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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
at the head unit
Pin
Number
Function
1 Rear right loudspeaker, positive
2 Front right loudspeaker, positive
3 Front left loudspeaker, positive
4 Rear left loudspeaker, positive
5 Rear right loudspeaker, negative
6 Front right loudspeaker, negative
7 Front left loudspeaker, negative
8 Rear left loudspeaker, negative
9 CAN bus, high
10 CAN bus, low
12 Voltage supply, negative, terminal 31
13 Switch-on signal, radio
15 Voltage supply, positive, terminal 30
16 Permanent plus, connected to PIN 15, anti-theft alarm system

 


12 pin Connector C

 

Pin
Number
Function
6 Telephone LF input signal (-)
12 Telephone LF input signal (+)

 

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