A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 M L K J H G A B C D E F H G F E A B C D 4 3 2 1 8 7 6 5 8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 28 27 26 25 24 23 22 21 20 19 18 17 16 15 37 36 35 34 33 32 31 30 29 44 43 42 41 40 39 38 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 Factory Cadillac radio, navigation and amplifier connector drawings. Match the part number, equipment option and connector keying.
Chevrolet (2003-2010), Cadillac, GMC, Saab 9-7X Head Units for wide range of models produced in 2003-2009 years. Should be compatible p/n 1035957, 15917881, 15927261, 15196057, 15184935, 25753974, 15196055, 15234935, 25753974, 10357886, 15195858, 10359577, 10359565, 15184935, 28058188, 10359594, 15849619, 15115013, 10359565, 15927256. Saab 15783685, 15774309.
Connector overview
24 pin Gray 12110088 connector 12 pin 12064799 connector
24 pin Gray 12110088 connector
Pin
Function
Wire colour
A1
Radio Class 2 Serial Data
ORN
A3
UQ3/UQ5: N/A · UQ7: Rear Seat Audio Enable Signal (UQ7 w/o Y91)
PPL
A4
UQ3/UQ5: N/A · UQ7: FM Composite Signal (UQ7 w/ Y91)
RED
A8
UQ3/UQ5: Left Front Speaker Output (+) (UQ3/UQ5) · UQ7: Left Front Low Level Audio Signal (+) (UQ7)
TAN
A9
UQ3/UQ5: Left Front Speaker Output (-) (UQ3/UQ5) · UQ7: Left Front Low Level Audio Signal (-) (UQ7)
GRY or DK GRN
A10
UQ3/UQ5: Right Rear Speaker Output (-) (UQ3/UQ5) · UQ7: Right Rear Low Level Audio Signal (-) (UQ7)
LT BLU or BLK
A11
UQ3/UQ5: Right Rear Speaker Output (+) (UQ3/UQ5) · UQ7: Right Rear Low Level Audio Signal (+) (UQ7)
DK BLU
A12
Ground
BLK/WHT
B1
Battery Positive Voltage
ORN
B3
UQ3/UQ5: · UQ7: Radio On Signal (UQ7 w/o Y91) or
PNK or DK GRN
12 pin 12064799 connector
Pin
Function
Wire colour
C
Drain Wire (w/ U2K/U2L)
BARE
E
Vehicle Speed Signal (w/ Y91)
DK GRN/WHT
H
Remote Playback Device Right Audio Signal(w/ U2K/U2L)
DK GRN/ WHT
J
Remote Playback Device Left Audio Signal (w/ U2K/U2L)
BRN/WHT
K
Remote Playback Device Common Audio Signal (w/ U2K/U2L)
BLK/WHT
L
Cellular Telephone Voice Low Reference / Remote Radio Audio Output (-)
ORN/BLK
M
Cellular Telephone Voice Signal / Remote Radio Left Audio Signal
PNK/BLK
Cadillac (2002-2008) CTS BOSE amplifier p/n 15227989; also 15141055, 15227989, 25684649, 25739958, 25745128, 25746136, 25751424, 25762410, 25766998 ?
Connector overview
Connector 1 Connector 2
Connector 1
Pin
Function
Wire colour
A
Ground
BK/WH
C
Right Front Subwoofer Speaker Output (-)
D-GN
D
Left Front Subwoofer Speaker Output (+)
TN
E
Left Front Subwoofer Speaker Output (-)
GY
F
Right Subwoofer Speaker Output (+)
L-GN
H
Battery Positive Voltage
RD/BK
Connector 2
Pin
Function
Wire colour
A2
Left Seat Speaker Output (+)
BN
A3
Left Seat Speaker Output (-)
YE
A4
Left Front Midrange Speaker Output (+)
TN
A5
Left Front Midrange Speaker Output (-)
YE
A6
Front Center Speaker Output (-)
L-BU
A7
Front Center Speaker Output (+)
YE
A8
Right Front Midrange Speaker Output (-)
PU
A9
Right Front Midrange Speaker Output (+)
L-GN
A10
Right Seat Speaker Output (-)
L-BU
A11
Right Seat Speaker Output (+)
D-BU
A12
Remote Playback Device Audio Common Signal (UE1)
L-BU
B8
Right Low Level Audio Signal (-)
L-GN
B9
Left Low Level Audio Signal (-)
D-GN
B10
Left Low Level Audio Signal (+)
TN
B11
Right Low Level Audio Signal (+)
D-GN/WH
B12
Remote Playback Device Audio Signal (UE1)
OG/BK
Cadillac (2004-2007) SRX (U57) Bose amplifier p/n 25767258
Connector overview
Connector 1 Connector 2
Connector 1
Pin
Function
Wire colour
A
Ground
BK
B
Rear Subwoofer Speaker Output (+)
D-BU/WH
G
Rear Subwoofer Speaker Output (-)
L-GN/BK
H
Battery Positive Voltage
RD/BK
Connector 2
Pin
Function
Wire colour
A2
Left Rear Midrange Speaker Output (-)
WH
A3
Left Rear Midrange Speaker Output (+)
TN
A4
Left Front Tweeter Speaker Output (+)
TN
A5
Left Front Tweeter Speaker Output (-)
YE
A6
Front Center Speaker Output (-)
L-BU
A7
Front Center Speaker Output (+)
YE
A8
Right Front Tweeter Speaker Output (-)
PU
A9
Right Front Tweeter Speaker Output (+)
L-GN
A10
Right Rear Midrange Speaker Output (+)
TN
A11
Right Rear Midrange Speaker Output (-)
OG
A12
Cellular Telephone Voice Low Reference (UE1)
L-BU/BK
B8
Right Front Low Level Audio Signal (-) (U2X/U2V/U2Y)
L-GN
B9
Left Front Low Level Audio Signal (-) (U2X/U2V/U2Y)
D-GN
B10
Left Front Low Level Audio Signal (+) (U2X/U2V/U2Y)
TN
B11
Right Front Low Level Audio Signal (+) (U2X/U2V/U2Y)
L-BU
B12
Cellular Telephone Voice Signal (UE1)
D-BU
Chevrolet (2007-2014), Cadillac, GMC 6 channel amplifier (UQA w/o Y91) p/n 15186663 ?
Connector overview
Audio Amplifier X1 (OEM 15491289, Service 19115652 connector) Audio Amplifier X2 (OEM 15489823, Service 15134091 connector) Audio Amplifier X3 (UQA, except Y91), OEM 15491285 Service 15136073 connector
Audio Amplifier X1 (OEM 15491289, Service 19115652 connector)
Pin
Function
Wire colour
2
Right Subwoofer Speaker Output (-)
L-BU/BK
3
Left or Rear Subwoofer Speaker Output (-)
L-GN/BK
4
Battery Positive Voltage
RD/WH
6
Right Subwoofer Speaker Output (+)
D-GN
7
Left or Rear Subwoofer Speaker Output (+)
D-BU/WH
8
Ground
BK
Audio Amplifier X2 (OEM 15489823, Service 15134091 connector)
Pin
Function
Wire colour
1
Right Front Speaker Output (-)
D-GN
2
Right Front Speaker Output (+)
L-GN
3
Left Front Speaker Output (-)
GY
4
Left Front Speaker Output (+)
TN
5
Right Rear Speaker Output (-)
L-BU
6
Right Rear Speaker Output (+)
D-BU
7
Left Rear Speaker Output (-)
YE
8
Left Rear Speaker Output (+)
BN
Audio Amplifier X3 (UQA, except Y91), OEM 15491285 Service 15136073 connector
Pin
Function
Wire colour
4
Right Rear Low Level Audio Signal (-)
TN
5
Left Rear Low Level Audio Signal (-)
BN
6
Right Front Low Level Audio Signal (-)
OG/BK
7
Left Front Low Level Audio Signal (-)
D-GN
8
Entertainment Remote Enable Signal
WH
11
Amplifier Control
OG
12
Right Rear Low Level Audio Signal (+)
D-BU
13
Left Rear Low Level Audio Signal (+)
BN/WH
14
Right Front Low Level Audio Signal (+)
L-GN/WH
15
Left Front Low Level Audio Signal (+)
TN
Chevrolet (2007-2014), Cadillac, GMC 9 channel amplifier (UQA with Y91) p/n 15937318, 20808897
Connector overview
Audio Amplifier X1 (OEM 15491286, Service 88988652 connector) Audio Amplifier X2 (OEM 15489823, Service 15134091 connector) Audio Amplifier X3 (OEM 15491285, Service 15136073 connector)
Audio Amplifier X1 (OEM 15491286, Service 88988652 connector)
Pin
Function
Wire colour
1
Left or Rear Subwoofer Speaker Output (+)
D-BU/WH
2
Left or Rear Subwoofer Speaker Output (-)
L-GN/BK
3
Right Subwoofer Speaker Output (-)
L-BU/BK
4
Battery Positive Voltage
RD/WH
7
Right Subwoofer Speaker Output (+)
D-GN
8
Ground
BK
Audio Amplifier X2 (OEM 15489823, Service 15134091 connector)
Pin
Function
Wire colour
1
Low Speed GMLAN Serial Data
D-GN
2
Right Rear Midrange Speaker Output (-)
OG
3
Right Rear Midrange Speaker Output (+)
TN/WH
4
Left Front Speaker Output (+)
TN
5
Left Front Speaker Output (-)
GY
6
Right Front Speaker Output (-)
D-GN
7
Right Front Speaker Output (+)
L-GN
8
Right Rear Speaker Output (-)
L-BU
10
Left Rear Midrange Speaker Output (-)
WH
11
Left Rear Midrange Speaker Output (+)
TN
12
Front Center Speaker Output (-)
L-BU
13
Front Center Speaker Output (+)
YE/BK
14
Left Rear Speaker Output (-)
YE
15
Left Rear Speaker Output (+)
BN
16
Right Rear Speaker Output (+)
D-BU
Audio Amplifier X3 (OEM 15491285, Service 15136073 connector)
Pin
Function
Wire colour
3
Right Front Low Level Audio Signal (+)
L-GN/WH
4
Right Front Low Level Audio Signal (-)
OG/BK
5
Amplifier Audio Prompt Signal (-)
GY
6
Drain Wire
BARE
11
Left Front Low Level Audio Signal (+)
TN
12
Left Front Low Level Audio Signal (-)
D-GN
13
Amplifier Audio Prompt Signal (+)
PU
14
Noise Compensation Microphone Control
D-GN
Chevrolet (2007-2014), Cadillac, GMC 9-channel luxury amplifier (UQS) p/n 15937320, 20808898, 25939529, 25937990
Connector overview
Audio Amplifier X1 (OEM 15491286, Service 88988652 connector) Audio Amplifier X2 (OEM 15489823, Service 15134091 connector) Audio Amplifier X3 (OEM 15491285, Service 15136073 connector) Audio Amplifier X4 (OEM 15466054, Service 15136074 connector)
Audio Amplifier X1 (OEM 15491286, Service 88988652 connector)
Pin
Function
Wire colour
1
Left or Rear Subwoofer Speaker Output (+)
D-BU/WH
2
Left or Rear Subwoofer Speaker Output (-)
L-GN/BK
3
Right Subwoofer Speaker Output (-)
L-BU/BK
4
Battery Positive Voltage
RD/WH
7
Right Subwoofer Speaker Output (+)
D-GN
8
Ground
BK
Audio Amplifier X2 (OEM 15489823, Service 15134091 connector)
Pin
Function
Wire colour
1
Low Speed GMLAN Serial Data
D-GN
2
Right Rear Midrange Speaker Output (-)
OG
3
Right Rear Midrange Speaker Output (+)
TN/WH
4
Left Front Speaker Output (+)
TN
5
Left Front Speaker Output (-)
GY
6
Right Front Speaker Output (-)
D-GN
7
Right Front Speaker Output (+)
L-GN
8
Right Rear Speaker Output (-)
L-BU
10
Left Rear Midrange Speaker Output (-)
WH
11
Left Rear Midrange Speaker Output (+)
TN
12
Front Center Speaker Output (-)
L-BU
13
Front Center Speaker Output (+)
YE/BK
14
Left Rear Speaker Output (-)
YE
15
Left Rear Speaker Output (+)
BN
16
Right Rear Speaker Output (+)
D-BU
Audio Amplifier X3 (OEM 15491285, Service 15136073 connector)
Pin
Function
Wire colour
3
Right Front Low Level Audio Signal (+)
L-GN/WH
4
Right Front Low Level Audio Signal (-)
OG/BK
5
Amplifier Audio Prompt Signal (-)
GY
6
Drain Wire
BARE
11
Left Front Low Level Audio Signal (+)
TN
12
Left Front Low Level Audio Signal (-)
D-GN
13
Amplifier Audio Prompt Signal (+)
PU
14
Noise Compensation Microphone Control
D-GN
Audio Amplifier X4 (OEM 15466054, Service 15136074 connector)
Pin
Function
Wire colour
3
Right Rear Low Level Audio Signal (+)
D-BU
4
Right Rear Low Level Audio Signal (-)
TN
5
Subwoofer Low Level Audio Signal (+)
WH
6
Subwoofer Low Level Audio Signal (-)
PK
7
CKP Signal High (Y91)
WH/BK
8
CKP Signal Low (Y91)
PU/WH
11
Left Rear Low Level Audio Signal (+)
BN/WH
12
Left Rear Low Level Audio Signal (-)
BN
13
Center Channel Low Level Audio Signal (+)
D-BU
14
Center Channel Low Level Audio Signal (-)
OG
Cadillac (2004-2006) SRX , XLR with U2V/U2X/U2Y Head Units p/n 15282637. External Amplifier p/n is 25767258, DVD Player U42, CD Changer p/n YKC265AKY2, YKC265KY2
32 pin U2V/U2X/U2Y main audio connector p/n 12110115
Pin
Function
Wire colour
E4
FM Composite Signal
OG
E6
Class 2 Serial Data (Primary)
PU
E7
SHIELD Shield 1 (U2X/U2Y)
BK
E8
COAX Coax 1 (U2X/U2Y)
PU
E12
Left Front Low Level Audio Signal (+)
TN
E13
Left Front Low Level Audio Signal (-)
D-GN
E14
Drain Wire
BARE
E15
Drain Wire
BARE
E16
Ground
BK/WH
F1
Battery Positive Voltage
RD/WH
F2
Vehicle Speed Signal
BN
F6
Class 2 Serial Data (Primary)
PU
F7
SHIELD Shield 3 (U42)
BK
F8
COAX Coax 3 (U42)
PU
F11
Shield
BARE
F12
Navigation Voice (+)
YE
F13
Navigation Voice (-)
WH
F14
Right Front Low Level Audio Signal (-)
L-GN
F15
Right Front Low Level Audio Signal (+)
L-BU
Cadillac (2008-2011) CTS opt UQS, UAV, U2X, U2Y, WXS Head Units Connector overview
44 pin Main Audio RADPB-44-1AK connector 20 pin UQS/UAV/U2X/U2Y/WXS connector p/n 15126710
44 pin Main Audio RADPB-44-1AK connector
Pin
Function
Wire colour
2
Navigation Display Serial Data Low
YE
3
Drain Wire
BARE
4
Center Channel Low Level Audio Signal (-) (UQS)
OG
5
Subwoofer Low Level Audio (-) (UQS)
PK
6
Remote Playback Device Audio Common Signal (UE1)
L-BU
7
Remote Radio Right Audio Signal (U2X/U2Y)
GY
8
Remote Radio Audio Output (U2X/U2Y)
TN/WH
9
Drain Wire (U2X/U2Y)
BARE
10
Right Auxiliary Audio Signal (2)
DGN/WH
11
Auxiliary Detection Signal
PK
13
High Position Display Control Wake-Up Signal
PU/GN
14
Low Speed GMLAN Serial Data
D-GN
15
Radio Audio Mute Signal (WXS)
OG
16
Navigation Display Serial Data High
TN
17
Discrete Audio Drain Wire (UQS)
BARE
18
Center Channel Low Level Audio Signal (UQS)
D-BU
19
Subwoofer Low Level Audio Signal (UQS)
WH
20
Remote Playback Device Left Audio Signal (UE1/WXS)
OG/BK
21
Remote Radio Right Audio Signal (U2X/U2Y)
DGN/WH
22
Remote Radio Left Audio Signal (U2X/U2Y)
BN/WH
23
Auxiliary Audio Common Signal
D-BU
24
Left Auxiliary Audio Signal (2)
L-GN
27
Remote Radio Control Signal
L-GN
28
Low Speed GMLAN Serial Data
D-GN
29
Drain Wire (UQS)
BARE
30
Drain Wire
BARE
31
Right Front Low Level Audio Signal (-)
L-GN
32
Left Front Low Level Audio Signal (-)
D-GN
33
Right Rear Low Level Audio Signal (-)
TN
34
Left Rear Low Level Audio Signal (-)
BN
37
Radio Audio Mute Signal (UQA)
OG
38
Ground
BK/WH
39
Right Front Low Level Audio Signal (+)
LGN/WH
40
Left Front Low Level Audio Signal (+)
TN
41
Right Rear Low Level Audio Signal (+)
D-BU
42
Left Rear Low Level Audio Signal (+)
BN/WH
43
Entertainment Remote Enable Signal (U2R/U2S/U2T/UAV/U2X/U2Y)
WH
44
Battery Positive Voltage
RD/WH
20 pin UQS/UAV/U2X/U2Y/WXS connector p/n 15126710
Pin
Function
Wire colour
1
COAX (U2X)
GY
2
COAX (U2X)
YE
3
Drain Wire (U2X)
BARE
4
Video Display Position Control (UAV/U2X/U2Y)
YE
5
COAX (U2X/U2Y)
GY
6
Cellular Microphone Signal (WXS) or Voice Recognition Audio Signal (UAV with UE1)
GY or PK
7
Navigation Audio Signal (+) (UQS with UAV/U2X/U2Y)
YE
8
COAX (UAV/U2X/U2Y)
BARE
9
COAX (UAV/U2X/U2Y)
TN
10
COAX (UAV/U2X/U2Y)
OG
11
COAX (U2X)
BN
13
Video Display Position Signal (UAV/U2X/U2Y)
YE
14
COAX (U2X)
YE
15
COAX (U2X/U2Y)
BK
16
Voice Recognition Audio Low Reference (UAV with UE1) or Ground (WXS)
PK/BK or BARE
17
Navigation Audio Signal (-) (UQS with UAV/U2X/U2Y)
WH
18
Drain Wire (UQS with UAV/U2X/U2Y)
BARE
19
COAX (UAV/U2X/U2Y)
YE
20
Vehicle Speed Signal (UAV/U2X/U2Y)
D-GN/WH
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