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Mercury body & interior repair questions and answers

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405 Questions
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  • AutoMD Member
    AutoMD Member - 2003 Mercury Grand Marquis - Body & Interior - 2/24/2014
    Rear defroster does not work
    The rear defroster does not work. When I check the fuse I found out that I do not have power going to this fuse in the fuse box. Someone told me that the power comes form a relay before it goes to the fuse box. I can't find a relay for this. Any other Ideas>
    • HouseCallAuto
      2/24/2014 HouseCallAuto
      Confirm that fuse 104 (40 amp) is no blown and has battery voltage. this fuse is in the underhood fuse box. The rear defroster relay is located in this same fuse panel and is labeled C1099. Remove this relay and swap it with another relay that visually is the same from another place in the fuse panel (for example the relay labeled C1300 or C1011 might be the same relay) C1300 is the air suspension relay and C1011 is the blower relay..

      If the rear defroster now works you are done - just buy a new relay. If it still does not work then update this post and I will give you more detailed circuit checks that go beyond this if you are able to follow those instructions by using a 12 volt test light for example.
      7/31/2014 AutoMD Member
      I have the same problem and have tried what you said and all is ok what else to try?
  • AutoMD Member
    AutoMD Member - 2006 Mercury Grand Marquis - Body & Interior - 2/19/2014
    Why do my wipers and washer come on by themselves?
    multi switch already changed. wipers also wont settle at the correct position. also wont delay now. also no speed change except for slow(all settings except for high) to high.
    • HouseCallAuto
      2/19/2014 HouseCallAuto
      Replacing the wiper motor will solve this. Been there done that many times.
  • AutoMD Member
    AutoMD Member - 2005 Mercury Grand Marquis - Body & Interior - 1/3/2014
    Why is gear shift lever stuck in park position?
    lighting module has recently been replaced , since replaced cannot shift from park position into drive
    • HouseCallAuto
      1/3/2014 HouseCallAuto
      If your brake lights also do not work, replace the brake light switch or maybe you knocked it out of position while replacing lighting control module?
  • rdoss
    rdoss - 2004 Mercury Grand Marquis - Body & Interior - 12/30/2013
    What could be rattling under the car , i thought it was the heat sheild around muffler
    i removed heat sheild around cattalitic converter do to it rattling amd being dented pretty bad . seemed to quiet the rattling for a while . now the ratttling is back and is getting louder and more often . any help would be great.
    • Jimm
      12/30/2013 Jimm
      Several possibilities; exhaust system, brackets, hangers, catalytic converter, muffler. Need more information - when does the rattle / noise occur?
  • AutoMD Member
    AutoMD Member - 2004 Mercury Grand Marquis - Body & Interior - 11/7/2013
    The dome light stays ON
    Latch switch shorted out
    • HouseCallAuto
      11/7/2013 HouseCallAuto
      Be more specific please. Do you mean all interior lights are staying on or just the dome? Is there a door ajar light illuminated on the panel?
  • AutoMD Member
    AutoMD Member - 2002 Mercury Grand Marquis - Body & Interior - 11/6/2013
    I have the defrost on. Heat and motor runs great. I turn on the floor heat switch and the damper does not switch
    completely to allow heat to flow to the heat exhaust.
    0 answer
  • Dale
    Dale - 1997 Mercury Grand Marquis - Body & Interior - 10/28/2013
    My ignition is hard to turn
    The ignition key is very hard to turn on
    • HouseCallAuto
      10/28/2013 HouseCallAuto
      A new ignition lock cylinder is most likely needed. This is one of the easiest lock cylinders to replace of any car there is. Probably is a youtube video.
  • AutoMD Member
    AutoMD Member - 2000 Mercury Grand Marquis - Body & Interior - 10/26/2013
    Light on and door unlocks automatically
    Light on and door unlocks automatically
    • HouseCallAuto
      10/26/2013 HouseCallAuto
      Insufficient description of the details. Please fill in all the missing details 6 words is just not enough of an explanation.
  • AutoMD Member
    AutoMD Member - 2002 Mercury Grand Marquis - Body & Interior - 10/21/2013
    The blower motor will not run.
    I have junpered the motor to the battery and it runs. I ran a ground wire from the ground side of the blower motor power plug to the ground terminal on the battery and the blower runs at mox speed. What is defective?
    • HouseCallAuto
      10/21/2013 HouseCallAuto
      Probably the blower resistor mounted in the heater / ac housing. Easy to replace and cheap part
  • AutoMD Member
    AutoMD Member - 2006 Mercury Grand Marquis - Body & Interior - 10/19/2013
    What would cause tapping noise in dash of car when ac is on
    noise sounds like something is coming into contact with a can occure at any time.there is no frequency ,it has gone days with no problems and happened every 10 min.the noise started 2 weeks seemes to be comming from behind the a.c.control pannel.when ...
    • HouseCallAuto
      10/19/2013 HouseCallAuto
      The blend door actuator is most likely the cause. This moves a door to control the temperature of the air blowing out by "blending" hot and cold air. When they begin to fail they can make a sharp skipping or snapping clicking whatever you wanna call it.
  • wdr50
    wdr50 - 2009 Mercury Sable - Body & Interior - 10/9/2013
    Radio turns all to static when rear defogger is turned on.
    With car running, radio on, turning on the rear defogger/defroster turns the radio to all static. Radio works great otherwise.
    0 answer
  • jailaco69
    jailaco69 - 2006 Mercury Mountaineer - Body & Interior - 10/4/2013
    The computer keeps teeling me that my door is ajar or that the bck hatch is open. It beeps and turns on lights
    It happens randomly, almost every day. My local mechanic put it on a diagnostic and it showed nothing.
    • HouseCallAuto
      10/4/2013 HouseCallAuto
      Your local mechanic has to check the door inputs with a 2000 dollar scan tool. Not everyone has this, most do. Has to check door data when the door ajar light is on, may show fault codes as well.
  • rocknrod44
    rocknrod44 - 2000 Mercury Grand Marquis - Body & Interior - 10/3/2013
    CD player addition : wiring
    is factory wiring harness present in all models, so all that is needed is to purchase cd changer and install it in trunk and plug it in, or do I have to purchase entire wiring harness. Radio has cd button on face.
    0 answer
  • jailaco69
    jailaco69 - 2006 Mercury Mountaineer - Body & Interior - 10/2/2013
    Why does my computer keep telling me that my door is ajar or that my back hatch is open?
    It beeps and turns on lights, making me have ao shut all lights off with the main switch which prevents me from having dashboard light at night. It also randomly ssets off the alarm.
    • HouseCallAuto
      10/2/2013 HouseCallAuto
      Inside each door there is a door ajar switch that can become stuck and tells you that the door is not closed all the way when it is closed all the way. Since there can be any of the 5 doors causing this (or more than one) it is best left to a mechanic with a scan tool that can see all the door inputs on the display which will determine which door is the cause. It is a strong possibility that the driver door is the cause but you cannot know without the scan tool.
  • esorace14
    esorace14 - 2008 Mercury Milan - Body & Interior - 9/20/2013
    How do I remove the inside door panel to change lock actuator?
    Handle is broken also. I have removed the outer panel. not sure how to remove metal inside panel. Help! Ed
    0 answer