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Standard Ignition DS-990 Headlight Dimmer Switch
Reliable Headlight Dimmer Switch for Jeep TJ and Wrangler
The Standard Ignition DS-990 headlight dimmer switch is designed specifically for Jeep TJ and Wrangler models. This new combination switch offers essential lighting and signaling functions to maintain safe vehicle operation.
- Bolt-on attachment method for secure installation
- Female rectangular connector with one cavity
- Includes fog light operator and turn signal control
- Features latching high beam and momentary high beam flasher
- Indicator markings clearly displayed for ease of use
- Operates on 12-volt electrical systems
- Equipped with 18 male blade terminals for reliable connectivity
Product Details and Functionality
The DS-990 headlight dimmer switch from Standard Ignition is a combination switch that integrates multiple lighting controls into one unit. It includes main light operation, turn signal control, fog light operator, and both latching and momentary high beam functions. The switch is designed with a bolt-on attachment method and features a single female rectangular connector with 18 male blade terminals, ensuring a secure and stable electrical connection. Indicator markings are included on the switch for intuitive operation, making it easier to control your Jeep TJ or Wrangler's lighting system.
Compatible Vehicles and Applications
This headlight dimmer switch is compatible with Jeep TJ and Wrangler models, providing a direct replacement for factory switches. It is ideal for restoring or upgrading the lighting controls on these vehicles, ensuring proper function of headlights, turn signals, and fog lights.
- Resolves issues with non-functioning or intermittent headlights
- Restores turn signal operation and indicator visibility
- Fixes problems with high beam latching and flashing
- Enables fog light control for improved visibility in adverse conditions
- Replaces worn or damaged combination switches
Installation Notes and Tips
Installation of the Standard Ignition DS-990 headlight dimmer switch requires basic automotive electrical knowledge. The bolt-on design allows for straightforward mounting, and the single female rectangular connector simplifies wiring connections. Ensure the vehicle's battery is disconnected before installation to prevent electrical shorts. Verify connector orientation and terminal alignment to avoid damage. Consult the Jeep TJ or Wrangler service manual for detailed removal and installation procedures.
Quality Assurance and Warranty
This headlight dimmer switch is a new, Standard Ignition part manufactured to meet or exceed OEM specifications. It is built with durable materials and tested for reliable performance in Jeep TJ and Wrangler vehicles. Standard Ignition typically offers a limited warranty on their electrical components; please refer to the product documentation for specific warranty details.
| Brand | Standard Ignition |
| Part Number | DS-990 |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Cruise Control Cancel Included | No |
| Cruise Control On/Off Operator Inc | No |
| Cruise Control Resume Included | No |
| Cruise Control Set Included | No |
| Cruise Control Speed Adjustment In | No |
| Displayed | Yes |
| Fog Light Operator Included | Yes |
| Functions | Combination Switch |
| Indicator Markings Included | Yes |
| Latching High Beam Operator Includ | Yes |
| Main Light Operator Included | Yes |
| Momentary High Beam Flasher Includ | Yes |
| New or Reman | New |
| Number Of Connector Cavities | 1 |
| Rear Window Washer Spray Included | No |
| Rear Window Wiper Delay Control In | No |
| Rear Window Wiper Speed Setting In | No |
| Running Light Operator Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Turn Signal Control Included | Yes |
| Turn Signal/Directional Indicator | Yes |
| Voltage | 12 |
| Windshield Washer Spray Included | No |
| Windshield Wiper Delay Setting Inc | No |
| Windshield Wiper Speed Setting Inc | No |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Jeep | Wrangler | N/A | w/ Front Fog Lights | ||
| 2006 | Jeep | Wrangler | 4.0L | L6 | N/A | Compatible with vehicles equipped with fog lights. |
| 2006 | Jeep | Wrangler | 2.4L | L4 | N/A | Compatible with vehicles equipped with fog lights. |
| 2006 | Jeep | Wrangler | N/A | Compatible with vehicles equipped with 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 | w/ Fog Lights; Headlight, Dimmer and Turn Signal Switch |
| 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 | |
| 2005 | Jeep | Wrangler | 4.0L | L6 | N/A | |
| 2004 | Jeep | TJ | N/A | w/ Fog Lights; Combo Switch Assembly | ||
| 2004 | Jeep | TJ | N/A | Compatible with vehicles equipped with fog lights. | ||
| 2004 | Jeep | Wrangler | N/A | w/ Fog Lights; Combo Switch Assembly | ||
| 2004 | Jeep | Wrangler | N/A | |||
| 2004 | Jeep | Wrangler | N/A | Compatible with vehicles equipped with fog lights. | ||
| 2003 | Jeep | TJ | N/A | Compatible with vehicles equipped with fog lights. | ||
| 2003 | Jeep | TJ | N/A | w/ Fog Lights; Combo Switch Assembly | ||
| 2003 | Jeep | Wrangler | N/A | |||
| 2003 | Jeep | Wrangler | N/A | Compatible with vehicles equipped with 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 | Compatible with vehicles equipped with fog lights. | ||
| 2002 | Jeep | TJ | N/A | |||
| 2002 | Jeep | Wrangler | N/A | Compatible with vehicles equipped with 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 | Compatible with vehicles equipped with 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 | Compatible with vehicles equipped with fog lights. |
* 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.