How to Service and Repair the HVAC Control Module on Mercury Grand Marquis?

To service the HVAC module, first depower the SRS. Then, detach the finish panel, disconnect the electrical connector, and remove the four screws to take out the module. Disconnect the vacuum and wire harnesses. To install the new module, reverse the removal steps.

How to Service and Repair the HVAC Control Module on Mercury Mountaineer?

In order to service the HVAC module, it is necessary to remove the center instrument panel finish panel, four screws for securing the module. Take the module out carefully. In case of installation of a new one, set it up to the vehicle initially. Lastly, undo the processes of removal and finish the process.

OEM Mercury HVAC Control Module

Heater Control Assembly

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59 HVAC Control Modules found

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Mercury Heater Control Part Number: AE5Z-19980-N
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: AE5Z-19980-E
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Temperature Control Part Number: 1W7Z-19980-AA
Product Specifications
- Other Name: Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Manufacturer Note: WITH ATC
- Replaces: F8AZ-19980-BA
Fits the following Mercury Models:
- Grand Marquis | 1998-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Temperature Control Part Number: 3W7Z-19980-AA
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Heater Control; Dash Control Unit; Controller
Fits the following Mercury Models:
- Grand Marquis | 2003-2011 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Temperature Control Part Number: 7E5Z-19980-B
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Heater Control; Dash Control Unit
- Replaces: 6E5Z-19980-AA
Fits the following Mercury Models:
- Milan | 2006-2009 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Control Panel Part Number: 8L2Z-19980-A
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Heater Control; Dash Control Unit
- Replaces: 6L2Z-19980-AB
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Heater Control Part Number: AE5Z-19980-L
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: AE5Z-19980-F
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Temperature Control Part Number: F8RZ19980BA
Product Specifications
- Other Name: Control; Climate Control Module; Heater Control
Fits the following Mercury Models:
- Cougar | 1999-2000 | Base, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Heater Control Part Number: 9E5Z-19980-J
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 9E5Z-19980-D
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Heater Control Part Number: AL8Z-19980-A
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 8L8Z-19980-N, 9L8Z-19980-A
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Premier | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Control Panel Part Number: 4L2Z-19980-AC
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Dash Control Unit
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Temperature Control Part Number: F6VZ-19980-AB
Product Specifications
- Other Name: Control; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following Mercury Models:
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Switch Panel Part Number: F87Z-19980-AA
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; HVAC Mode Control Switch; Climate Control Module; Temperature Control; Dash Control Unit
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Dash Control Unit Part Number: FOVY-19980-A
Product Specifications
- Other Name: Control; Climate Control Module
Fits the following Mercury Models:
- Colony Park | 1990-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Grand Marquis | 1990-1991 | GS, LS | 8 Cyl 5.0 L GAS
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Mercury Control Panel Part Number: 1L2Z-19980-AB
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Dash Control Unit
Fits the following Mercury Models:
- Mountaineer | 2002 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Temperature Control Part Number: 1L5Z-19980-AB
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Temperature Control Part Number: 1S8Z19980AA
Product Specifications
- Other Name: Control; Climate Control Module; Heater Control
Fits the following Mercury Models:
- Cougar | 2001-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Temperature Control Part Number: 1S8Z19980BA
Product Specifications
- Other Name: Control; Climate Control Module; Heater Control
Fits the following Mercury Models:
- Cougar | 2001-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Control Panel Part Number: 2L2Z-19980-AB
Product Specifications
- Other Name: Key; HVAC Temperature Control Panel; Climate Control Module; Dash Control Unit
Fits the following Mercury Models:
- Mountaineer | 2002-2003 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Heater Control Part Number: 5F9Z-19980-EA
Product Specifications
- Other Name: Control; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Dash Control Unit Part Number: 6F2Z-19980-AA
Product Specifications
- Other Name: Control; Climate Control Module
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS

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Mercury HVAC Control Module Parts and Q&A

Temperature Control
3W7Z-19980-AA
Q: How to Service and Repair the HVAC Control Module on Mercury Grand Marquis?
A: To service the HVAC module, first depower the SRS. Then, detach the finish panel, disconnect the electrical connector, and remove the four screws to take out the module. Disconnect the vacuum and wire harnesses. To install the new module, reverse the removal steps.
Control Panel
8L2Z-19980-A
Q: How to Service and Repair the HVAC Control Module on Mercury Mountaineer?
A: In order to service the HVAC module, it is necessary to remove the center instrument panel finish panel, four screws for securing the module. Take the module out carefully. In case of installation of a new one, set it up to the vehicle initially. Lastly, undo the processes of removal and finish the process.