Dorman 601-126 High Intensity Discharge (HID) Lighting Ballast

Reliable HID Lighting Ballast for Audi and Volvo Models

The Dorman 601-126 High Intensity Discharge (HID) Lighting Ballast is designed to restore proper function to the exterior lighting system of select Audi and Volvo vehicles. Engineered with a durable aluminum body and precise electronic components, this ballast ensures consistent performance for your vehicle's HID headlights.

• Complete control module replacement for HID lighting systems
• Durable silver aluminum body measuring 3.9" length, 3.5" width, and 1.2" thickness
• Blade terminal type with 21 terminals and 2 connectors for secure electrical connections
• Compatible with multiple Audi and Volvo models including A3, A4, RS4, S3, S4, C30, C70, S40, and V50
• Does not include wiring harness or installation hardware

Product Details and Specifications

This Dorman HID lighting ballast features a robust aluminum housing that provides heat dissipation and protection against environmental factors. The silver body color complements the vehicle's engine bay aesthetics while the blade terminal type ensures reliable connectivity. With 21 terminals and 2 connectors, the ballast integrates seamlessly with the vehicle's existing wiring harness. The unit is a complete control module replacement, designed to meet or exceed OEM specifications for the listed Audi and Volvo models.

Compatible Vehicles and Applications

This ballast is compatible with the following vehicles:

• Audi A3 and A3 Quattro
• Audi A4 and A4 Quattro
• Audi RS4
• Audi S3 and S4
• Volvo C30 and C70
• Volvo S40 and V50

It is intended for use in restoring or replacing faulty HID lighting ballasts that cause headlight flickering, failure to ignite, or inconsistent light output.

Common Issues Addressed by Dorman 601-126 HID Ballast

• Headlight flickering or intermittent operation
• Failure of HID headlights to turn on
• Dim or inconsistent light output from HID lamps
• Electrical faults related to ballast malfunction
• Corrosion or damage to original ballast housing

Installation Notes and Tips

Installation of the Dorman 601-126 HID ballast requires basic electrical knowledge and proper handling of HID components. Note that this unit does not include a wiring harness or installation hardware, so reusing existing connectors is necessary. Ensure the vehicle's battery is disconnected before installation to prevent electrical shock. Verify compatibility with your specific Audi or Volvo model and test the lighting system after installation to confirm proper operation.

Quality Assurance and Warranty

Dorman manufactures this HID lighting ballast to meet stringent quality standards, using durable aluminum housing and reliable electronic components. While installation hardware and wiring harness are not included, the product is designed as a direct replacement for the original control module. Please refer to Dorman's warranty policy for coverage details on the 601-126 part number.