How to service the Light Control Module on Mercury Grand Marquis?

Service of the Lighting Control Module (LCM) requires first removing the battery ground cable. Before taking out the LCM users should transfer its configuration data to a diagnostic tool since this data becomes necessary during the new module installation. The service of the Lighting Control Module starts with removing the LH instrument panel lower insulator before disconnecting the courtesy lamp and taking out pin-type retainers. Owners must remove their adjustable pedals with both accelerator pedals and shaft when their vehicles have this option. Start by setting the LCM to the side and then uninstall its screws and unlock the locking tab before disconnecting electrical connectors to remove the LCM. Reverse the previous removal steps to achieve installation but verify proper operation afterward. The diagnostic tool needs to transfer the module configuration information into the new LCM following its installation.

How to remove and install the Light Control Module on Mercury Marauder?

The first step to remove the Lighting Control Module (LCM) is disconnecting the battery ground cable. Move on to the removal process of the left-hand instrument panel lower insulator which requires you to detach the pin-type retainers followed by disconnecting the courtesy lamp. Remove the LCM from vehicles with adjustable pedals by first uninstalling the accelerator pedal and extending shaft then position the LCM nearby. A person must remove screws and push the locking tab to detach electrical connectors after which they can extract the LCM. Install the LCM by undoing the removal steps then examine its proper functionality.

OEM Mercury Light Control Module

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13 Light Control Modules found

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Mercury Control Module Part Number: 8S4Z-13C788-A
$177.87 MSRP: $293.33
You Save: $115.46 (40%)
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Product Specifications
- Other Name: Processor - Lighting Control; Lighting Control Module; Controller; Module; Module - Lighting Control
- Manufacturer Note: Module - Lighting Control
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2010-2011 | Base, Hybrid, Premier | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Lighting Control Module Part Number: 5W7Z-13C788-AD
$368.33 MSRP: $630.00
You Save: $261.67 (42%)
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Product Specifications
- Other Name: Processor - Lighting Control
- Replaces: 5W7Z-13C788-AC, LCM-2, 5W7Z-13C788-AA
Fits the following Mercury Models:
- Grand Marquis | 2005 | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L GAS
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Mercury Lighting Control Module Part Number: 4W7Z-13C788-BD
$323.03 MSRP: $536.36
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Product Specifications
- Other Name: Processor - Lighting Control
- Replaces: 4W7Z-13C788-BB, 4W7Z-13C788-BC, LCM-1
Fits the following Mercury Models:
- Grand Marquis | 2003-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Module Part Number: 3W4Z-14B205-EA
$650.87 MSRP: $2488.89
You Save: $1838.02 (74%)
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Product Specifications
- Other Name: Body Control Module
Fits the following Mercury Models:
- Milan | 2006-2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Body Control Module Part Number: F7DZ-14B205-AB
Product Specifications
- Other Name: Control Unit
Fits the following Mercury Models:
- Sable | 1996-1997 | G, GS, LS | 6 Cyl 3.0 L GAS
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Mercury Lighting Control Module Part Number: XW7Z-13C788-BA
Product Specifications
- Other Name: Processor - Lighting; Module - Lighting Control
- Replaces: F8AZ-13C788-BA
Fits the following Mercury Models:
- Grand Marquis | 1998-2000 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Body Control Module Part Number: F8DZ-14B205-AA
Product Specifications
- Other Name: Control Unit
Fits the following Mercury Models:
- Sable | 1998 | GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Body Control Module Part Number: F87Z-14B205-JA
Product Specifications
- Other Name: Module - Multi Function; Module - Multi Function (Gem)
- Manufacturer Note: 4x4
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Lighting Control Module Part Number: F6AZ-13C788-AE
Product Specifications
- Other Name: Control Unit
- Manufacturer Note: Incl.police vehicle
Fits the following Mercury Models:
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Lighting Control Module Part Number: 8W7Z-13C788-C
Product Specifications
- Other Name: Processor - Lighting Control; Module - Lighting Control
- Manufacturer Note: Service Kit
- Replaces: 8W7Z-13C788-A, 8W7Z-13C788-B
Fits the following Mercury Models:
- Grand Marquis | 2008-2011 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Lighting Control Module Part Number: 1W7Z-13C788-BC
Product Specifications
- Other Name: Processor - Lighting Control
- Replaces: 1W7Z-13C788-BB
Fits the following Mercury Models:
- Grand Marquis | 2001-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Lighting Control Module Part Number: FW1Z-13C788-ARM
$110.86 MSRP: $174.36
You Save: $63.50 (37%)
Product Specifications
- Other Name: Remanufactured Processor - Lighting Control
- Replaces: 6W1Z-13C788-BA, 7W1Z-13C788-A, LCM-3
Fits the following Mercury Models:
- Grand Marquis | 2006-2007 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Wiper Control Module, Front Part Number: 9E5Z-14B205-A
Product Specifications
- Other Name: Module - Multi Function (Gem); Wiper Motor Pulse Board Module, Front; Wiper Pulse Module; Module
- Position: Front
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Hybrid, Premier | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX

Mercury Light Control Module

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Mercury Light Control Module Parts and Q&A

Lighting Control Module
1W7Z-13C788-BC
Q: How to service the Light Control Module on Mercury Grand Marquis?
A:
Service of the Lighting Control Module (LCM) requires first removing the battery ground cable. Before taking out the LCM users should transfer its configuration data to a diagnostic tool since this data becomes necessary during the new module installation. The service of the Lighting Control Module starts with removing the LH instrument panel lower insulator before disconnecting the courtesy lamp and taking out pin-type retainers. Owners must remove their adjustable pedals with both accelerator pedals and shaft when their vehicles have this option. Start by setting the LCM to the side and then uninstall its screws and unlock the locking tab before disconnecting electrical connectors to remove the LCM. Reverse the previous removal steps to achieve installation but verify proper operation afterward. The diagnostic tool needs to transfer the module configuration information into the new LCM following its installation.
Lighting Control Module
4W7Z-13C788-BD
Q: How to remove and install the Light Control Module on Mercury Marauder?
A:
The first step to remove the Lighting Control Module (LCM) is disconnecting the battery ground cable. Move on to the removal process of the left-hand instrument panel lower insulator which requires you to detach the pin-type retainers followed by disconnecting the courtesy lamp. Remove the LCM from vehicles with adjustable pedals by first uninstalling the accelerator pedal and extending shaft then position the LCM nearby. A person must remove screws and push the locking tab to detach electrical connectors after which they can extract the LCM. Install the LCM by undoing the removal steps then examine its proper functionality.