I got a skoda octavia II from 2005, it got gala in the "iso connector" but NO vss, do i need to get it from the instrument cluster or is the gala ok??

sorry 4 my baaad english

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The Skoda Octavia uses a CAN-BUS system to distribute information between the various systems in the vehicle, so you need a module to decipher the signal. Such as this - http://www.sailesmarketing.com/ProductDetails.asp?id=47

a little late perhaps, but i answer for future searches: yes, you can use the gala signal as vvs