the left only. <- " moisture causing short in rear door electrical switch" maybe.

something like this. You can remove it.

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I have a 2007 ES 350. Changed key fob battery,now nothing works. Only immobilizer security light is flashing and engine start stop button has amber colored light on


Be sure to use the correct battery, properly in place, clean the key contacts , See owner's manual for additional information.
There are specialized locksmiths for car keys

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Locked trunk


The release contact switch must be dirty and corroded...you will have to jiggle the rear hatch...when trying to open again...when open spray the hold down bracket, and the under side of the hatch that makes contact...the best spray for this is PB Blaster, available at Walmart auto parts section...this will not hurt the electric contacts...as you still cannot open the rear hatch, you will need to remove the inside panel of the rear hatch to expose the release arm on the inside of the hatch. Hope this helps.

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My 2003 kia optima recently skid off the snowy road and crashed into a guardrail. The left front light assembly was broken with some radiator, grill, and hood damage. It was recommended that the left...


Well, it depends on whyyour key fob is not working. It could be that the key fob itself has been damaged by any number of things including getting wet, dropping it, etc. It could be that the key fob just needs a new battery. (This would be maintenance)

On the other hand, it could be that the reciever in the car may have been damaged as a result of the accident. The only way to know for sure is to have your keyless entry system properly diagnosed to find the cause of the key fob not working to open the doors.

The only other suggestion I have is to try your other key fob if you have more than one.

Jan 07, 2011 | 2003 Kia Optima

1 Answer

'98 Saturn SL1 won't start. Alarm system behaving strangely. Have power, turn key-nothing. Then it will start for no reason. Drove it home (20 miles), shut it off and it won't start again. Changed battery...


I had this same exact problem in a family member's Saturn. If you are opening the door with the key and not using the key FOB to unlock the doors, then the security system will not allow you to start the car. You will notice when this happens that the dome light will blink and you'll hear the relay in the BCM clicking.

In order to stop the security system from doing this: Make sure the car is locked with the key fob by hitting the lock button. Then hit the unlock button on the key fob once and then once again (I do it out of habit). Then open the driver side door, put the key in and it should start no problem.

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Stock stereo wiring diagram for 2003 cadillac cts


there are 2 diagrams listed, one is correct, match the listed wire colors to your car to choose the correct one.
!.
Car Radio Battery Constant 12v+ Wire: Pink
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Gray
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6 1/2′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Blue
Right Front Speaker Positive Wire (+): White
Right Front Speaker Negative Wire (-): Black
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Side Panels
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Purple
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Pink


2.
Car Radio Battery Constant 12v+ Wire: Yellow
Car Radio Accessory Switched 12v+ Wire: Green/Black
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: Green/White
Car Stereo Amplifier Location: Under the Passenger Front Seat.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): Black
Right Front Speaker Positive Wire (+): Yellow
Right Front Speaker Negative Wire (-): Brown
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Black/Red
Right Rear Speaker Positive Wire (+): Blue
Right Rear Speaker Negative Wire (-): Black/White



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2 Answers

Car won't start


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Feb 23, 2009 | 2006 Infiniti M35

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