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gomi_otaku, Technician
Category: Car
Satisfied Customers: 3431
Experience:  VW Technician, VW FastTrack, VW Academy, VW Certified
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2007 is250 How can I determine if my headlights have a bad

Customer Question

2007 is250 How can I determine if my headlights have a bad ballast vs bad hid bulbs?
intermittent on off
Submitted: 1 year ago.
Category: Car
Expert:  gomi_otaku replied 1 year ago.

You can swap the bulbs from one side to the other, or you can just replace the bulb (expensive yes, but eventually you will use it even if it is not due now) Typically a bulb will start to change color slightly, becoming more reddish or pinkish, before it fails.

Customer: replied 1 year ago.
I swap bulbs still problem
Expert:  gomi_otaku replied 1 year ago.

On some headlight assemblies you can also swap just the ballast assembly across to test.