How to service and repair the ignition switch on Mercury Grand Marquis?

In order to service the ignition switch, switch off the SRS. To unlock the ignition switch cylinder, make the ignition switch cylinder position to RUN and push the release tab. Revoke the tilt lever, upper shroud and screws. Unlink the ignition switch, take it off and put it back in with screws being tightened to defined torque. Repower the SRS.

OEM Mercury Grand Marquis Ignition Switch

Starter Ignition Switch

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Ignition Switches found

View related parts
Mercury Grand Marquis Ignition Switch Part Number: F4DZ-11572-B
$46.77 MSRP: $75.45
You Save: $28.68 (39%)
ADD TO CART
Product Specifications
- Other Name: Switch Assembly - Ignition
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-2004 Mercury Grand Marquis | GS, LS, LSE | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Grand Marquis Ignition Switch Part Number: F29Z-11572-D
$31.49 MSRP: $50.00
You Save: $18.51 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly - Ignition; Ignition Starter Switch
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1989 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
View related parts
Mercury Grand Marquis Ignition Switch Part Number: 5W1Z-11572-AA
$41.23 MSRP: $65.47
You Save: $24.24 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly - Ignition
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Ignition Switch

Welcome to our website where you can discover high-quality, genuine Mercury Grand Marquis Ignition Switch. We offer an extensive inventory of OEM Mercury Grand Marquis Ignition Switch at affordable prices. We are committed to providing top-rated customer service along with prompt delivery.

Mercury Grand Marquis Ignition Switch Parts and Q&A

Ignition Switch
5W1Z-11572-AA
Q: How to service and repair the ignition switch on Mercury Grand Marquis?
A: In order to service the ignition switch, switch off the SRS. To unlock the ignition switch cylinder, make the ignition switch cylinder position to RUN and push the release tab. Revoke the tilt lever, upper shroud and screws. Unlink the ignition switch, take it off and put it back in with screws being tightened to defined torque. Repower the SRS.