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B4 air con won't stop - wiring diagrams needed

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  • B4 air con won't stop - wiring diagrams needed

    Hi,


    I replaced my cabriolets AAH engine with ANB from A6. Everythig else works fine but the air conditioning needs a bit solving. I replaced also radiator and ac condenser. So I'm not able to use original hi-pressure switches located in the condenser. When I attach wires to A6 pressure switch, the air conditioning starts but it won't take any breaks. I assume that pressure rises too high. Compressor keeps pumping all the time when AC putton is depressed. Should I try pressure switch that is used in manually operated A4 air conditioning or should I add some kind of evaporator freeze switch that would control compressor based on evaporator temperature? All kinds of help is appreciated.

    I'd like to have B4 and B5 (4 cyl) ac wiring diagrams but I can't find any. Thanks
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