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52 pin Volkswagen Quadlock connector layout
52 pin Volkswagen Quadlock connector
p/n 4G0035188EX, 4G0035188D

52 multi-pin connector

Pin
Number
Description
A1 Loudspeaker (+), rear right
A2 Loudspeaker (+), front right
A3 Loudspeaker (+), front left
A4 Loudspeaker (+), rear left
A5 Loudspeaker (–), rear right
A6 Loudspeaker (–), front right
A7 Loudspeaker (–), front left
A8 Loudspeaker (–), rear left
A9 Subwoofer (+)
A10 Centre loudspeaker (+)
A13 Subwoofer (-)
A14 Centre loudspeaker (-)
A17 Terminal 31
A18 Terminal 30
Pin
Number
Description
B1 Data from multimedia system operating unit
B2 RES BT multimedia system operating unit
B4 Microphone input (+) from microphone unit in front roofmodule, front left microphone
B7 Data to multimedia system operating unit
B8 Wake-up multimedia system operating unit
B9 Res HU to multimedia system operating unit
B12 Microphone input (–) from microphone unit in front roof module front left microphone
Pin
Number
Description
C1 NF in, earth (low frequency)
C2 NF in, right-side (low frequency)
C3 USB (+5 V)
C4 USB (earth)
C6 Detect
C7 NF in, left-side (low frequency)
C8 NF in, screen earth (low frequency)
C9 FBAS wire (+)
C10 FBAS wire (–)
C11 iPod data
C12 iPod data
Pin
Number
Description
E7 Open circuit diagnostic lead

4 pin light-brown connector

Pin
Number
Description
1 D (+)
2 iPod detected
3 D (–)
4 Earth

4 pin purple connector

Pin
Number
Description
1 LVDS (–)
2 LIN
3 LVDS (+)
4 Earth

 

  •  Audi  A6 Allroad Quattro    2013-2020
  • Audi   A6/S6/Avant/Quattro    2011-2014
  • Audi  A7 Sportback    2011-2014
4 pin Head Unit LVDS shaped connector layout
4 pin Head Unit LVDS shaped connector
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Audi (2011-2020) A6 RMC plus (LOW II) unit visual pinout:click to enlarge
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