I don't have a 120Y manual..

But
2 wires will go to neutral/park switch
2 wires will go to reverse switch.
2 wires will be for the kickdown switch.

It's the first two that you must short out.

I'd guess that it's the two red ones. If it's similar to the 1200.

Chris

i am converting my 120y coupe to manual, i have done everything else gearbox, clutch cable etc. the only thing holding me back is 6 wires connect to a auto transmission, which wire is what, which ones do i have to connect together to be able to start it and also which ones are the reverse light ones.

there are:

2x black thick wires with yellow stripes
2x red wires
1 thin black wire
and a green wire