How to remove and install the Neutral Safety Switch on Buick Century?

To remove and install the switch, first apply the parking brake securely, block the wheels, and place the transmission selector in NEUTRAL before disconnecting the shift linkage at the transmission. Next, unplug the electrical harness at the switch, remove the switch mounting bolts, and take out the switch. For installation, align the flats of the new switch with those on the shift shaft, fitting it over the shaft and onto the transmission. If the bolt holes do not align, avoid turning the switch to prevent breaking an internal pin; instead, turn the shift shaft until they do. Install the mounting bolts for the switch, tightening them to 22 ft. lbs. (29 Nm), and reconnect the electrical harness. If the pin is broken, turn the shift shaft two positions from PARK to NEUTRAL, insert a 3/32 in. (2mm) drill bit into the service adjustment hole in the switch, and slowly turn the switch until the drill drops into the switch to a depth of 9/64 in. (3mm). Finally, install the switch mounting bolts, tighten them, and remove the drill bit.

Genuine Buick Neutral Safety Switch

Transmission Neutral Safety Switch

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29 Neutral Safety Switches found

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Buick Switch, Parking/Neutral Position & Back Up Lamp
Part Number: 24221125
$80.80 MSRP: $138.18
You Save: $57.38 (42%)
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Product Specifications
- Other Name: SWITCH, Back Up Lamp
Fits the following Buick Models:
- Rainier | 2004-2007 | 4 DOOR | 6 Cyl 4.2L, 8 Cyl 5.3L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994255
$21.41 MSRP: $104.48
You Save: $83.07 (80%)
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Product Specifications
- Other Name: SWITCH, Transmission Safety Start/Warning; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Century | 1985-1987 | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel
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Buick Switch, Automatic Transmission Man Shift Auxiliary Position
Part Number: 13297281
$27.41 MSRP: $43.11
You Save: $15.70 (37%)
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Product Specifications
- Other Name: SWITCH, Transmission Control; Paddle Switch
Fits the following Buick Models:
- LaCrosse | 2017-2019 | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994333
$119.05 MSRP: $223.10
You Save: $104.05 (47%)
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Product Specifications
- Other Name: SWITCH, Parking/Neutral Position; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Skylark | 1992-1993 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.3L, 6 Cyl 3.3L
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Buick SWITCH,A/TRNS MAN SHFT AUX POSN
Part Number: 23156477
$19.60 MSRP: $30.82
You Save: $11.22 (37%)
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Product Specifications
- Other Name: Paddle Switch
- Replaces: 13297283
Fits the following Buick Models:
- LaCrosse | 2017-2019 | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
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Buick Switch Assembly, Manual Transmission Clutch Start
Part Number: 14103396
$16.96 MSRP: $99.79
You Save: $82.83 (83%)
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Product Specifications
- Other Name: SWITCH, Transmission Safety Starting Switch Or Speed Sensing; Clutch Switch, Neutral Safety Switch
Fits the following Buick Models:
- Skyhawk | 1986-1989 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR NOTCHBACK, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, SPORT 2 DOOR, STATION WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
- Skylark | 1987 | 2 DOOR, CUSTOM, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 3.0L
- Somerset | 1987 | 2 DOOR, CUSTOM, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 3.0L
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Buick Switch Asm,Automatic Transmission Man Shift Shaft Position
Part Number: 24226755
$84.12 MSRP: $124.09
You Save: $39.97 (33%)
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Product Specifications
- Other Name: SWITCH, Transmission Control; Neutral Safety Switch
- Replaces: 24205999
Fits the following Buick Models:
- Lucerne | 2006-2011 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS, V6 CX/CXL 4 DOOR, V8 CXL/SUPER 4 DOOR, V8 SUPER SERIES 4 DOOR | 8 Cyl 4.6L
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Buick SWITCH A
Part Number: 14047186
$24.71 MSRP: $35.51
You Save: $10.80 (31%)
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Product Specifications
- Other Name: SWITCH, Back Up Lamp; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Skyhawk | 1984-1989 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 2 DOOR NOTCHBACK, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, SPORT 2 DOOR, STATION WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
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Buick Switch, Parking/Neutral Position & Back Up Lamp
Part Number: 15705308
Product Specifications
- Other Name: SWITCH, Back Up Lamp; Back-Up Switch, Neutral Safety Switch
- Replaces: 15679680
Fits the following Buick Models:
- Estate Wagon | 1987-1989 | ESTATE WAGON | 8 Cyl 5.0L
- Lesabre | 1988-1990 | ESTATE WAGON | 8 Cyl 5.0L
- Roadmaster | 1991-1993 | 4 DOOR, LIMITED SEDAN, STATION WAGON | 8 Cyl 5.0L, 8 Cyl 5.7L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994223
Product Specifications
- Other Name: SWITCH, Back Up Lamp; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Century | 1982-1984 | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel
- Skyhawk | 1982-1984 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, STATION WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
- Skylark | 1982-1985 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994253
Product Specifications
- Other Name: SWITCH, Transmission Safety Start/Warning; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Century | 1985-1987 | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel
- Reatta | 1988-1990 | 2 DOOR, CONVERTIBLE, REATTA, RIVIERA, T TYPE | 6 Cyl 3.8L
- Regal | 1988-1993 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
- Riviera | 1986-1990 | 2 DOOR, CONVERTIBLE, REATTA, RIVIERA, T TYPE | 6 Cyl 3.8L
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Buick Switch Assembly, Parking/Neutral Position
Part Number: 1994350
Product Specifications
- Other Name: SWITCH, Transmission Safety Start/Warning; Neutral Safety Switch, Range Sensor
Fits the following Buick Models:
- Regal | 1993-1995, 1988-1991 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994256
Product Specifications
- Other Name: SWITCH; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Skyhawk | 1985-1989 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 2 DOOR NOTCHBACK, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, SPORT 2 DOOR, STATION WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
- Skylark | 1988-1991 | 4 DOOR, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED 2 DOOR, LUXURY EDITION 4 DOOR, SKYLARK | 4 Cyl 2.3L
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Buick Switch Assembly, Automatic Transmission Neutral Start
Part Number: 1994287
Product Specifications
- Other Name: SWITCH, Back Up Lamp; Back-Up Switch, Neutral Safety Switch
Fits the following Buick Models:
- Regal | 1988-1991 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
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Buick Switch Assembly, Parking Brake Indicator
Part Number: 10136720
Product Specifications
- Other Name: SWITCH, Parking Brake Indicator; Parking Brake Warning Switch
Fits the following Buick Models:
- Regal | 1988-1993 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L
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Buick Switch Asm,Neutral Start Trans
Part Number: 14085143
Product Specifications
- Other Name: SWITCH, Trans Neutral Start
Fits the following Buick Models:
- Skyhawk | 1982-1984 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, STATION WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
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Buick Switch Asm,Neutral Start Trans
Part Number: 14080678
Product Specifications
- Other Name: SWITCH
Fits the following Buick Models:
- Skylark | 1982-1985 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L
View related parts
Buick Switch Asm, Parking/Neutral Position
Part Number: 26030960
Product Specifications
- Other Name: SWITCH, Transmission Safety Start/Warning
Fits the following Buick Models:
- Regal | 1994-1996 | 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 4 DOOR | 6 Cyl 3.1L, 6 Cyl 3.8L
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Buick Switch Assembly, Torque Converter Clutch Temperature
Part Number: 8673634
Product Specifications
- Other Name: SWITCH, Transmission Safety Starting Switch Or Speed Sensing
Fits the following Buick Models:
- Roadmaster | 1991-1993 | 4 DOOR, LIMITED SEDAN, STATION WAGON | 8 Cyl 5.0L, 8 Cyl 5.7L
View related parts
Buick Switch Asm,Neutral Start Trans
Part Number: 14080663
Product Specifications
- Other Name: SWITCH, Trans Neutral Start
Fits the following Buick Models:
- Skyhawk | 1985 | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, T-TYPE 2 DOOR | 4 Cyl 1.8L, 4 Cyl 2.0L
- Skylark | 1986 | CUSTOM, LIMITED, LIMITED 2 DOOR, SOMERSET, T-TYPE | 4 Cyl 2.5L, 6 Cyl 3.0L
- Somerset | 1985-1986 | CUSTOM, LIMITED, LIMITED 2 DOOR, REGAL, REGAL LIMITED, SOMERSET, T-TYPE | 4 Cyl 2.5L, 6 Cyl 3.0L
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Buick Neutral Safety Switch

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Buick Neutral Safety Switch Parts Questions & Experts Answers

Switch Assembly, Automatic Transmission Neutral Start
1994223
Q: How to remove and install the Neutral Safety Switch on Buick Century?
A: To remove and install the switch, first apply the parking brake securely, block the wheels, and place the transmission selector in NEUTRAL before disconnecting the shift linkage at the transmission. Next, unplug the electrical harness at the switch, remove the switch mounting bolts, and take out the switch. For installation, align the flats of the new switch with those on the shift shaft, fitting it over the shaft and onto the transmission. If the bolt holes do not align, avoid turning the switch to prevent breaking an internal pin; instead, turn the shift shaft until they do. Install the mounting bolts for the switch, tightening them to 22 ft. lbs. (29 Nm), and reconnect the electrical harness. If the pin is broken, turn the shift shaft two positions from PARK to NEUTRAL, insert a 3/32 in. (2mm) drill bit into the service adjustment hole in the switch, and slowly turn the switch until the drill drops into the switch to a depth of 9/64 in. (3mm). Finally, install the switch mounting bolts, tighten them, and remove the drill bit.