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Standard DS990T Headlight Switch
| Brand | Standard DS990T |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Terminal Gender | Male |
| Terminal Quantity | 18 |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Jeep · 34 vehicles |
Direct-fit replacement. Makes installation easier with a straightforward fit.
Durable materials. Built for long-lasting performance and reliability.
Blade terminal design. Uses a 1-connector, 18-terminal electrical layout.
Cross-references Standard Ignition DS-990, 1S2949 and 2-TSS83 for the same application. See all 14.
Headlight Switch for Jeep Wrangler and TJ
The Standard DS990T headlight switch is a direct-fit replacement for select Jeep Wrangler and Jeep TJ applications with fog light configurations. It uses a female connector, 18 male blade terminals, and 12-volt electrical design to match the original switch interface.
Key Features
- Direct-fit headlight switch replacement for easier installation
- Female connector with 1 connector interface
- 18 male blade terminals for OE-style electrical connection
- 12-volt switch design
- Built with quality materials and tested for performance and reliability
- Standard DS990T replacement for select Jeep Wrangler and TJ models
Product Details
Standard DS990T is a headlight switch built for select 2001-2006 Jeep Wrangler and 2001-2004 Jeep TJ vehicles, including fog light and combo switch applications. It is also listed for 2005 Jeep Wrangler with fog lights and headlight, dimmer, and turn signal switch configurations, plus 2006 Jeep Wrangler with front fog lights. This part cross-references Standard Ignition DS-990 for the same application. If you are replacing a worn Jeep Wrangler headlight switch or a Jeep TJ combo switch assembly, DS990T provides the correct electrical layout for the listed vehicles.
Common Issues This Part Can Address
- Headlights that do not switch on or off correctly
- Fog lights that fail to activate through the dash switch
- Intermittent lighting control caused by worn internal contacts
- Dimmer or turn signal switch function concerns on listed combo-switch applications
- Electrical connection problems at the switch interface
Installation Notes and Tips
Verify the connector style, terminal count, and vehicle configuration before installation. This switch is listed for Jeep Wrangler and Jeep TJ models with fog light-related applications, so confirm the exact factory setup against the fitment notes. Inspect the harness connector and terminals for corrosion or heat damage before connecting the replacement part.
Quality Assurance
Standard states that this replacement switch is manufactured with quality control maintained throughout production and is tested for performance and reliability. The DS990T is built as a direct-fit replacement to support consistent electrical operation in the listed Jeep Wrangler and Jeep TJ applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Jeep | Wrangler | 4.0L | L6 | N/A | w/ Fog Lights |
| 2006 | Jeep | Wrangler | 2.4L | L4 | N/A | w/ Fog Lights |
| 2006 | Jeep | Wrangler | — | — | N/A | w/ Front Fog Lights |
| 2006 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights |
| 2006 | Jeep | Wrangler | 2.4L | L4 | N/A | — |
| 2006 | Jeep | Wrangler | 4.0L | L6 | N/A | — |
| 2005 | Jeep | Wrangler | 2.4L | L4 | N/A | — |
| 2005 | Jeep | Wrangler | 4.0L | L6 | N/A | — |
| 2005 | Jeep | Wrangler | 4.0L | L6 | N/A | w/ Fog Lights; Headlight, Dimmer and Turn Signal Switch |
| 2005 | Jeep | Wrangler | 2.4L | L4 | N/A | w/ Fog Lights; Headlight, Dimmer and Turn Signal Switch |
| 2004 | Jeep | TJ | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2004 | Jeep | TJ | — | — | N/A | w/ Fog Lights |
| 2004 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2004 | Jeep | Wrangler | — | — | N/A | — |
| 2004 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights |
| 2003 | Jeep | TJ | — | — | N/A | w/ Fog Lights |
| 2003 | Jeep | TJ | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2003 | Jeep | Wrangler | — | — | N/A | — |
| 2003 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights |
| 2003 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2002 | Jeep | TJ | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2002 | Jeep | TJ | — | — | N/A | w/ Fog Lights |
| 2002 | Jeep | TJ | — | — | N/A | — |
| 2002 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights |
| 2002 | Jeep | Wrangler | — | — | N/A | — |
| 2002 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2001 | Jeep | TJ | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2001 | Jeep | TJ | 2.5L | L4 | N/A | — |
| 2001 | Jeep | TJ | 4.0L | L6 | N/A | — |
| 2001 | Jeep | TJ | — | — | N/A | w/ Fog Lights |
| 2001 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights; Combo Switch Assembly |
| 2001 | Jeep | Wrangler | 2.5L | L4 | N/A | — |
| 2001 | Jeep | Wrangler | 4.0L | L6 | N/A | — |
| 2001 | Jeep | Wrangler | — | — | N/A | w/ Fog Lights |
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