Valeo 89390913 GM 13184051 12V AHL Control Module ballast.
GM 13 184 051 AHL module is factory fitted on Vauxhall Opel cars with curve lighting and xenon headlights.
AHL means Adaptive Headlight Lighting.
Curve lighting or adaptive lights (AFS) means it adapts to your steering wheel actions, so if you are turning left or right side xenon lights move to the same direction as well and it helps big time when you are driving at night time as it will help you to see faster what is around the corner.
How to identify faulty Valeo 89390913 AHL control unit? Usually when you turn on car and xenon lights, it should go upwards and later down to adjust it, but when ballast is faulty mostly of the times it points like downwards and doesn't move it up to allign properply.
Coding might be required after replacing part.
Valeo part number:
GM part numbers:
Opel Vauxhall part number:
- Opel Vauxhall Vectra C MK3 2005 2006 2007 2008
- Opel Vauxhall Signum 2005 2006 2007 2008