Question about 2005 Mercury Grand Marquis

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The lighting control module in my 2005 grand marquis failed. How do one replace it?

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You don't have to replace it yourself. Ford will now do it for you for free. If you have a 1999-2011 Mercury Marquis, Mercury Marauder, or Crown Victoria, and your headlights and or tail lights don't work, Ford just finally EXTENDED THE WARRANTY on your LCM (Lighting Control Module) for free - both parts and labor, and will install a new one for free! This is NOT a Recall. Ford has extended the warranty to 15 years/250,000 miles. It must be done at a Ford Dealer and the fix is free. Call your local ford Dealer and tell them you need to make an appointment because your headlights don't work and Ford has extended your warranty on the LCM. Tell them it is the Customer Satisfaction Program 14N01. Have your Vin number ready as they will ask for it. You don't have to be the original owner. If they act like they don't know what you are talking about ask to talk to the manager or tell them to call Ford Motor Company and ask them, or you can call Ford yourself. We had ours done at a Ford dealer in August of 2014 in Scottsdale, AZ. It is a 15 year warranty and if you have a 1999, the deadline might have passed, but call them and ask them to see if it has. Maybe it hasn't."

Repeat: You don't have to be the original owner.

Posted on Feb 12, 2016

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Just unscrew the srews unplug,plug in new one and screw back on no programming required

Posted on Nov 25, 2010

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Posted on Jan 02, 2017

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1 Answer

2005 merc grand marquis Headlights keep blowing a fuse


Does your Grand Marquis have head lamps with auto lamps ? Which fuse keeps blowing ? Could be a shorted LCM - lighting control module ?

Lighting Control Module (LCM)
The LCM eliminates the electronic interference and heat associated with the thermoelectric devices used previously. The LCM is a microprocessor-based module that controls several vehicle subsystems. It responds to electrical input signals from various switches, sensors, and external modules..

Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
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1 Answer

2005 mercury grand marquis driver air bag circut open after replacing airbag,clock spring,and control module


You need to have the system checked for what the fault code is...are you sure it's the drivers side air bag or the drivers side, side air bag(located in the seat back?)They're could be a problem with the wiring under the seat.

May 12, 2014 | 2005 Mercury Grand Marquis

1 Answer

2005 Grand Marquis multiple codes.


Ford P061B Diagnostics Common Causes and Checks

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May 02, 2017 | 2005 Mercury Grand Marquis

1 Answer

Heater and airconditioner control on mercery grand marquis


If the fan will not run on ANY speed in your Grand Marquis, the problem is most likely NOT the control switch.

Check for power and ground at the blower motor connector. If power and ground is present, replace the blower motor. Otherwise, the problem is most likely a failed blower speed control module (VERY common). The blower motor speed controller is located in the A/C evaporator housing just below the heater hoses.

Note: It is also common for a bad blower motor to CAUSE the controller to go bad. You MAY have to replace BOTH.

May 17, 2012 | 2001 Mercury Grand Marquis

2 Answers

Want to replace LCM 2005 Mercury Grand Marquis


The Lighting Control Module can only be replaced by the dealer or by someone who has the factory scan tool. The new module has a blank memory in it. The tech needs to upload the memory from the old module, then donload it into the new module.
Sorry to burst your bubble.

Mar 11, 2011 | 2005 Mercury Grand Marquis

5 Answers

My headlights go out on my 2005 Grand Marquis GS 2005 after about 5-10 minutes I only have 48,000 miles on the car. Could it be the LCM, the multifunction switch or the light switch


sounds like Lighting Control Module. Uder dash above steering column. Guy on ebay fixes them for $100. $400 new.
type mercury grand marquis LCM or lighting control module onebay. Ginolena I think.

Dec 09, 2010 | 2005 Mercury Grand Marquis

2 Answers

Location of light control module for 2003 grand marquis


above brake pedal. You can get it out w/o removing anything else.
buy from tascafordparts.com at discount. Expensive!!!

Jul 22, 2010 | 2003 Mercury Grand Marquis

1 Answer

Where is the headlight control module on 2005 grand marquis located


your lcm is located under the steering wheel to your right its that rectangle box with a connector showing.

Jun 17, 2010 | 2005 Mercury Grand Marquis

1 Answer

HI, I HAVE A 99 GRAND MARQUIS WITH LIGHTING PROBLEMS THAT DRAINS BATTERY.AT FIRST THE INTERIOR LIGHTS CAME ON AT ANY TIME.I REMOVED ALL INTERIOR BULBS.NOW I AM SHOWING A SHORT IN FUSE 11 IN HI-AMP FUSE...


the LCM is under the dash just above the steering column. It is $400. Get one on ebay only for your year and model. others won't work.

pleae rate

SECTION 419-10: Multifunction Electronic Control Modules 1999 Crown Victoria/Grand Marquis Workshop Manual
REMOVAL AND INSTALLATION Module —Lighting Control (LCM) Removal
  1. sxa~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of module, it is necessary to upload module configuration information to New Generation STAR (NGS) Tester. This information needs to be downloaded into the new module once installed. For additional information; refer to Section 418-01 .
    sxa~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.
    Disconnect the battery ground cable.
  1. Remove the LH instrument panel lower insulator.
    1. Remove the pin-type retainers.
    1. Disconnect the courtesy lamp.
    1. Remove the LH instrument panel insulator.
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  1. Position the LCM aside.
    1. Remove the screws.
    1. Release the locking tab.
    1. Position the LCM aside.
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  1. Remove the LCM.
    1. Disconnect the electrical connectors.
    1. Remove the LCM.

Nov 19, 2009 | 1999 Mercury Grand Marquis

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