Convert Carkit SL45 to C55???

[NkCable]

Hi,

I have a original Carkit for my siemens SL45, an now I have bought a C55. I want to convert my Carkit for use with my new phone. I have de conector for C55, I only need how I have to conect it to the cable.

Thanks for all.

Sorry my english is veri Bad