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Standard Ignition DS-203 Headlight Dimmer Switch
Reliable Headlight Dimmer Switch for Select GM and Jeep Models
The Standard Ignition DS-203 headlight dimmer switch offers a durable and precise solution for controlling your vehicle's headlight functions. Designed for compatibility with various Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac models, this switch ensures consistent performance and easy installation.
Key Features of the Standard Ignition DS-203
- Bolt-on attachment method for secure dashboard mounting
- Color combination includes brown, clear, and silver for easy identification
- Single female rectangular connector for straightforward wiring
- Four male blade terminals providing reliable electrical connections
- Constructed with aluminum and plastic for durability and corrosion resistance
- Operates on standard 12-volt electrical systems
Detailed Product Description
The DS-203 headlight dimmer switch from Standard Ignition is engineered to meet the electrical and lighting needs of classic and late-model vehicles including the Chevrolet Impala, Buick LeSabre, Cadillac DeVille, Jeep Cherokee, and Pontiac Bonneville. Its bolt-on design allows for easy replacement directly on the dashboard, maintaining factory fit and finish. The switch features a single female rectangular connector and four male blade terminals, ensuring compatibility with original wiring harnesses. The combination of aluminum and plastic materials provides a balance of strength and lightweight construction, suitable for the demanding environment of automotive electrical systems.
Common Applications and Issues Addressed
- Restores proper headlight dimming function in Chevrolet Corvette and Cadillac Eldorado
- Replaces faulty or worn dimmer switches causing intermittent headlight operation in Jeep Wrangler and Comanche
- Eliminates dashboard switch failure symptoms in Pontiac Catalina and Oldsmobile Delta 88
- Resolves electrical connection issues due to corroded or damaged terminals
- Improves safety by ensuring reliable headlight control on Buick Fleetwood and Seville models
Installation Notes and Tips
- Ensure vehicle battery is disconnected before installation to prevent electrical shorts
- Locate the existing headlight dimmer switch on the dashboard for removal
- Use appropriate tools to unbolt the old switch and disconnect the female rectangular connector
- Verify the terminal blade connections match the DS-203 switch terminals before securing
- After installation, test headlight dimming functions to confirm proper operation
Quality Assurance and Warranty Information
Standard Ignition manufactures the DS-203 headlight dimmer switch to meet OEM specifications, ensuring reliable performance and fitment. The switch is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its durability and function for compatible Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac vehicles.
| Brand | Standard Ignition |
| Part Number | DS-203 |
| Attachment Method | Bolt On |
| Color | Brown, Clear, Silver |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Finish | Aluminum, Plastic |
| Mounting Location | Dashboard |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 59 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Cadillac | Commercial Chassis | N/A | |
| 1996 | Cadillac | DeVille | N/A | w/ Floor Console |
| 1996 | Cadillac | Fleetwood | N/A | |
| 1996 | Cadillac | Seville | N/A | w/ Floor Console |
| 1995 | Cadillac | Commercial Chassis | N/A | |
| 1995 | Cadillac | DeVille | N/A | w/ Floor Console |
| 1995 | Cadillac | Eldorado | N/A | w/ Floor Console |
| 1995 | Cadillac | Fleetwood | N/A | |
| 1995 | Cadillac | Seville | N/A | w/ Floor Console |
| 1995 | Jeep | Wrangler | N/A | |
| 1994 | Cadillac | Commercial Chassis | N/A | |
| 1994 | Cadillac | DeVille | N/A | w/ Floor Console |
| 1994 | Cadillac | Eldorado | N/A | w/ Floor Console |
| 1994 | Cadillac | Fleetwood | N/A | |
| 1994 | Cadillac | Seville | N/A | w/ Floor Console |
| 1994 | Jeep | Wrangler | N/A | |
| 1993 | Cadillac | Eldorado | N/A | w/ Floor Console |
| 1993 | Cadillac | Seville | N/A | w/ Floor Console |
| 1993 | Jeep | Cherokee | N/A | |
| 1993 | Jeep | Wrangler | N/A | |
| 1992 | Cadillac | Eldorado | N/A | w/ Floor Console |
| 1992 | Cadillac | Seville | N/A | w/ Floor Console; w/ Auto. Dimmer |
| 1992 | Jeep | Cherokee | N/A | |
| 1992 | Jeep | Comanche | N/A | |
| 1992 | Jeep | Wrangler | N/A | |
| 1991 | Jeep | Cherokee | N/A | |
| 1991 | Jeep | Comanche | N/A | |
| 1991 | Jeep | Wrangler | N/A | |
| 1990 | Jeep | Cherokee | N/A | |
| 1990 | Jeep | Comanche | N/A | |
| 1990 | Jeep | Wagoneer | N/A | |
| 1990 | Jeep | Wrangler | N/A | |
| 1989 | Jeep | Cherokee | N/A | |
| 1989 | Jeep | Comanche | N/A | |
| 1989 | Jeep | Wagoneer | N/A | |
| 1989 | Jeep | Wrangler | N/A | |
| 1988 | Jeep | Cherokee | N/A | |
| 1988 | Jeep | Comanche | N/A | |
| 1988 | Jeep | Wagoneer | N/A | |
| 1988 | Jeep | Wrangler | N/A | |
| 1987 | Jeep | Cherokee | N/A | Column Mounted - fits vehicles with headlight dimmer switch located on the steering column |
| 1987 | Jeep | Comanche | N/A | |
| 1987 | Jeep | Wagoneer | N/A | |
| 1987 | Jeep | Wrangler | N/A | |
| 1986 | Jeep | Comanche | N/A | |
| 1986 | Jeep | Wagoneer | N/A | |
| 1985 | Jeep | Wagoneer | N/A | |
| 1984 | Jeep | Wagoneer | N/A | Column Mounted - fits vehicles with headlight dimmer switch located on the steering column |
| 1979 | Chevrolet | Chevette | N/A | Not compatible with vehicles equipped with a Tilt Wheel. |
| 1978 | Chevrolet | Chevette | N/A | |
| 1978 | Chevrolet | Corvette | N/A | |
| 1977 | Buick | LeSabre | N/A | Column Mounted - fits vehicles with headlight dimmer switch located on the steering column |
| 1977 | Chevrolet | Chevette | N/A | |
| 1977 | Chevrolet | Corvette | N/A | |
| 1977 | Chevrolet | Impala | N/A | |
| 1977 | Oldsmobile | 98 | N/A | Column Mounted - fits vehicles with headlight dimmer switch located on the steering column |
| 1977 | Oldsmobile | Delta 88 | N/A | Column Mounted - fits vehicles with headlight dimmer switch located on the steering column |
| 1977 | Pontiac | Bonneville | N/A | |
| 1977 | Pontiac | Catalina | 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.