Evening all, after studying some diagrams I can with certain certainty provide you with this diagram of the A/C switch.
Hereby a schematic view of the switch in which the =-sign should represent the clicking mechanism of the connector.
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| 3 | 4 | 5 | 6 |
| 1 | === | 2 |
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PIN | Color | Purpose | Destination
1 | WB (White/Black) | Negative feed (-) | Any negative feed will do
2 | unused
3 | G (Green) | Positive feed (+) | Positive feed after ignition (IG+)
4 | GW (Green/White) | LED | Cable to the A/C amplifier
5 | Y (Yellow) | A/C | Cable to the A/C amplifier
6 | L (Blue) | A/C+ | Cable to the A/C system (for example to the pressure switch)