How to service the Neutral Safety Switch on the 4R70E/4R75E on Mercury Grand Marquis?

To check the Transmission Position Switch/Sensor of the 4R70E/4R75E, turn off fire suppression system. Disconnect the connector of the selector lever and TR sensor with the vehicle in neutral. Install and remove TR sensor making sure it is aligned and within torque requirements. Check the fire suppression system by reconnecting the components and re-repowering it.

OEM Mercury Grand Marquis Neutral Safety Switch

Transmission Neutral Safety Switch

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3 Neutral Safety Switches found

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Mercury Grand Marquis Neutral Safety Switch Part Number: D6RY-7A247-B
Product Specifications
- Other Name: Switch Assembly - Starter; Back Up Light Switch; Range Sensor; Back-Up Switch; Switch Assembly - Starter Inhibitor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Grand Marquis Neutral Safety Switch Part Number: F8AZ-7F293-AA
$69.62 MSRP: $110.55
You Save: $40.93 (38%)
Product Specifications
- Other Name: Sensor - Manual Lever Position; Range Sensor; Sensor - Manual Lever Position - Mlps
- Manufacturer Note: Digital TRS, FROM 11/10/97
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Neutral Safety Switch Part Number: FOVY-7A247-A
Product Specifications
- Other Name: Switch - Neutral Sensing; Back Up Light Switch; Range Sensor; Back-Up Switch
- Manufacturer Note: 4 PRONG CONN.
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS

Mercury Grand Marquis Neutral Safety Switch

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Mercury Grand Marquis Neutral Safety Switch Parts and Q&A

Neutral Safety Switch
F8AZ-7F293-AA
Q: How to service the Neutral Safety Switch on the 4R70E/4R75E on Mercury Grand Marquis?
A: To check the Transmission Position Switch/Sensor of the 4R70E/4R75E, turn off fire suppression system. Disconnect the connector of the selector lever and TR sensor with the vehicle in neutral. Install and remove TR sensor making sure it is aligned and within torque requirements. Check the fire suppression system by reconnecting the components and re-repowering it.