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Buick 1994287 Switch Assembly, Automatic Transmission Neutral Start

1988-1991 Buick Regal

Customer Questions & Expert Answers (3)
1994287 GM Switch Assembly, Automatic Transmission Neutral Start Illustration 1 of 1
  • Part Description
    SWITCH, Back Up Lamp
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number1994287
    Part DescriptionSWITCH, Back Up Lamp
    Other NamesBack-Up Switch, Neutral Safety Switch
    Item Dimensions5.3 x 3.1 x 12.4 inches
    Item Weight1.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU1994287
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1988-1991 Buick Regal6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.8L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 1994287 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you check regarding the steering column lock, the key position, and the Neutral Safety Switch for the 1990 Pontiac Grand Prix? Posted by Verified Customer
    A:
    Make sure the steering column lock allows the key to go into the Lock position only when the shift lever is in Park (automatic transaxle) or Reverse (manual transaxle). You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jan 27, 2026
    Q:
    What is the first step to replace the Neutral Safety Switch for the 1990 Pontiac Grand Prix? Posted by Kenkel R.
    A:
    First, disconnect the negative cable from the battery, ensuring that the Theftlock audio system's lockout feature is off if applicable. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Sep 13, 2025

Genuine GM Part 1994287, the Right Choice

To ensure reliability, purchase GM part # 1994287 Switch Assembly, Automatic Transmission Neutral Start. It is sometimes referred to as Buick Automatic Transmission Shift Position Sensor Switch, Buick Back Up Light Switch, Buick Neutral Safety Switch. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Regal models.

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