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Standard Ignition DS-423 Instrument Panel Dimmer Switch
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.
| Brand | Standard Ignition |
| Part Number | DS-423 |
| Color | Black |
| Connector Gender | Male |
| Contents | Switch |
| Finish | Plastic |
| Functions | Switch |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 66 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Chevrolet | Astro | N/A | |
| 1995 | GMC | Safari | N/A | |
| 1994 | Chevrolet | Astro | N/A | |
| 1994 | Chevrolet | S10 | N/A | |
| 1994 | Chevrolet | S10 Blazer | N/A | |
| 1994 | GMC | Jimmy | N/A | |
| 1994 | GMC | Safari | N/A | |
| 1994 | GMC | Sonoma | N/A | |
| 1994 | Oldsmobile | Bravada | N/A | |
| 1993 | Chevrolet | Astro | N/A | |
| 1993 | Chevrolet | S10 | N/A | |
| 1993 | Chevrolet | S10 Blazer | N/A | |
| 1993 | GMC | Jimmy | N/A | |
| 1993 | GMC | Safari | N/A | |
| 1993 | GMC | Sonoma | N/A | |
| 1993 | Oldsmobile | Bravada | N/A | |
| 1992 | Chevrolet | Astro | N/A | |
| 1992 | Chevrolet | S10 | N/A | |
| 1992 | Chevrolet | S10 Blazer | N/A | |
| 1992 | GMC | Jimmy | N/A | |
| 1992 | GMC | Safari | N/A | |
| 1992 | GMC | Sonoma | N/A | |
| 1992 | Oldsmobile | Bravada | N/A | |
| 1991 | Chevrolet | Astro | N/A | |
| 1991 | Chevrolet | S10 | N/A | |
| 1991 | Chevrolet | S10 Blazer | N/A | |
| 1991 | GMC | S15 Jimmy | N/A | |
| 1991 | GMC | Safari | N/A | |
| 1991 | GMC | Sonoma | N/A | |
| 1991 | Oldsmobile | Bravada | N/A | |
| 1990 | Chevrolet | Astro | N/A | |
| 1990 | Chevrolet | S10 | N/A | |
| 1990 | Chevrolet | S10 Blazer | N/A | |
| 1990 | GMC | S15 | N/A | |
| 1990 | GMC | S15 Jimmy | N/A | |
| 1990 | GMC | Safari | N/A | |
| 1989 | Chevrolet | Astro | N/A | |
| 1989 | Chevrolet | S10 | N/A | |
| 1989 | Chevrolet | S10 Blazer | N/A | |
| 1989 | GMC | S15 | N/A | |
| 1989 | GMC | S15 Jimmy | N/A | |
| 1989 | GMC | Safari | N/A | |
| 1988 | Chevrolet | Astro | N/A | |
| 1988 | Chevrolet | S10 | N/A | |
| 1988 | Chevrolet | S10 Blazer | N/A | |
| 1988 | GMC | S15 | N/A | |
| 1988 | GMC | S15 Jimmy | N/A | |
| 1988 | GMC | Safari | N/A | |
| 1987 | Chevrolet | Astro | N/A | |
| 1987 | Chevrolet | S10 | N/A | |
| 1987 | Chevrolet | S10 Blazer | N/A | |
| 1987 | GMC | S15 | N/A | |
| 1987 | GMC | S15 Jimmy | N/A | |
| 1987 | GMC | Safari | N/A | |
| 1986 | Chevrolet | Astro | N/A | |
| 1986 | Chevrolet | S10 | N/A | |
| 1986 | Chevrolet | S10 Blazer | N/A | |
| 1986 | GMC | S15 | N/A | |
| 1986 | GMC | S15 Jimmy | N/A | |
| 1986 | GMC | Safari | N/A | |
| 1985 | Chevrolet | Astro | N/A | |
| 1985 | Chevrolet | S10 | N/A | |
| 1985 | Chevrolet | S10 Blazer | N/A | |
| 1985 | GMC | S15 | N/A | |
| 1985 | GMC | S15 Jimmy | N/A | |
| 1985 | GMC | Safari | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.