cartek speedo converter help in fitting

1&onlygti-r

Member
these are the wires i have out of the cartek
red 12v
green earth
yellow kmh signal input
blue speedo
grey ecu

can you tell me which colour wires need to be cut behind the speedo to allow this to work, i no its the middle multiplug behind the speedo they should all fit into that, just need to no which one above goes to which colour in the loom thanks
 
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