OE Quality
60-Day Returns

Dorman 601-187 High Intensity Discharge (HID) Lighting Ballast
Reliable HID Lighting Ballast for Cadillac Escalade Models
The Dorman 601-187 High Intensity Discharge (HID) Lighting Ballast is engineered to restore proper function to the exterior lighting system of your Cadillac Escalade, Escalade ESV, or Escalade EXT. Designed with durable aluminum housing and precise electronic components, this ballast ensures consistent performance and longevity.
- Compatible with Cadillac Escalade, Escalade ESV, and Escalade EXT models
- Durable silver aluminum body measuring 4.69" length x 2.9" width x 1.3" thickness
- Blade terminal type with 5 terminals and 2 connectors for secure electrical connections
- Complete control module replacement for electronic component reliability
- Includes one HID ballast unit; wiring harness and installation hardware not included
Product Features and Specifications
The Dorman 601-187 HID Lighting Ballast features a robust aluminum body that provides heat dissipation and corrosion resistance, essential for maintaining optimal lighting performance in various driving conditions. The silver finish complements the vehicle’s exterior components while the blade terminal type ensures compatibility with factory wiring. This ballast is a complete control module replacement, designed to meet the electrical demands of the Cadillac Escalade series without requiring additional wiring harnesses or installation hardware.
Purpose and Common Applications
- Restores proper function to HID headlights on Cadillac Escalade, Escalade ESV, and Escalade EXT
- Resolves flickering or dimming headlight issues caused by faulty ballasts
- Eliminates intermittent lighting failures and improves headlight reliability
- Replaces damaged or corroded ballast units to maintain safe nighttime visibility
- Supports consistent voltage regulation for HID lighting systems
Installation Notes and Tips
Installation of the Dorman 601-187 HID Lighting Ballast requires basic automotive electrical knowledge. Since the wiring harness and installation hardware are not included, ensure you have the necessary tools and connectors before beginning. Disconnect the vehicle battery prior to installation to prevent electrical shorts. Carefully match the blade terminals and connectors to the factory wiring harness to avoid damage. Professional installation is recommended if you are unfamiliar with HID lighting systems.
Quality Assurance and Warranty Information
Dorman manufactures the 601-187 HID Lighting Ballast to meet or exceed OEM standards for fit, form, and function. The aluminum body and electronic components are tested for durability and performance under typical operating conditions. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Cadillac Escalade, Escalade ESV, and Escalade EXT vehicles.
| Brand | Dorman |
|---|---|
| Part Number | 601-187 |
| Body Color | Silver |
| Body Length | 4.69 |
| Body Material | Aluminum |
| Body Thickness | 1.3 |
| Body Width | 2.9 |
| Connector Quantity | 2 |
| Electronic Component Replacement Type | Complete Control Module |
| Installation Hardware Included | No |
| Package Contents | 1 HID Ballast |
| Terminal Quantity | 5 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Cadillac | Escalade | N/A | |
| 2006 | Cadillac | Escalade ESV | N/A | |
| 2006 | Cadillac | Escalade EXT | N/A | |
| 2005 | Cadillac | Escalade | N/A | |
| 2005 | Cadillac | Escalade ESV | N/A | |
| 2005 | Cadillac | Escalade EXT | N/A | |
| 2004 | Cadillac | Escalade | N/A | |
| 2004 | Cadillac | Escalade ESV | N/A | |
| 2004 | Cadillac | Escalade EXT | N/A | |
| 2003 | Cadillac | Escalade | N/A | |
| 2003 | Cadillac | Escalade ESV | N/A | |
| 2003 | Cadillac | Escalade EXT | 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.