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GM 12479776
Back-Up Switch

2001-2006 GM

Customer Questions & Expert Answers (23)
GM 12479776 Back-Up Switch
GM 12479776 Back-Up Switch
  • Part Description
    Switch Assembly, Back Up Lamp; Back Up Light Switch
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12479776
    Part DescriptionSwitch Assembly, Back Up Lamp; Back Up Light Switch
    Other NamesSwitch, Back Up Lamp
    Item Dimensions2.1 x 1.0 x 1.1 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12479776
    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 Trim Engine
    2002-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2002-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 1500Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2005-2006, 2001-2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2001-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2001-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12479776 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12479776 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done if it is equipped with 4-wheel drive (4WD) for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Remove the front propeller shaft.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    How do you install the new PNP switch for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Align the PNP switch with the manual shaft flats and slide it onto the manual shaft until the switch mounting bracket contacts the transmission mounting bosses.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    How should the PNP switch bolts be installed for the 2006 Cadillac Escalade EXT? Posted by Customer
    A:
    Install the PNP switch bolts finger tight.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What is the next step after removing the aligner for the 2005 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Reinstall the transmission control lever onto the manual shaft with the nut, tightening it to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should be done after aligning the PNP switch with the tool for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Tighten the bolts to 25 Nm (18 ft. lbs.), then remove the J 41364-A and, if applicable, the positive assurance bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should be ensured before installing the new switch for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Ensure the seal is installed on the new switch before proceeding.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How do you align and tighten the switch for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Rotate the tool until the upper locator pin aligns with the slot on the switch, then tighten the bolts to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    How should the backup lamp switch be installed for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the backup lamp switch and tighten it to 28 Nm (21 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How do you position the selector shaft for installation for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    Rotate it to its furthest clockwise position and then counter-clockwise two detents.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    How should the PNP switch bolts be installed for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Install the PNP switch bolts finger tight.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should you ensure regarding the switch's operation for the 2002 Chevrolet Tahoe? Posted by Customer
    A:
    Ensure the engine starts only in the P (Park) or N (Neutral) positions; if it does not operate correctly, replace the switch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should be done if it has 4WD after reconnecting the PNP switch for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Reinstall the front propeller shaft, lower the vehicle, and check the PNP switch for proper operation.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should be ensured when installing the new switch for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Ensure to tighten it to 20 Nm (15 ft. lbs.) as per the fastener notice.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How do you install the new Park/Neutral Position Switch for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    Align the switch hub flats with the manual shaft flats and slide the switch onto the manual shaft until the mounting bracket contacts the transmission's mounting bosses, ensuring not to tighten the bolts at this stage.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What should be done after raising the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Disconnect the backup lamp switch electrical connector and remove the backup lamp switch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    What is the first step to replace the backup lamp switch on the NV 3500 with a manual transmission for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    First, raise and suitably support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How should the PNP switch bolts be installed for the 2005 GMC Yukon? Posted by Customer
    A:
    Install the PNP switch bolts finger tight.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    Q:
    What is the next step after disconnecting the electrical connector for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Remove the backup lamp switch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    What is the final step before lowering for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Lower the vehicle after reconnecting the electrical connectors.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    What is the first step to replace the backup lamp switch on the NV 3500 for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    First, raise and suitably support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How should the backup lamp switch be installed for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Install the backup lamp switch and tighten it to 28 Nm (21 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Back Up Light Switch
    Q:
    How should the switch be installed for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Align the switch hub flats with the manual shaft flats and slide the switch onto the shaft until the mounting bracket contacts the transmission bosses.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Neutral Safety Switch
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12479776, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 12479776 Back-Up Switch. It is sometimes referred to as GM Automatic Transmission Shift Position Sensor Switch, GM Back Up Light Switch, GM Neutral Safety Switch. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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