How to check and replace the Neutral Safety Switch on Chevrolet Blazer?

As of 1995 models, this switch makes sure your engine can only start when you have it either in Park or Neutral. Additionally, it completes the circuit connecting your backup lights when you switch to Reverse. When you start the engine and it's not in Park or Neutral, the switch that controls this needs either readjusting or replacing. Glue the safety stand under the car and disconnect the power wire from the control switch. When the key is off, look for current flowing between the switch terminals: there should be connection when the shift lever is in Park or Neutral and no connection in other positions, except for connection to the back-up lights while Reverse is chosen. When the switch shows problems, adjust it first and try again. If the switch keeps failing tests, you must replace it. Before taking off the shift control switch, apply the parking brake and put the transmission into neutral. Cut power from the vehicle, lift it onto jack stands, disconnect the battery's negative end, remove the shaft nut, unplug the electrical connection, unscrew the mounting bolts, and pull the switch off the shaft using care. To put the switch in, follow the manufacturer's guide to adjust it with their special tool. Make sure the detents match the tool's points and the locator pin is right where it should be. Before putting the switch on the shaft, clean away any rough edges and smooth them with a file. Then center the switch's flat sides over the shaft's flat sides, place it on, and slide until the mounting bracket's bottom touches the transmission ears. After putting the switch mounting bolts on and tightening them to their needed force, take out the tool for adjustments, and you're done with the installation. Turn everything back around to cut it all loose like you did at the beginning, except fasten the handle's holding nut to the correct tightness.

Genuine Chevrolet Blazer Neutral Safety Switch

Transmission Neutral Safety Switch

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10 Neutral Safety Switches found

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Chevrolet Blazer Switch, Parking/Neutral Position & Back Up Lamp
Part Number: 24229422
$74.10 MSRP: $138.86
You Save: $64.76 (47%)
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Product Specifications
- Other Name: SWITCH, Back Up Lamp; Neutral Safety Switch, Range Sensor
- Replaced by: 24298931
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2003 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer Switch, Parking/Neutral Position & Back Up Lamp
Part Number: 24221125
$80.80 MSRP: $138.18
You Save: $57.38 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SWITCH, Back Up Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer Switch Asm, Parking/Neutral Position & Back Up Lamp
Part Number: 19152823
$12.94 MSRP: $36.43
You Save: $23.49 (65%)
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Product Specifications
- Other Name: SWITCH, Back Up Lamp; Back-Up Switch
- Replaces: 88996477, 23049569
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2005 Chevrolet Blazer | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Switch,Clutch Pedal Position
Part Number: 15027967
$53.54 MSRP: $97.33
You Save: $43.79 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SWITCH, Transmission Safety Starting Switch Or Speed Sensing; Clutch Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer Switch,Manual Transmission Clutch Start
Part Number: 14094368
$14.55 MSRP: $24.07
You Save: $9.52 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SWITCH, Transmission Safety Starting Switch Or Speed Sensing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Blazer | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Switch Assembly, Parking Position
Part Number: 23190137
$24.83 MSRP: $41.07
You Save: $16.24 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SWITCH, Transmission Shift Brake Interlock; Switch
- Replaces: 26054721
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2005 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Switch Assembly, Manual Transmission Neutral Start
Part Number: 15598491
Product Specifications
- Other Name: SWITCH
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Blazer | 1/2 TON | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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Chevrolet Blazer Switch Assembly, Parking Brake Indicator
Part Number: 477361
Product Specifications
- Other Name: SWITCH, Parking Brake Indicator; Parking Brake Warning Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Switch Assembly, Torque Converter Clutch Temperature
Part Number: 8673634
Product Specifications
- Other Name: SWITCH, Transmission Safety Starting Switch Or Speed Sensing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1992 Chevrolet Blazer | 1/2 TON | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel

Chevrolet Blazer Neutral Safety Switch

The feature that has been put across in the Chevrolet Blazer automobiles as the Neutral Safety Switch is an important safety device whose purpose is to ensure that the engine will not fire unless the transmission is in the neutral or park. By doing this, shifting ensures that car does not move when starting, a factor that increases safety in car to the driver and other passengers. Several types of Neutral Safety Switches have been used in the Blazer through the years with the primary application being the same, however, possibly fashioned or mounted in a dissimilar way. Such differences may be as a result of improvement in technology or alteration in design of the vehicle but all serve the purpose of preventing movement of vehicles during starting up.

Each OEM Chevrolet Blazer Neutral Safety Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Blazer Neutral Safety Switch Parts Questions & Experts Answers

Switch,Manual Transmission Clutch Start
14094368
Q: How to check and replace the Neutral Safety Switch on Chevrolet Blazer?
A: As of 1995 models, this switch makes sure your engine can only start when you have it either in Park or Neutral. Additionally, it completes the circuit connecting your backup lights when you switch to Reverse. When you start the engine and it's not in Park or Neutral, the switch that controls this needs either readjusting or replacing. Glue the safety stand under the car and disconnect the power wire from the control switch. When the key is off, look for current flowing between the switch terminals: there should be connection when the shift lever is in Park or Neutral and no connection in other positions, except for connection to the back-up lights while Reverse is chosen. When the switch shows problems, adjust it first and try again. If the switch keeps failing tests, you must replace it. Before taking off the shift control switch, apply the parking brake and put the transmission into neutral. Cut power from the vehicle, lift it onto jack stands, disconnect the battery's negative end, remove the shaft nut, unplug the electrical connection, unscrew the mounting bolts, and pull the switch off the shaft using care. To put the switch in, follow the manufacturer's guide to adjust it with their special tool. Make sure the detents match the tool's points and the locator pin is right where it should be. Before putting the switch on the shaft, clean away any rough edges and smooth them with a file. Then center the switch's flat sides over the shaft's flat sides, place it on, and slide until the mounting bracket's bottom touches the transmission ears. After putting the switch mounting bolts on and tightening them to their needed force, take out the tool for adjustments, and you're done with the installation. Turn everything back around to cut it all loose like you did at the beginning, except fasten the handle's holding nut to the correct tightness.