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2006 B6 A4 Quattro 3.0 Cabrio: AC not kicking in

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Old 06-12-2019, 08:16 AM
vtraudt's Avatar
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Default 2006 B6 A4 Quattro 3.0 Cabrio: AC not kicking in

2006 3.0 Cabrio: AC not kicking in. Low pressure side only 18 psi, high pressure side zero. a) Tried to bypass (short) the pressure switch, but its a 3 pin design; don't have pin out, so not as easy as in the gold old times. Anyone know how to bypass the switch?
b) or better: any way to force the compressor to run? c) I checked the only AC related fuse in the driver side (left) fuse panel. d) Is there a compressor relay? If so, where? What number? e) hooked up my high/low side gauges and 'filler', but NOT taking any freon. Any and all suggestions/tips are welcome!

 
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