How to replace the Neutral Safety Switch on Chevrolet Blazer?

The first step when replacing a park/neutral position switch is to engage parking brake and place transmission in neutral position. Raising the vehicle enables workers to remove a retaining nut from the transmission control lever while also removing the manual shaft's transmission control lever. First remove the electrical connectors from the switch then unscrew and disconnect the bolts that attach the park/neutral position switch to the transmission before extracting the switch from the manual shaft. Use sanding paper to file down the manual shaft exterior when the switch shows resistance to removal. The installation process requires placing switch hub flats in alignment with manual shaft flats while moving the switch onto the shaft until the mounting bracket touches transmission bosses. A newly purchased switch already includes its own positive assurance bracket which bypasses the requirement for using a neutral position adjustment tool. After installing the switch to the transmission with loose bolts, use the j 41364-a park/neutral switch aligner (J 41364-A) to place it onto the switch while checking that the slots match the tool's tabs. Use the tool to turn it so the upper locator pin reaches the slot on the switch then tighten its bolts to 25 nm (18 ft. Lbs.). Take out the j 41364-a then eliminate the positive assurance bracket if it is attached. Reconnect electrical connectors to the switch before installing transmission control lever to manual shaft with the nut; then torque the control lever nut to 25 nm (18 ft. Lbs.). Check the switch operation by lowering the vehicle while ensuring the engine can start exclusively when the vehicle is placed in p (Park) or n (Neutral). Replacement of the device arises when the switch fails to function correctly.

OEM Chevrolet Blazer Neutral Safety Switch

Transmission Neutral Safety Switch

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7 Neutral Safety Switches found

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Chevrolet Blazer Back-Up Switch Part Number: 19152823
$14.18 MSRP: $34.18
You Save: $20.00 (59%)
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Product Specifications
- Other Name: Switch, Back Up Lamp; Back Up Light Switch; Switch, Transmission Safety Starting or Speed Sensing; Safety Start/Warning Switch.
- Replaces: 88996477, 23049569
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2005 Chevrolet Blazer | Base, Cheyenne, LS, LT, Scottsdale, Silverado, Silverado Sport, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Neutral Safety Switch Part Number: 24229422
$79.63 MSRP: $130.34
You Save: $50.71 (39%)
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Product Specifications
- Other Name: Switch, Parking/Neutral Position & Back Up Lamp; Range Sensor; Transmission Safety Starting Switch; Speed Sensing; Back Up Lamp
- Replaced by: 24298931
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2001 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Neutral Safety Switch Part Number: 24221125
$86.84 MSRP: $147.85
You Save: $61.01 (42%)
Ships in 1-2 Business Days
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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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Blazer | Base, LS, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Neutral Safety Switch Part Number: 14094368
$14.91 MSRP: $24.54
You Save: $9.63 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch; Back Up Light Switch; Clutch Switch; Back-Up Switch; Transmission Safety Starting Switch; Engine Clutch Hydraulic Release; Cruise Control.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Blazer | Base, Cheyenne, Silverado, Silverado Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Clutch Switch Part Number: 15027967
$31.20 MSRP: $97.33
You Save: $66.13 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Cruise Control Selector; Switch, Transmission Safety Starting or Speed Sensing; Hydraulic Clutch Main Cylinder.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1996 Chevrolet Blazer | Base, Cheyenne, Silverado, Silverado Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Blazer Parking Brake Warning Switch Part Number: 477361
Product Specifications
- Other Name: Switch Assembly-Parking Brake Indicator; Switch, Parking Brake Indicator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 Chevrolet Blazer | Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL

Chevrolet Blazer Neutral Safety Switch

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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.

Chevrolet Blazer Neutral Safety Switch Parts and Q&A

Neutral Safety Switch
24221125
Q: How to replace the Neutral Safety Switch on Chevrolet Blazer?
A:
The first step when replacing a park/neutral position switch is to engage parking brake and place transmission in neutral position. Raising the vehicle enables workers to remove a retaining nut from the transmission control lever while also removing the manual shaft's transmission control lever. First remove the electrical connectors from the switch then unscrew and disconnect the bolts that attach the park/neutral position switch to the transmission before extracting the switch from the manual shaft. Use sanding paper to file down the manual shaft exterior when the switch shows resistance to removal. The installation process requires placing switch hub flats in alignment with manual shaft flats while moving the switch onto the shaft until the mounting bracket touches transmission bosses. A newly purchased switch already includes its own positive assurance bracket which bypasses the requirement for using a neutral position adjustment tool. After installing the switch to the transmission with loose bolts, use the j 41364-a park/neutral switch aligner (J 41364-A) to place it onto the switch while checking that the slots match the tool's tabs. Use the tool to turn it so the upper locator pin reaches the slot on the switch then tighten its bolts to 25 nm (18 ft. Lbs.). Take out the j 41364-a then eliminate the positive assurance bracket if it is attached. Reconnect electrical connectors to the switch before installing transmission control lever to manual shaft with the nut; then torque the control lever nut to 25 nm (18 ft. Lbs.). Check the switch operation by lowering the vehicle while ensuring the engine can start exclusively when the vehicle is placed in p (Park) or n (Neutral). Replacement of the device arises when the switch fails to function correctly.