Pinouts >  Genuine GM Opel, Chevrolet, Buick, Pontiac, Saturn, Cadillac car audio  >  Cadillac pinouts
32 pin GM Buick Oldsmobile old proprietary connector layout
32 pin GM Buick Oldsmobile old proprietary connector
at the car stereo cable
p/n 15282637. Includes external Amplifier p/n 25767258, DVD Player U42, CD Changer  p/n  YKC265AKY2, YKC265KY2

32 pin U2V/U2X/U2Y main audio connector p/n 12110115

Pin
Number
wire color Function
E4 OG FM Composite Signal
E6 PU Class 2 Serial Data (Primary)
E7 BK SHIELD Shield 1 (U2X/U2Y)
E8 PU COAX Coax 1 (U2X/U2Y)
E12 TN Left Front Low Level Audio Signal (+)
E13 D-GN Left Front Low Level Audio Signal (-)
E14 BARE Drain Wire
E15 BARE Drain Wire
E16 BK/WH Ground
F1 RD/WH Battery Positive Voltage
F2 BN Vehicle Speed Signal
F6 PU Class 2 Serial Data (Primary)
F7 BK SHIELD Shield 3 (U42)
F8 PU COAX Coax 3 (U42)
F11 BARE Shield
F12 YE Navigation Voice (+)
F13 WH Navigation Voice (-)
F14 L-GN Right Front Low Level Audio Signal (-)
F15 L-BU Right Front Low Level Audio Signal (+)

6 pin U2X connector p/n 72835862

 

Pin
Number
wire color Function
2 YE HIT 64 BUS Request
3 GY HIT 64 (+)
5 BARE HIT 64 Ground
6 BN HIT 64 (-)

 

5 pin U2V/U2X/U2Y connector p/n 7283583030

Pin
Number
wire color Function
1 PK or GY Cellular Microphone Signal (U2V) or Cellular Microphone Signal (U2X/U2Y)
2 PK/BK or BARE Cellular Microphone Low Reference(U2V) or Drain Wire (U2X/U2Y)

 

CD Changer  p/n  YKC265AKY2, YKC265KY2

16 pin plug p/n 7123-7169

Pin
Number
wire color Function
1 BK/WH Ground
5 BN/WH Remote Radio Right Audio Signal (U2K/U2L/U42)
6 BARE S B and Auxiliary Stereo Shield (U2K/U2L/U42)
7 PU Class 2 Serial Data (Primary)
10 PU Steering Wheel Control Supply Voltage
11 D-BU Steering Wheel Controls Signal
13 D-GN/WH Remote Radio Audio Output (-) (U2K/U2L/U42)
14 TN/WH Remote Radio Left Audio Signal (U2K/U2L/U42)
15 PU Class 2 Serial Data (Primary)
16 RD/WH Battery Positive Voltage

20 pin plug p/n 7123-1403

Pin
Number
wire color Function
1 L-BU Remote Playback Device Left Audio Signal (U42)
2 L-GN Remote Playback Device Right Audio Signal (U42)
3 BARE RSA Shield (U42)
4 TN Left Front Low Level Audio Signal (+) - Radio
5 L-BU Right Front Low Level Audio Signal (+) - Radio
6 TN Left Front Low Level Audio Signal (+) - Amplifier
7 L-BU Right Front Low Level Audio Signal (+) - Amplifier
8 BARE Right Audio Shield
9 GN/WH TV Left Audio Signal (Export)
10 L-BU/WH TV Right Audio Signal (Export)
12 BN Remote Playback Device Audio Common Signal (U42)
14 D-GN Left Front Low Level Audio Signal (-) - Radio
15 L-GN Right Front Low Level Audio Signal (-)
16 D-GN Left Front Low Level Audio Signal (-) - Bose Amplifier
17 BARE Drain Wire - Bose Amplifier
18 L-GN Right Front Low Level Audio Signal (-) - Bose Amplifier
19 GY/BK TV Audio Common Signal (Export)

 

DVD Player U42

 

Pin
Number
wire color Function
1 TN/WH Remote Radio Left Audio Signal
2 BN/WH Remote Radio Right Audio Signal
3 BARE SHIELD Drain Wire - Auxiliary Video Ground (U2V/U2X/U2Y)
5 PU Class 2 Serial Data (Primary)
7 D-GN/WH Remote Radio Audio Common
9 PU COAX Coax 4 - Auxiliary Video (+) (U2V/U2X/U2Y)
10 RD/WH Battery Positive Voltage
12 BK Ground

Pin
Number
wire color Function
1 L-BU RSA Left Audio Signal (U2V/U2X/U2Y)
2 L-GN 5313 RSA Right Audio Signal (U2V/U2X/U2Y)
3 BK SHIELD Drain Wire- Antenna Navigation Screen (U2X/U2Y)
4 GY/BK TV Audio Common Signal (U2X/U2Y)
5 BN RSA Audio Common Signal (U2V/U2X/U2Y)
6 PU COAX TV Video (+) (U2X/U2Y)
7 L-GN/WH TV Left Audio Signal (U2X/U2Y)
8 L-BU/WH TV Right Audio Signal (U2X/U2Y)

 

 

External Amplifier p/n 25767258

Pin
Number
wire color Function
A BK Ground
B D-BU/WH Rear Subwoofer Speaker Output (+)
G L-GN/BK Rear Subwoofer Speaker Output (-)
H RD/BK Battery Positive Voltage

 

Pin
Number
wire color Function
A2 WH Left Rear Midrange Speaker Output (-)
A3 TN Left Rear Midrange Speaker Output (+)
A4 TN Left Front Tweeter Speaker Output (+)
A5 YE Left Front Tweeter Speaker Output (-)
A6 L-BU Front Center Speaker Output (-)
A7 YE Front Center Speaker Output (+)
A8 PU Right Front Tweeter Speaker Output (-)
A9 L-GN Right Front Tweeter Speaker Output (+)
A10 TN Right Rear Midrange Speaker Output (+)
A11 OG Right Rear Midrange Speaker Output (-)
A12 L-BU/BK Cellular Telephone Voice Low Reference (UE1)
B8 L-GN Right Front Low Level Audio Signal (-) (U2X/U2V/U2Y)
B9 D-GN Left Front Low Level Audio Signal (-) (U2X/U2V/U2Y)
B10 TN Left Front Low Level Audio Signal (+) (U2X/U2V/U2Y)
B11 L-BU Right Front Low Level Audio Signal (+) (U2X/U2V/U2Y)
B12 D-BU Cellular Telephone Voice Signal (UE1)

 

Pin
Number
wire color Function
6 PU Class 2 Serial Data (U57)
7 BARE Drain Wire (U57)
8 D-GN Noise Reduction Microphone Supply Voltage (U57)
9 WH Navigation Voice In (-) (U2V/U2X/U2Y)
10 YE Navigation Voice In (+) (U2V/U2X/U2Y)

 

 

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Cadillac SRX (2004-2006), XLR (2004-2009) U2V/U2X/U2Y Head Units visual pinout:click to enlarge
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