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Standard Ignition DS-50 Headlight Dimmer Switch
| Brand | Standard Ignition DS-50 |
|---|---|
| Attachment Method | Bolt On |
| Mounting Location | Dashboard |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Jeep, Ford, Lincoln, and Mercury · 17 vehicles |
Bolt-on installation. Simplifies replacement with a secure, straightforward fit.
Copper alloy conductors. Deliver superior electrical conductivity with low resistive losses.
100% tested. Verified for both mechanical and electrical switching performance.
Cross-references 1S4826, 4-800 and 11A13532 for the same application. See all 10.
Headlight Dimmer Switch for Classic Ford and Jeep
Standard Ignition DS-50 is a dashboard-mounted headlight dimmer switch built for 12-volt electrical systems. It uses a bolt-on attachment method, a male blade terminal layout, and copper alloy conductors to support stable electrical transfer in service applications.
Key Features
- Dashboard mounting location for direct replacement use
- Bolt-on attachment method for secure installation
- 3 male blade terminals for straightforward wiring connection
- 12-volt design for classic vehicle electrical systems
- Copper alloy conductors for low-resistance electrical flow
- 100% tested for mechanical and electrical switching performance
Detailed Description
The Standard Ignition DS-50 headlight dimmer switch is engineered for vehicles that need reliable high/low beam control from the dashboard. It is a direct-fit style switch for applications such as 1955-1956 Ford Thunderbird, 1965-1969 Jeep Wagoneer, 1974 Jeep Cherokee, and select Lincoln Continental and Lincoln Zephyr models. The DS-50 part number is also a useful reference when sourcing a replacement for classic Ford Thunderbird and Jeep Wagoneer lighting circuits.
Built with robust materials and copper alloy conductors, DS-50 is designed to maintain consistent conductivity and switching action in demanding service environments. This part cross-references Standard Ignition DS101 and DS105 for the same application.
Common Issues This Part Can Address
- Headlights stuck on high beam or low beam
- Intermittent beam switching from the dashboard control
- Worn internal contacts causing electrical resistance
- Loose or damaged blade terminal connections
- Failure of the original dimmer switch in classic 12-volt systems
Installation Notes and Tips
Verify the vehicle uses a dashboard-mounted, bolt-on dimmer switch with 3 male blade terminals before installation. Match the existing wiring layout and confirm 12-volt system compatibility. For fitment, this part fits 1955-1956 Ford Thunderbird, 1965-1969 Jeep Wagoneer, and 1974 Jeep Cherokee, along with listed Lincoln Continental and Lincoln Zephyr applications.
Quality Assurance
Standard Ignition tests each switch for mechanical operation and electrical performance before release. The DS-50 is built with service-grade materials and conductor design intended to support dependable switching in automotive lighting circuits.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1974 | Jeep | Cherokee | — | — | N/A | — |
| 1969 | Jeep | Wagoneer | 3.8L | L6 | N/A | — |
| 1968 | Jeep | Wagoneer | 3.8L | L6 | N/A | — |
| 1967 | Jeep | Wagoneer | 3.8L | L6 | N/A | — |
| 1966 | Jeep | Wagoneer | 3.8L | L6 | N/A | — |
| 1965 | Jeep | Wagoneer | 3.8L | L6 | N/A | — |
| 1956 | Ford | Thunderbird | — | — | N/A | — |
| 1955 | Ford | Thunderbird | — | — | N/A | — |
| 1945 | Lincoln | Continental | — | — | N/A | — |
| 1942 | Lincoln | Continental | — | — | N/A | — |
| 1942 | Lincoln | Zephyr | — | — | N/A | — |
| 1941 | Lincoln | Continental | — | — | N/A | — |
| 1941 | Lincoln | Zephyr | — | — | N/A | — |
| 1940 | Lincoln | Continental | — | — | N/A | — |
| 1940 | Lincoln | Zephyr | — | — | N/A | — |
| 1939 | Lincoln | Zephyr | — | — | N/A | — |
| 1938 | Lincoln | Zephyr | — | — | N/A | — |
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