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40 (16+12+12) pin QuadLock Fakra Head Unit / Car Stereo connector layout
40 (16+12+12) pin QuadLock Fakra Head Unit / Car Stereo connector
p/n 8P0057195PX

A connector

Pin
Number
Description
2 Right front speaker (+) (not with BOSE)
3 Left front speaker (+) (not with BOSE)
6 Right front speaker (-) (not with BOSE)
7 Left front speaker (-) (not with BOSE)
9 CAN-Bus High (Infotainment)
10 CAN-Bus Low (Infotainment)
11 NF mute from preliminary setup for cell phone preparation
12 Terminal 31
13 Positive switched to Amplifier/Woofer (in left rear luggage compartment) / Amplifier R12
15 Terminal 30
16 Permanent positive connected with PIN 15 (anti-theft warning system)

B connector (blue)

Pin
Number
Description
2 CD ground to CD Changer
4 Permanent positive to CD Changer
5 BOSE coding to ground (only with BOSE)
6 CD data out to CD Changer
8 Left signal from CD Changer
9 Right signal from CD Changer
10 Positive switched to CD Changer
11 CD data in from CD Changer
12 CD CLK from CD Changer

C connector

Pin
Number
Description
3 Left front signal to Amplifier (only with BOSE)
5 Left rear signal to Amplifier/Woofer (in left rear luggage compartment) / Amplifier
6 NF (-) from Telephone Transceiver/preliminary setup for cell phone package
8 Signal ground to Amplifier/Woofer (in left rear luggage compartment) / Amplifier
9 Right front signal to Amplifier (only with BOSE)
11 Right rear signal to Amplifier/Woofer (in left rear luggage compartment) / Amplifier 
12 NF (+) from Telephone Transceiver /preliminary setup for cell phone package

 

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