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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 13190855, Delphi Grundig GM part 334 183 129. For Astra, Astra Belmont, Astra Estate, Astra H, Astra H Caravan, Astra H GTC, Astra H Sport Hatch, Astra H Stufenheck, Astra H Twintop, Astra H Van, Corsa, Corsa C, Vectra, Vectra C

Grundig

Blaupunkt

Head unit pinout abbreviations

Pin
Notation
Pin function

Power pins

BAT+ Battery+  (12V direct from Battery). 
GND, GROUND Chassis Ground
CE+ Ignition powered. +12 V with the ignition key is in the ACC or ON position.
ILL Light-on signal or backlight adjustment. +12V supplied to light-on pin of head unit when tail lights ar turned on.
AA Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) 

Audio pins

FR+ or RF+ Front right speaker out
FL+ or LF+ Front left speaker out
RR+ Rear right speaker out
LR+ or  RL+ Rear left speaker out
FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND The corresponding speaker ground

Misc. pins

TEL Mute This pin is used to silence the audio, earthed by some other external components that is connected to the radio.
 SDV This pin is used in some radio equipment to automatically boost up the volume. It needs the output from the speed sensor.
SDA, SCL, MRQ Head unit I2C bus communication (i.e. for on-board display)
SWC Steering wheel control buttons

Astra H,Vectra C, Signum, Meriva,Combo, Tigra,Agila ca ab 03/2004

Corsa ca 09/2004-08/2006

Vivaro: ca ab Ende 2006 

According to 5 reports in our database (1 positive and 0 negative) the Opel CD30 MP3 Head Unit pinout should be correct.

Is this pinout
Opel CD30 MP3 Head Unit visual pinout:click to enlarge
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