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Cadillac 88956860 Knob

1999-2004 Cadillac

Customer Questions & Expert Answers (2)
88956860 GM Knob Illustration 1 of 1
  • Part Description
    Knob, A/C Control
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number88956860
    Part DescriptionKnob; Knob, A/C Control
    Item Dimensions1.4 x 1.1 x 0.5 inches
    Item Weight0.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU88956860
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1999-2004 Cadillac Deville8 Cyl 4.6LSEVILLE, SLS, STS
    1999-2004 Cadillac Seville8 Cyl 4.6LSEVILLE, SLS, STS
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 88956860 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    How to remove the A/C Switch on Cadillac DeVille? Posted by Jiri H.
    A:
    The climate control panel on the 1999 Deville is integrated into the instrument cluster. To remove the A/C switch assembly on the Seville model, start by disconnecting the battery's negative terminal cable. Then, remove the instrument panel center trim plate and the console trim plate. Partially pull out the A/C switch assembly and radio, and disconnect the electrical connectors. Next, remove the A/C switch assembly bracket mounting screws and separate the radio from the A/C switch assembly. For installation, simply follow the reverse of the removal procedure. On the 2000 and later Deville/DTS models, remove the instrument panel center trim plate and depress and hold each locking tab on the corners to release the A/C switch assembly. In 2006 and later models, remove the A/C switch assembly retaining screws. Partially pull out the A/C switch assembly and disconnect the electrical connectors. To install, follow the reverse of the removal procedure.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Jan 10, 2026

Genuine GM Part 88956860, the Right Choice

To ensure reliability, purchase GM part # 88956860 Knob. It is sometimes referred to as Cadillac A/C Switch, Cadillac Blower Control Switches. 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 Cadillac Deville, Seville models.

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