Dorman 601-187 High Intensity Discharge (HID) Lighting Ballast

Dorman 601-187 HID Ballast for Cadillac Escalade

Dorman 601-187 is a high-intensity discharge lighting ballast built to match the fit and performance of the original unit on select Cadillac Escalade applications. It helps restore proper HID headlight operation when the factory ballast fails, with a direct replacement design for the specified vehicles.

• OE-style replacement HID ballast for exterior lighting systems
• Silver aluminum housing for durable electronic component protection
• Blade terminal design with 2 connectors and 5 terminals
• Complete control module replacement type
• Body dimensions: 4.69 in. long, 2.9 in. wide, 1.3 in. thick

Fitment Details

• Fits 2003-2006 Cadillac Escalade, N/A
• Fits 2003-2006 Cadillac Escalade ESV, N/A
• Fits 2003-2006 Cadillac Escalade EXT, N/A

This Dorman 601-187 HID ballast is used to address common headlight issues on Cadillac Escalade, Escalade ESV, and Escalade EXT models equipped with HID lighting. It cross-references 3H-60000 and 19121438 for the same application.

Common Problems It Can Solve

• Headlight not turning on after ballast failure
• Intermittent HID lamp operation
• Dim or unstable HID headlight output
• Loss of proper headlight function after electrical component wear
• Need for a direct replacement ballast on specified Cadillac models

Installation Notes and Tips

Verify the original ballast part number and connector style before installation. This unit uses a blade terminal layout with 2 connectors and does not include a wiring harness, so the existing vehicle wiring should be inspected for corrosion, heat damage, or loose terminals before the new ballast is installed.

Quality Assurance

Dorman designs this HID ballast as a direct-fit replacement electronic control module for the listed Cadillac applications, with fit and performance aligned to the original part.