HomeElectrical, Lighting and Body > SwitchesStandard Ignition DS-423 Instrument Panel Dimmer Switch
Part #: DS-423

Standard Ignition DS-423 Instrument Panel Dimmer Switch

⚙️ 66 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Astro, Safari, S10, S10 Blazer, Jimmy, Sonoma, Bravada, LLV, S15 Jimmy, Syclone, and S15
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Reliable Instrument Panel Dimmer Switch for Chevrolet and GMC Vehicles

The Standard Ignition DS-423 instrument panel dimmer switch is designed to provide consistent control over your vehicle's dashboard lighting. Engineered for select Chevrolet, GMC, and Oldsmobile models, this switch ensures smooth dimming functionality and reliable performance.

  • Color: Black plastic finish for durability and seamless integration
  • Connector Gender: Male with a single connector for straightforward installation
  • Terminal Type: Four male blade terminals for secure electrical connections
  • Function: Instrument panel dimmer switch to adjust dashboard light intensity
  • Compatible with Chevrolet Astro, GMC Jimmy, S10 Blazer, and other models

Product Details and Specifications

The DS-423 dimmer switch from Standard Ignition features a robust plastic construction with a black finish that matches factory dashboard components. It includes one male connector and four male blade terminals, designed to fit securely and maintain reliable electrical contact. This switch is specifically engineered for use in Chevrolet Astro, GMC Bravada, Jimmy, S10, S10 Blazer, S15, S15 Jimmy, Safari, and Sonoma models, as well as select Oldsmobile vehicles. The part number DS-423 ensures compatibility and ease of identification when replacing your instrument panel dimmer switch.

Common Applications and Issues Addressed

  • Restores dashboard light dimming functionality in Chevrolet and GMC vehicles
  • Replaces faulty or worn-out instrument panel dimmer switches causing inconsistent lighting
  • Eliminates dashboard lights stuck at full brightness or completely off
  • Resolves electrical connection issues related to blade terminal wear or damage
  • Improves driver visibility and comfort during night driving

Installation Notes and Tips

  • Ensure vehicle ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Locate the existing instrument panel dimmer switch on the dashboard
  • Disconnect the male connector and carefully remove the old switch
  • Connect the new DS-423 switch, ensuring all four blade terminals are securely attached
  • Test the dimmer function before reassembling the dashboard components

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The DS-423 instrument panel dimmer switch undergoes rigorous quality control to ensure proper fit and function in compatible Chevrolet, GMC, and Oldsmobile models. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberDS-423
ColorBlack
Connector GenderMale
ContentsSwitch
FinishPlastic
FunctionsSwitch
Terminal GenderMale
Terminal TypeBlade

This part fits 66 vehicles. Search below:

YearMakeModelPositionNotes
1995ChevroletAstroN/A
1995GMCSafariN/A
1994ChevroletAstroN/A
1994ChevroletS10N/A
1994ChevroletS10 BlazerN/A
1994GMCJimmyN/A
1994GMCSafariN/A
1994GMCSonomaN/A
1994OldsmobileBravadaN/A
1993ChevroletAstroN/A
1993ChevroletS10N/A
1993ChevroletS10 BlazerN/A
1993GMCJimmyN/A
1993GMCSafariN/A
1993GMCSonomaN/A
1993OldsmobileBravadaN/A
1992ChevroletAstroN/A
1992ChevroletS10N/A
1992ChevroletS10 BlazerN/A
1992GMCJimmyN/A
1992GMCSafariN/A
1992GMCSonomaN/A
1992OldsmobileBravadaN/A
1991ChevroletAstroN/A
1991ChevroletS10N/A
1991ChevroletS10 BlazerN/A
1991GMCS15 JimmyN/A
1991GMCSafariN/A
1991GMCSonomaN/A
1991OldsmobileBravadaN/A
1990ChevroletAstroN/A
1990ChevroletS10N/A
1990ChevroletS10 BlazerN/A
1990GMCS15N/A
1990GMCS15 JimmyN/A
1990GMCSafariN/A
1989ChevroletAstroN/A
1989ChevroletS10N/A
1989ChevroletS10 BlazerN/A
1989GMCS15N/A
1989GMCS15 JimmyN/A
1989GMCSafariN/A
1988ChevroletAstroN/A
1988ChevroletS10N/A
1988ChevroletS10 BlazerN/A
1988GMCS15N/A
1988GMCS15 JimmyN/A
1988GMCSafariN/A
1987ChevroletAstroN/A
1987ChevroletS10N/A
1987ChevroletS10 BlazerN/A
1987GMCS15N/A
1987GMCS15 JimmyN/A
1987GMCSafariN/A
1986ChevroletAstroN/A
1986ChevroletS10N/A
1986ChevroletS10 BlazerN/A
1986GMCS15N/A
1986GMCS15 JimmyN/A
1986GMCSafariN/A
1985ChevroletAstroN/A
1985ChevroletS10N/A
1985ChevroletS10 BlazerN/A
1985GMCS15N/A
1985GMCS15 JimmyN/A
1985GMCSafariN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

159545291S485753-16999DS512LS152S7208UDS450

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.