Auxiliary Air Regulator wires

[Ferdinand]

Hi !
I have a 1981 Spider 2000
I accidentally mixed the two wires to the auxiliary air regulator. Can anybody please tell me which wire is to the front side of the car on the plug. The one stamped 34 or the 46 ?
The car won't run on idle, only over 2000 rpm. I've checked the ECU and replaced the main relais. Now I'm looking for any broken wires. Any good ideas?
Roy