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Standard Ignition DS-373 Headlight Dimmer Switch
| Brand | Standard Ignition DS-373 |
|---|---|
| Attachment Method | Bolt On |
| Connector Gender | Male |
| Mounting Location | Dashboard |
| Terminal Gender | Male |
| Terminal Type | Wire Lead, Blade |
| Voltage | 12 |
| Fits | Buick, Oldsmobile, GMC, Pontiac, and Cadillac · 82 vehicles |
Bolt-on design. Installs securely with a straightforward attachment method.
Copper alloy conductors. Deliver strong conductivity with low resistive losses.
100% tested. Verified for mechanical and electrical switching performance.
Cross-references 1S4852, 53-16995 and 10499721 for the same application. See all 6.
Headlight Dimmer Switch for GM Applications
The Standard Ignition DS-373 headlight dimmer switch is built for direct dashboard mounting in a wide range of GM vehicles. It uses copper alloy conductors and a tested switching design to deliver consistent electrical performance for headlight beam selection.
Key Features
- Headlight dimmer switch for 12-volt systems
- Bolt-on attachment method for dashboard installation
- Male connector with 3 terminals
- Male terminal design with wire lead and blade terminal types
- Built with copper alloy conductors for low-resistance electrical flow
- 100% tested for mechanical and electrical switching performance
Detailed Description
Standard Ignition DS-373 is a headlight dimmer switch engineered for service replacement in GM passenger cars and light trucks that use a dashboard-mounted switch layout. It is a direct-fit electrical component for beam control in vehicles such as Buick Century, Buick LeSabre, Buick Park Avenue, Oldsmobile 88, Oldsmobile 98, Pontiac Bonneville, and Cadillac DeVille applications. The DS-373 part number is also referenced in interchange listings for related service applications.
Construction focuses on dependable conductivity and switch action. Copper alloy conductors help maintain electrical flow, while the switch is tested to verify both mechanical movement and electrical function before release. This Standard Ignition DS-373 dimmer switch is a practical replacement for worn or intermittent headlight beam controls in 1986-1996 GM platforms.
What It Is Used For
- Restoring high/low beam switching when the original dimmer switch fails
- Correcting intermittent headlight operation from worn internal contacts
- Replacing a dashboard-mounted switch with damaged terminals or connector wear
- Addressing beam selection issues in Buick, Oldsmobile, Pontiac, and Cadillac models
- Repairing electrical switching problems in 12-volt lighting circuits
Installation Notes and Tips
Install the DS-373 at the dashboard mounting location and verify the connector style, terminal count, and vehicle-specific fitment before replacement. Confirm the application details for your exact year, make, model, and any listed equipment notes, including High Wider Package, Auto. Dimmer, Tilt Steering Wheel, Column Shift, or steering wheel radio control exclusions where noted. For best results, inspect the connector and wiring condition before installation.
Quality Assurance
Standard Ignition builds this switch with robust materials and tests each unit for mechanical and electrical switching performance. The DS-373 is engineered to meet the demands of professional service replacement and consistent headlight dimmer operation.
Compatible Vehicles
- Fits 1991-1996 Buick Century, dashboard-mounted application.
- Fits 1991-1996 Oldsmobile Cutlass Ciera, dashboard-mounted application.
- Fits 1988-1995 Buick LeSabre, dashboard-mounted application.
- Fits 1991-1995 Buick Park Avenue, dashboard-mounted application.
- Fits 1995 GMC Jimmy, dashboard-mounted application, w/ High Wider Package.
- Fits 1988-1995 Oldsmobile 98, dashboard-mounted application.
- Fits 1991-1995 Pontiac Bonneville, dashboard-mounted application.
- Fits 1992-1994 Oldsmobile 88, dashboard-mounted application.
- Fits 1991-1994 Oldsmobile Cutlass Cruiser, dashboard-mounted application.
- Fits 1993 Cadillac 60 Special, dashboard-mounted application.
- Fits 1993 Cadillac Commercial Chassis, dashboard-mounted application.
- Fits 1992-1993 Cadillac DeVille, dashboard-mounted application.
- Fits 1993 Cadillac Fleetwood, dashboard-mounted application.
- Fits 1988-1992 Cadillac Brougham, dashboard-mounted application, w/ Auto. Dimmer.
- Fits 1991-1992 Cadillac Commercial Chassis, dashboard-mounted application, w/ Auto. Dimmer.
- Fits 1988-1992 Cadillac Fleetwood, dashboard-mounted application, w/ Auto. Dimmer.
- Fits 1988-1991 Cadillac DeVille, dashboard-mounted application, w/ Auto. Dimmer.
- Fits 1991 Oldsmobile Custom Cruiser, dashboard-mounted application.
- Fits 1986-1991 Oldsmobile Delta 88, dashboard-mounted application.
- Fits 1990-1991 Pontiac 6000, dashboard-mounted application, w/o Radio Controls on Steering Wheel.
- Fits 1987-1990 Pontiac Bonneville, dashboard-mounted application, w/ Tilt Steering Wheel; w/ Column Shift.
| Year | Make | Model | Submodel | Body Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1996 | Buick | Century | — | — | — | N/A | — |
| 1996 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1995 | Buick | Century | — | — | — | N/A | — |
| 1995 | Buick | LeSabre | — | — | — | N/A | — |
| 1995 | Buick | Park Avenue | — | — | — | N/A | — |
| 1995 | GMC | Jimmy | — | — | Manual | N/A | w/ High Wider Package |
| 1995 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1995 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1995 | Pontiac | Bonneville | — | — | — | N/A | — |
| 1994 | Buick | Century | — | — | — | N/A | — |
| 1994 | Buick | LeSabre | — | — | — | N/A | — |
| 1994 | Buick | Park Avenue | — | — | — | N/A | — |
| 1994 | Oldsmobile | 88 | — | Sedan | — | N/A | — |
| 1994 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1994 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1994 | Oldsmobile | Cutlass Cruiser | — | — | — | N/A | — |
| 1994 | Pontiac | Bonneville | — | — | — | N/A | — |
| 1993 | Buick | Century | — | — | — | N/A | — |
| 1993 | Buick | LeSabre | — | — | — | N/A | — |
| 1993 | Buick | Park Avenue | — | — | — | N/A | — |
| 1993 | Cadillac | 60 Special | — | — | — | N/A | — |
| 1993 | Cadillac | Commercial Chassis | — | — | — | N/A | — |
| 1993 | Cadillac | DeVille | — | — | — | N/A | — |
| 1993 | Cadillac | Fleetwood | — | — | — | N/A | — |
| 1993 | Oldsmobile | 88 | — | Sedan | — | N/A | — |
| 1993 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1993 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1993 | Oldsmobile | Cutlass Cruiser | — | — | — | N/A | — |
| 1993 | Pontiac | Bonneville | — | — | — | N/A | — |
| 1992 | Buick | Century | — | — | — | N/A | — |
| 1992 | Buick | LeSabre | — | — | — | N/A | — |
| 1992 | Buick | Park Avenue | — | — | — | N/A | — |
| 1992 | Cadillac | Brougham | — | — | — | N/A | w/ Auto. Dimmer |
| 1992 | Cadillac | Commercial Chassis | — | — | — | N/A | w/ Auto. Dimmer |
| 1992 | Cadillac | DeVille | — | — | — | N/A | — |
| 1992 | Cadillac | Fleetwood | — | — | — | N/A | w/ Auto. Dimmer |
| 1992 | Oldsmobile | 88 | — | Sedan | — | N/A | — |
| 1992 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1992 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1992 | Oldsmobile | Cutlass Cruiser | — | — | — | N/A | — |
| 1992 | Pontiac | Bonneville | — | — | — | N/A | — |
| 1991 | Buick | Century | — | — | — | N/A | — |
| 1991 | Buick | LeSabre | — | — | — | N/A | — |
| 1991 | Buick | Park Avenue | — | — | — | N/A | — |
| 1991 | Cadillac | Brougham | — | — | — | N/A | w/ Auto. Dimmer |
| 1991 | Cadillac | Commercial Chassis | — | — | — | N/A | w/ Auto. Dimmer |
| 1991 | Cadillac | DeVille | — | — | — | N/A | w/ Auto. Dimmer |
| 1991 | Cadillac | Fleetwood | — | — | — | N/A | w/ Auto. Dimmer |
| 1991 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1991 | Oldsmobile | Custom Cruiser | — | — | — | N/A | — |
| 1991 | Oldsmobile | Cutlass Ciera | — | — | — | N/A | — |
| 1991 | Oldsmobile | Cutlass Cruiser | — | — | — | N/A | — |
| 1991 | Oldsmobile | Delta 88 | — | Sedan | — | N/A | — |
| 1991 | Pontiac | 6000 | — | — | — | N/A | w/o Radio Controls on Steering Wheel |
| 1991 | Pontiac | Bonneville | — | — | — | N/A | — |
| 1990 | Buick | LeSabre | — | — | — | N/A | — |
| 1990 | Cadillac | Brougham | — | — | — | N/A | w/ Auto. Dimmer |
| 1990 | Cadillac | DeVille | — | — | — | N/A | w/ Auto. Dimmer |
| 1990 | Cadillac | Fleetwood | — | — | — | N/A | w/ Auto. Dimmer |
| 1990 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1990 | Oldsmobile | Delta 88 | — | — | — | N/A | — |
| 1990 | Pontiac | 6000 | — | — | — | N/A | w/o Radio Controls on Steering Wheel |
| 1990 | Pontiac | Bonneville | — | — | — | N/A | w/ Tilt Steering Wheel; w/ Column Shift |
| 1989 | Buick | LeSabre | — | — | — | N/A | — |
| 1989 | Cadillac | Brougham | — | — | — | N/A | w/ Auto. Dimmer |
| 1989 | Cadillac | DeVille | — | — | — | N/A | w/ Auto. Dimmer |
| 1989 | Cadillac | Fleetwood | — | — | — | N/A | w/ Auto. Dimmer |
| 1989 | Oldsmobile | 98 | Regency | — | — | N/A | — |
| 1989 | Oldsmobile | 98 | Regency Brougham | — | — | N/A | — |
| 1989 | Oldsmobile | 98 | Regency Touring | — | — | N/A | — |
| 1989 | Oldsmobile | Delta 88 | — | — | — | N/A | — |
| 1989 | Pontiac | Bonneville | — | — | — | N/A | w/ Tilt Steering Wheel; w/ Column Shift |
| 1988 | Buick | LeSabre | — | — | — | N/A | — |
| 1988 | Cadillac | Brougham | — | — | — | N/A | w/ Auto. Dimmer |
| 1988 | Cadillac | DeVille | — | — | — | N/A | w/ Auto. Dimmer |
| 1988 | Cadillac | Fleetwood | — | — | — | N/A | w/ Auto. Dimmer |
| 1988 | Oldsmobile | 98 | — | — | — | N/A | — |
| 1988 | Oldsmobile | Delta 88 | — | Sedan | — | N/A | — |
| 1988 | Pontiac | Bonneville | — | — | — | N/A | w/ Tilt Steering Wheel; w/ Column Shift |
| 1987 | Oldsmobile | Delta 88 | — | Sedan | — | N/A | — |
| 1987 | Pontiac | Bonneville | — | — | — | N/A | w/ Tilt Steering Wheel; w/ Column Shift |
| 1986 | Oldsmobile | Delta 88 | — | Sedan | — | N/A | — |
| No rows match your filter. | |||||||