How to replace the Neutral Safety Switch on Buick Century?

In order to replace the pnp switch, one should remove the throttle body air inlet duct. Next, with the help of a special tool, separate the automatic transaxle range selector cable from the wiring harness clip or strap and remove it from the at range selector lever and the at range selector cable bracket. Then, remove the at range selector cable from the console shift control or column shift control and pull it through the dash from the side of the engine compartment. For installation, plug the at range selector cable via the dash from the engine compartment side to attach it to the at range selector cable bracket, and at range selector lever. Cable a cable to a wiring harness clip or strap, and attach it to a console shift control or the column control. Finally re-install the throttle body air inlet duct.

How to Determine if Your Neutral Safety Switch Needs Replacement on Buick Rainier?

Begin the replacement of the park/neutral position switch by engaging the parking brake and putting the transmission in neutral. Use a hoist to lift the car before removing the transmission control lever nut that connects to the manual shaft and pulling off the lever. Follow these steps to replace the park/neutral position switch: disconnect electrical connectors from the switch then remove the bolts which secure the switch to the transmission before removing the switch from the manual shaft. Silence occurs when the switch requires assistance to detach itself from the manual shaft. At such times apply filing actions to the outer shaft perimeter to eliminate burrs. Place the switch hub flats adjacent to manual shaft flats before pushing the switch along the manual shaft until the mounting bracket reaches transmission mounting bosses. New switches will include positive assurance brackets as standard so the neutral position adjustment tool becomes redundant during installation. Install two bolts to the transmission plus the j 41364-a neutral position adjustment tool (J 41364-A) to the switch. Position the tool slots on the switch to match the lower tabs of the tool then apply gentle torque to the two bolts. Adjust the tool to match the upper locator pin with the switch slot before tightening switch bolts to 25 nm (18 ft. Lbs.). First detach the j 41364-a from the switch before you remove the positive assurance bracket. Fasten the control lever nut to 25 nm (18 ft. Lbs.) after reattaching the transmission control lever onto the manual shaft. Connect the electrical connectors and reinstall the manual shaft with its nut to complete the installation. Finally, lower the vehicle and check the switch for proper operation, ensuring the engine starts only in the p (Park) or n (Neutral) positions; proceed to replace the switch if it does not function properly.

OEM Buick Neutral Safety Switch

Transmission Neutral Safety Switch

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30 Neutral Safety Switches found

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Buick Neutral Safety Switch
Part Number: 24221125
$81.16 MSRP: $138.18
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Product Specifications
- Other Name: Switch, Parking/Neutral Position & Back Up Lamp; Back Up Light Switch; Range Sensor; Back-Up Switch; Transmission Safety Starting Switch; Speed Sensing; Back Up Lamp
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Neutral Safety Switch
Part Number: 12450002
$34.97 MSRP: $109.10
You Save: $74.13 (68%)
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Product Specifications
- Other Name: Switch, Transmission Safety Starting Switch Or Speed Sensing; Back Up Light Switch; Back-Up Switch
- Replaced by: 88987185
Fits the following Buick Models:
- Century | 1997 | Custom, Limited | 6 Cyl 3.1 L GAS
- LeSabre | 1996-1999 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1996 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1996-1997 | Custom, Gran Sport, GS, Limited, LS, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Paddle Switch, Black, Driver Side
Part Number: 23156473
$26.57 MSRP: $41.59
You Save: $15.02 (37%)
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Product Specifications
- Other Name: Switch, Automatic Transmission Manual Shift Auxiliary Position; Transmission Range Sensor; Range Sensor; Shift Paddle
- Position: Driver Side
- Replaces: 22771713
Fits the following Buick Models:
- Enclave | 2018-2021 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Paddle Switch, Black, Passenger Side
Part Number: 23156471
$24.10 MSRP: $36.36
You Save: $12.26 (34%)
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Product Specifications
- Other Name: Switch, Automatic Transmission Manual Shift Auxiliary Position; Transmission Range Sensor; Range Sensor; Shift Paddle
- Position: Passenger Side
Fits the following Buick Models:
- Enclave | 2018-2021 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Neutral Safety Switch
Part Number: 1994356
$77.83 MSRP: $157.69
You Save: $79.86 (51%)
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Product Specifications
- Other Name: Switch, Parking; Switch, Transmission Safety Start/Warning
Fits the following Buick Models:
- Century | 1994-1995 | Custom, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
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Buick Paddle Switch, Passenger Side
Part Number: 23156477
$19.69 MSRP: $30.82
You Save: $11.13 (37%)
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Product Specifications
- Other Name: Switch, Automatic Transmission Manual Shift Auxiliary Position; Transmission Range Sensor; Switch, Transmission Control
- Position: Passenger Side
- Replaces: 13297283
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick Neutral Safety Switch
Part Number: 24226755
$84.49 MSRP: $124.09
You Save: $39.60 (32%)
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Product Specifications
- Other Name: Switch, Transmission Control
- Replaces: 24205999
Fits the following Buick Models:
- Lucerne | 2006-2011 | CX, CXL, CXL Special Edition, CXS, Super | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 4.6 L GAS
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Buick Neutral Safety Switch
Part Number: 12450157
Product Specifications
- Other Name: Switch, Transmission Safety Starting Switch Or Speed Sensing; Range Sensor; Switch, Transmission Safety Start/Warning
Fits the following Buick Models:
- Century | 1998-2003, 1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
- LeSabre | 1996-1999 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1997-2003 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1998-2003, 1996 | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
- Rendezvous | 2002 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
- Riviera | 1996-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Neutral Safety Switch
Part Number: 1994362
Product Specifications
- Other Name: Switch Assembly-Parking/Neutral Position; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Starting Switch Or Speed Sensing; Switch, Transmission Safety Start/Warning
Fits the following Buick Models:
- Skylark | 1994-1995 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.1 L GAS
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Buick Neutral Safety Switch
Part Number: 15705308
Product Specifications
- Other Name: Switch, Parking/Neutral Position & Back Up Lamp; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Start/Warning; Switch, Starting Or Temperature Switch; Switch, Back Up Lamp
- Replaces: 15679680
Fits the following Buick Models:
- Roadmaster | 1991-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Neutral Safety Switch
Part Number: 10075403
Product Specifications
- Other Name: Switch, Back Up Lamp; Back Up Light Switch; Back-Up Switch
Fits the following Buick Models:
- Century | 1986-1990 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Buick Neutral Safety Switch
Part Number: 1994290
Product Specifications
- Other Name: Switch Assembly-Automatic Transmission Neutral Start; Back Up Light Switch; Back-Up Switch; Transmission Safety Starting/Sensing; Back Up Lamp
Fits the following Buick Models:
- Century | 1988-1996 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Buick Back-Up Switch
Part Number: 1994299
Product Specifications
- Other Name: Ns Switch; Back Up Light Switch; Switch, Transmission Safety Start/Warning; Switch, Back Up Lamp
Fits the following Buick Models:
- Electra | 1988-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1988-1991 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Back-Up Switch
Part Number: 10094661
Product Specifications
- Other Name: Switch, Back Up Lamp; Back Up Light Switch
Fits the following Buick Models:
- Skylark | 1991-1998 | Base, Custom, Gran Sport, Limited, Luxury Edition, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS
View related parts
Buick Neutral Safety Switch
Part Number: 1994289
Product Specifications
- Other Name: Switch Assembly-Automatic Transmission Neutral Start; Back Up Light Switch; Back-Up Switch; Transmission Safety Starting/Sensing; Back Up Lamp
Fits the following Buick Models:
- Century | 1988-1996 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Buick Neutral Safety Switch
Part Number: 12450159
Product Specifications
- Other Name: Switch, Transmission Safety Starting Switch Or Speed Sensing; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Start/Warning
- Replaces: 11516115
Fits the following Buick Models:
- Skylark | 1996-1998 | Custom, Gran Sport, Limited, Olympic Gold Edition | 4 Cyl 2.4 L GAS, 6 Cyl 3.1 L GAS
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Buick Neutral Safety Switch
Part Number: 1994359
Product Specifications
- Other Name: Switch Assembly-Parking/Neutral Position; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Start/Warning
Fits the following Buick Models:
- Riviera | 1992-1993 | Luxury | 6 Cyl 3.8 L GAS
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Buick Neutral Safety Switch
Part Number: 12450049
Product Specifications
- Other Name: Switch, Transmission Safety Starting Switch Or Speed Sensing; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Start/Warning
- Replaces: 01994361, 01994346, 1994361, 22595527, 1994346
Fits the following Buick Models:
- Skylark | 1994-1995 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.1 L GAS
View related parts
Buick Neutral Safety Switch
Part Number: 1994363
Product Specifications
- Other Name: Switch Assembly-Parking/Neutral Position; Back Up Light Switch; Back-Up Switch; Switch, Transmission Safety Start/Warning
- Replaces: 1994335
Fits the following Buick Models:
- LeSabre | 1992-1995 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1992-1995 | Base, Ultra | 6 Cyl 3.8 L GAS
- Riviera | 1995 | Base | 6 Cyl 3.8 L GAS
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Buick Parking Brake Warning Switch
Part Number: 10136720
Product Specifications
- Other Name: Switch, Parking Brake Indicator
Fits the following Buick Models:
- Regal | 1988-1993 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS

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Buick Neutral Safety Switch Parts Questions & Experts Answers

Neutral Safety Switch
12450157
Q: How to replace the Neutral Safety Switch on Buick Century?
A: In order to replace the pnp switch, one should remove the throttle body air inlet duct. Next, with the help of a special tool, separate the automatic transaxle range selector cable from the wiring harness clip or strap and remove it from the at range selector lever and the at range selector cable bracket. Then, remove the at range selector cable from the console shift control or column shift control and pull it through the dash from the side of the engine compartment. For installation, plug the at range selector cable via the dash from the engine compartment side to attach it to the at range selector cable bracket, and at range selector lever. Cable a cable to a wiring harness clip or strap, and attach it to a console shift control or the column control. Finally re-install the throttle body air inlet duct.
Neutral Safety Switch
24221125
Q: How to Determine if Your Neutral Safety Switch Needs Replacement on Buick Rainier?
A: Begin the replacement of the park/neutral position switch by engaging the parking brake and putting the transmission in neutral. Use a hoist to lift the car before removing the transmission control lever nut that connects to the manual shaft and pulling off the lever. Follow these steps to replace the park/neutral position switch: disconnect electrical connectors from the switch then remove the bolts which secure the switch to the transmission before removing the switch from the manual shaft. Silence occurs when the switch requires assistance to detach itself from the manual shaft. At such times apply filing actions to the outer shaft perimeter to eliminate burrs. Place the switch hub flats adjacent to manual shaft flats before pushing the switch along the manual shaft until the mounting bracket reaches transmission mounting bosses. New switches will include positive assurance brackets as standard so the neutral position adjustment tool becomes redundant during installation. Install two bolts to the transmission plus the j 41364-a neutral position adjustment tool (J 41364-A) to the switch. Position the tool slots on the switch to match the lower tabs of the tool then apply gentle torque to the two bolts. Adjust the tool to match the upper locator pin with the switch slot before tightening switch bolts to 25 nm (18 ft. Lbs.). First detach the j 41364-a from the switch before you remove the positive assurance bracket. Fasten the control lever nut to 25 nm (18 ft. Lbs.) after reattaching the transmission control lever onto the manual shaft. Connect the electrical connectors and reinstall the manual shaft with its nut to complete the installation. Finally, lower the vehicle and check the switch for proper operation, ensuring the engine starts only in the p (Park) or n (Neutral) positions; proceed to replace the switch if it does not function properly.