corsa b speedo, electrical to mechanical

[JP360]

hi all,
i know its not a corsa site but my corsa b originally had mechanical driven speedo but ive put a new gearbox in with an electrical speedo drive. how do i wire the speedo out put to a set of electrical clocks?

cheers JP360

[Mieran]

What box is it?

Should be 3 wires coming from trandsducer black, brown and red/blue

Black = ignition live

Brown = Earth

Red/black = signal to clocks

[JP360]

F13 i think. there is a three pin socket on the speedo part on the box. do i just wire off that to the clocks?