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GM 12450066
Turn Signal Switch

2002-2007 GM

Customer Questions & Expert Answers (37)
GM 12450066 Turn Signal Switch
  • Part Description
    Switch Assembly, Turn Signal & Headlamp Dimmer, Wiper & Washer (W/Lever); Multi Purpose Switch
  • Manufacturer
    General Motors
Make sure this part fits
$131.50 MSRP: $246.94
You Save: $115.44 (47%)
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  • 12450066 Turn Signal Switch is Ref No. 24 in the diagram below

    2004 Oldsmobile Bravada Turn Signal Switch Diagram for 12450066
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12450066

  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2007 Buick RainierCXL, CXL Plus6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    2003-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2003-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2003-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2003-2007 Chevrolet Silverado 1500Base, Hybrid, LS, LT, LTZ, 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
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, SS, WT6 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, 2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12450066 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12450066 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the final step after installation for the 2006 Buick Rainier? Posted by Customer
    A:
    Reinstall the I/P accessory trim plate.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Wiper Switch
    Q:
    What is the final step after reinstalling the components for the 2006 Buick Rainier? Posted by Customer
    A:
    Reinstall the steering wheel onto the column and once everything is in place, enable the SIR system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the first step to replace the headlamp switch for the 2005 Buick Rainier? Posted by Customer
    A:
    Open the left instrument panel (IP) access cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be ensured regarding the electrical contact of the assembly for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    It should rest on the turn signal cancel cam assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    How do you disconnect the turn signal and multifunction switch assembly for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Disconnect the turn signal and multifunction switch assembly connector from the SIR system coil connector, and slide the two connectors out of the bulkhead connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the first step in the installation process for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    Connect the electrical connectors.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What is the final step in the process for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Install the wire harness assembly into the wire harness strap, reattach the upper and lower trim covers, and enable the SIR system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be removed after disabling the SIR system for the 2005 Chevrolet Avalanche 1500? Posted by Customer
    A:
    The upper and lower trim covers.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the final step in the installation process for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Install the upper and lower trim covers and enable the SIR system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the last step in the installation process for the 2005 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Install the bezel to the instrument panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be removed after disabling the SIR system for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the upper and lower trim covers.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the final step in the process for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Replace the upper and lower trim covers and enable the SIR system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be done after sliding the two connectors into the bulkhead connector for the 2005 Chevrolet Suburban 1500? Posted by Customer
    A:
    Connect the assembly connector to the SIR coil connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be disconnected next for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Disconnect the turn signal and multifunction switch assembly connector from the SIR system coil connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the first step to replace the headlamp switch for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Remove the instrument cluster bezel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be done after removing the bezel for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Unsnap the switch from the housing and disconnect the electrical connectors.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be disconnected from the SIR system coil connector for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Disconnect the turn signal and multifunction switch assembly connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    How is the switch assembly secured for the 2007 GMC Envoy? Posted by Customer
    A:
    Remove the 2 pan head tapping screws securing the assembly before taking it out.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    How do you install the new headlamp switch for the 2005 GMC Envoy? Posted by Customer
    A:
    Install the headlamp switch into the IP, ensuring that the retaining tabs are fully seated.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What is the final step in the installation process for the 2003 Chevrolet Trailblazer? Posted by Customer
    A:
    Reinstall the steering wheel onto the column.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the final step after installation for the 2006 GMC Envoy? Posted by Customer
    A:
    Reinstall the I/P accessory trim plate.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Wiper Switch
    Q:
    What is the final step after installation for the 2006 Chevrolet Trailblazer? Posted by Customer
    A:
    Reinstall the I/P accessory trim plate.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Wiper Switch
    Q:
    What should be ensured regarding the electrical contact of the assembly for the 2005 Chevrolet Tahoe? Posted by Customer
    A:
    It should rest on the turn signal cancel cam assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    How do you ensure the headlamp switch is properly installed for the 2002 GMC Envoy? Posted by Customer
    A:
    Install the headlamp switch to the IP, ensuring the retaining tabs are fully seated before installing the left IP access cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What is the next step after aligning the turn signal switch housing for the 2005 GMC Envoy? Posted by Customer
    A:
    Slide the turn signal switch housing onto the steering column shaft assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What needs to be disconnected to remove the assembly for the 2006 Chevrolet Trailblazer? Posted by Customer
    A:
    Disconnect the connectors from the turn signal and multifunction switch assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the final step in removing the switch for the 2005 GMC Yukon? Posted by Customer
    A:
    Remove the switch.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be done after securing the new assembly for the 2003 GMC Envoy? Posted by Customer
    A:
    Reconnect the connectors to the turn signal and multifunction switch assembly, reinstall the upper and lower trim covers, and finally enable the SIR system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the last step in the installation process for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Install the bezel back onto the instrument panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What is the next step after removing the turn signal and multifunction switch assembly for the 2007 GMC Envoy? Posted by Customer
    A:
    Slide the turn signal switch housing off the steering column shaft assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What needs to be removed from the turn signal and multifunction switch assembly for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Remove the two pan head tapping screws.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be disconnected from the SIR system coil connector for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Disconnect the turn signal and multifunction switch assembly connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What is the last step in the installation process for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Install the bezel back onto the instrument panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Headlight Switch
    Q:
    What should be done with the connectors after securing the assembly for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Slide the two connectors into the bulkhead connector and connect the turn signal and multifunction switch assembly connector to the SIR coil connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be done after sliding the two connectors into the bulkhead connector for the 2005 GMC Yukon? Posted by Customer
    A:
    Connect the assembly connector to the SIR coil connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal Switch
    Q:
    What should be done after securing the assembly for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Slide the two connectors into the bulkhead connector and connect the turn signal and multifunction switch assembly connector to the SIR coil connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Turn Signal 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 Turn Signal Switch 12450066 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12450066 Turn Signal Switch is available in the market under the name GM Dimmer Switch, Headlight Switch, Turn Signal Switch, Wiper Switch. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12450066 Turn Signal Switch fits certain Chevrolet Tahoe, Silverado 1500, Silverado 2500 HD models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT and Buick Rainier models.
The original GM component designated by manufacturer part number 12450066 maintains top performance when functioning as the Switch Assembly, Turn Signal & Headlamp Dimmer, Wiper & Washer (W/Lever); Multi Purpose Switch unit. The component 12450066 is constructed from durable material and its dimensions span 10.8 x 5.7 x 5.2 inches while weighing 4.20 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Combination Switch; Switch, Windshield Wiper & Washer Control; Switch, Turn Signal Lamp; Switch, Headlamp Dimmer. The part 12450066 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.