Quote:
Originally Posted by HPsauce
It might not. 
There are multiple versions with the same plug and two fundamental changes:
1. Different pins are used for different purposes. (You find that out after it doesn't work and you open it up)
2. The security protocol signals are different. (You find that out after opening it up and rejigging the wiring, still doesn't work!)
I think there are "some" versions from other Audi cars that will work, but most won't.
Is your original alarm horn the "rounded cube" style or the later more brick-shaped one with a circular sounder face? |
Part number was 8L0951605A instead of 8L0951605. So assumed it's just the 'case's that changes.
Mine is rounded cube one.