Buick OEM Head Unit Pinouts

Factory Buick radio, navigation and amplifier connector drawings. Match the part number, equipment option and connector keying.

Chevrolet (2007-2010) Traverse, Buick Enclave, GMC Acadia, Saturn Outlook Head Unit

p/n 20790838

Connector overview

Radio X1, 14-pin
Radio X2, 16-pin 7283-9282-30
Radio X3 (U42), 16-pin 7283-9283-40
Radio X4 (U3R or UVB or UZR), 16-pin 7283-9284-80

Radio X1, 14-pin

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
2 Left Front Speaker Output (+) (UQF) TN
2 Left Front Low Level Audio Signal (+) (UQA or UQS) TN
3 Right Front Speaker Output (+) (UQF) L-GN
3 Right Front Low Level Audio Signal (+) (UQA or UQS) L-GN/WH
4 Voice Recognition Audio Signal (UE1 with UZR or U3R) PK
5 Low Reference (UE1 with UZR or U3R) PK/BK
6 Entertainment Remote Enable Signal WH
7 LED Dimming Signal PU/WH
8 Ground BK/WH
9 Left Front Speaker Output (-) (UQF) GY
9 Left Front Low Level Audio Signal (-) (UQA or UQS) D-GN
10 Right Front Speaker Output (-) (UQF) D-GN
10 Right Front Low Level Audio Signal (-) (UQA or UQS) L-GN
11 Drain Wire (UQA or UQS) BARE
13 Low Speed GMLAN Serial Data D-GN

Radio X2, 16-pin 7283-9282-30

Pin Function Wire colour
1 Left Audio Signal (+) (U2K or UBS) BN/WH
2 Right Audio Signal (+) (U2K or UBS) D-GN/WH
3 Drain Wire (UQA or UQS) BARE
5 Left Rear Low Level Audio Signal (+) (without UQF without UK6) BN/WH
5 Left Rear Speaker Output (+) (UQF without UK6) BN
6 Right Rear Speaker Output (+) (UQF without UK6) D-BU
6 Right Rear Low Level Audio Signal (+) (without UQF without UK6) D-BU
7 Remote Playback Device Left Audio Signal (UE1) OG/BK
8 Radio Audio Mute Signal (without UQF) OG
9 Left Audio Signal (-) (U2K or UBS) TN/WH
10 Right Audio Signal (-) (U2K or UBS) GY
11 Drain Wire (U2K or UBS) BARE
13 Left Rear Low Level Audio Signal (-) (UK6 without UQF) BN
13 Left Rear Speaker Output (-) (UQF without UK6) YE
14 Right Rear Low Level Audio Signal (-) (UK6 without UQF) TN
14 Right Rear Speaker Output (-) (UQF without UK6) L-BU
15 Remote Playback Device Audio Common Signal (UE1) L-BU

Radio X3 (U42), 16-pin 7283-9283-40

Pin Function Wire colour
1 Auxiliary Audio Left Signal YE
2 Auxiliary Audio Right Signal WH
3 Left DVD Audio Signal (+) L-BU
4 Right DVD Audio Signal (+) WH
5 Remote Infrared Signal (+) OG/BK
6 Video Bright Control PK/BK
7 DVD Video Signal (+) D-GN
8 Auxiliary Video High Signal PU
9 Drain Wire BARE
10 Video Module Signal L-GN/BK
11 DVD Audio Common PU
12 DVD Audio Shield BARE
13 Remote Infrared Signal (-) TN/WH
14 DVD Video Drain Wire BARE
15 DVD Video Signal (-) WH/BK
16 Drain Wire BARE

Radio X4 (U3R or UVB or UZR), 16-pin 7283-9284-80

Pin Function Wire colour
3 Center Speaker High D-BU
4 Subwoofer Speaker High WH
5 Vehicle Speed Signal D-GN/WH
6 Camera Signal 2 (+) (UVC) 0PK
7 Camera Signal 2 (UVC) L-BU
11 Center Speaker Low OG
12 Subwoofer Speaker Low PK
13 Ground BARE
Chevrolet (2009-2012) Traverse, Buick Enclave, Suzuki XL-7 Navi Head Unit

p/n 20792739, 20789653

Connector overview

7283-9281-30 14-way connector X1
7283-9282-30 16-way connector X2
7283-9283-40 16-way X3 connector (U42 or UUC only)
7283-9284-80 18-way connector X4

7283-9281-30 14-way connector X1

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
2 UQF · Left Front Speaker Output (+) TN
2 UQA or UQS · Left Front Low Level Audio Signal (+) TN
3 UQF · Right Front Speaker Output (+) L-GN
3 UQA or UQS · Right Front Low Level Audio Signal (+) L-GN/WH
4 UE1 with UZR or U3R · Voice Recognition Audio Signal PK
4 U3U · Cellular Microphone Signal GY
5 UE1 with UZR or U3R · Low Reference PK/BK
5 U3U · Drain Wire BARE
6 Entertainment Remote Enable Signal WH
6 Antenna Enable Signal
7 LED Dimming Signal PU/WH
8 Ground BK/WH
9 UQF · Left Front Speaker Output (-) GY
9 UQA or UQS · Left Front Low Level Audio Signal (-) D-GN
10 UQF · Right Front Speaker Output (-) D-GN
10 UQA or UQS · Right Front Low Level Audio Signal (-) L-GN
11 UQA or UQS · Drain Wire BARE
13 Low Speed GMLAN Serial Data D-GN

7283-9282-30 16-way connector X2

Pin Function Wire colour
1 U2K or UBS · Left Audio Signal (+) BN/WH
2 U2K or UBS · Right Audio Signal (+) D-GN/WH
3 UQA or UQS · Drain Wire BARE
5 without UQF without UK6 · Left Rear Low Level Audio Signal (+) BN/WH
5 UQF without UK6 · Left Rear Speaker Output (+) BN
6 UQF without UK6 · Right Rear Speaker Output (+) D-BU
6 without UQF without UK6 · Right Rear Low Level Audio Signal (+) D-BU
7 UE1 · Remote Playback Device Left Audio Signal OG/BK
8 without UQF or U65 · Radio Audio Mute Signal OG
9 U2K or UBS · Left Audio Signal (-) TN/WH
10 U2K or UBS · Right Audio Signal (-) GY
11 U2K or UBS · Drain Wire BARE
13 UK6 without UQF · Left Rear Low Level Audio Signal (-) BN
13 UQF without UK6 · Left Rear Speaker Output (-) YE
14 UK6 without UQF · Right Rear Low Level Audio Signal (-) TN
14 UQF without UK6 · Right Rear Speaker Output (-) L-BU
15 UE1 · Remote Playback Device Audio Common Signal L-BU

7283-9283-40 16-way X3 connector (U42 or UUC only)

Pin Function Wire colour
1 Auxiliary Audio Left Signal YE
2 Auxiliary Audio Right Signal WH
3 Left DVD Audio Signal (+) L-BU
4 Right DVD Audio Signal (+) WH
5 Remote Infrared Signal (+) OG/BK
6 Video Bright Control PK/BK
7 DVD Video Signal (+) D-GN
8 Auxiliary Video High Signal PU
9 Drain Wire BARE
10 Video Module Signal / Video Power Mode Signal L-GN/BK
11 DVD Audio Common PU
12 DVD Audio Shield BARE
13 Remote Infrared Signal (-) TN/WH
14 DVD Video Drain Wire BARE
15 DVD Video Signal (-) WH/BK
16 Video Drain Wire BARE

7283-9284-80 18-way connector X4

Pin Function Wire colour
3 U3R or UVB or UZR · Center Speaker High D-BU
4 U3R or UVB or UZR · Subwoofer Speaker High WH
5 U3R or UVB or UZR or U3U · Vehicle Speed Signal D-GN/WH
6 UVC · Camera Signal 2 (+) PK
7 UVC · Camera Signal 2 L-BU
11 U3R or UVB or UZR · Center Speaker Low OG
12 U3R or UVB or UZR · Subwoofer Speaker Low PK
13 U3R or UVB or UZR · Ground BARE
Buick (2006-2009) Allure, Lacrosse amplifier

p/n 15835873

Connector overview

15491286 (8 pin) connector
15489823 (16 pin) connector
15466054 (16-pin) connector

15491286 (8 pin) connector

Pin Function Wire colour
1 Battery Positive Voltage OG
2 Ground BK/WH
3 Front Center Speaker Output (+) YE
4 Front Center Speaker Output (-) L-BU
7 Rear Subwoofer Speaker Output (-) L-GN/BK
8 Rear Subwoofer Speaker Output (+) D-BU/WH

15489823 (16 pin) connector

Pin Function Wire colour
1 Left Front Tweeter Speaker Output (+) BK
2 Left Front Tweeter Speaker Output (-) YE
3 Right Front Tweeter Speaker Output (+) L-GN
4 Right Front Tweeter Speaker Output (-) PU
5 Left Rear Speaker Output (-) YE
6 Left Rear Speaker Output (+) BN
7 Right Rear Speaker Output (-) L-BU
8 Right Rear Speaker Output (+) D-BU
13 Right Front Speaker Output (+) L-GN
14 Right Front Speaker Output (-) D-GN
15 Left Front Speaker Output (+) TN
16 Left Front Speaker Output (-) GY

15466054 (16-pin) connector

Pin Function Wire colour
1 Left Front Low Level Audio Signal (+) TN
2 Left Front Low Level Audio Signal (-) D-GN
3 Left Rear Low Level Audio Signal (-) BN
4 Left Rear Low Level Audio Signal (+) BN/WH
5 Amplifier Control TN
6 Radio On Signal PU
9 Right Front Low Level Audio Signal (-) L-GN
10 Right Front Low Level Audio Signal (+) L-GN/WH
11 Right Rear Low Level Audio Signal (+) D-BU
12 Right Rear Low Level Audio Signal (-) BK
Buick (2006-2009) Lacrosse, Allure Monsoon Amplifier

p/n 15835873

Connector overview

8-pin connector
16-pin 15489823 connector
16 pin 15466054 connector

8-pin connector

Pin Function Wire colour
1 Battery Positive Voltage OG
2 Ground BK/WH
3 Front Center Speaker Output (+) YE
4 Front Center Speaker Output (-) L-BU
7 Rear Subwoofer Speaker Output (-) L-GN/BK
8 Rear Subwoofer Speaker Output (+) D-BU/WH

16-pin 15489823 connector

Pin Function Wire colour
1 Left Front Tweeter Speaker Output (+) BK
2 Left Front Tweeter Speaker Output (-) YE
3 Right Front Tweeter Speaker Output (+) L-GN
4 Right Front Tweeter Speaker Output (-) PU
5 Left Rear Speaker Output (-) YE
6 Left Rear Speaker Output (+) BN
7 Right Rear Speaker Output (-) L-BU
8 Right Rear Speaker Output (+) D-BU
13 Right Front Speaker Output (+) L-GN
14 Right Front Speaker Output (-) D-GN
15 Left Front Speaker Output (+) TN
16 Left Front Speaker Output (-) GY

16 pin 15466054 connector

Pin Function Wire colour
1 511 · Left Front Low Level Audio Signal (+) TN
2 1947 · Left Front Low Level Audio Signal (-) D-GN
3 1999 · Left Rear Low Level Audio Signal (-) BN
4 599 · Left Rear Low Level Audio Signal (+) BN/WH
5 927 · Amplifier Control TN
6 2232 · Radio On Signal PU
9 1948 · Right Front Low Level Audio Signal (-) L-GN
10 512 · Right Front Low Level Audio Signal (+) L-GN/WH
11 546 · Right Rear Low Level Audio Signal (+) D-BU
12 1946 · Right Rear Low Level Audio Signal (-) BK
Buick (2006-2011) Lucerne (opt UQA) amplifier

p/n 20980269

Connector overview

Amplifier X1 connector (OEM: 6098-4713, Service: 88988652)
Amplifier X2 connector (OEM: 6098-4611, Service: 15134091)
Amplifier X3 connector (7283-9076-30, Service: 15136073)

Amplifier X1 connector (OEM: 6098-4713, Service: 88988652)

Pin Function Wire colour
2 Left Rear Speaker Output (-) D-BU/WH
3 Right Rear Speaker Output (-) L-BU/BK
4 Ground BK
6 Left Rear Speaker Output (+) D-BU
7 Right Rear Speaker Output (+) L-BU
8 Battery Positive Voltage TN/D-BU

Amplifier X2 connector (OEM: 6098-4611, Service: 15134091)

Pin Function Wire colour
2 Left Front Speaker Output (-) GY
3 Right Front Speaker Output (-) PK/BK
4 Left Rear Midrange Speaker Output (-) WH
5 Right Rear Midrange Speaker Output (-) OG
6 Front Center Speaker Output (-) L-BU
10 Left Front Speaker Output (+) TN
11 Right Front Speaker Output (+) L-GN
12 Left Rear Midrange Speaker Output (+) TN/OG
13 Right Rear Midrange Speaker Output (+) TN/BK
14 Front Center Speaker Output (+) YE

Amplifier X3 connector (7283-9076-30, Service: 15136073)

Pin Function Wire colour
1 Left Front Low Level Audio Signal (-) D-GN/RD
2 Right Front Low Level Audio Signal (-) L-GN
3 Left Rear Low Level Audio Signal (-) BN
4 Right Rear Low Level Audio Signal (-) TN/RD
6 Amplifier Control PU
9 Left Front Low Level Audio Signal (+) TN
10 Right Front Low Level Audio Signal (+) L-GN/WH
11 Left Rear Low Level Audio Signal (+) BN/WH
12 Right Rear Low Level Audio Signal (+) D-BU
13 Entertainment Remote Enable Signal PK
Buick (2007-2012) Enclave, GMC Acadia, Chevrolet Traverse, Saturn Outlook Bose Amplifier

p/n 25907216, 25796753

Connector overview

Connector 1
Connector 2
Connector 3

Connector 1

Pin Function Wire colour
1 Left Front Speaker Output (-) GY
3 Subwoofer Speaker Output (-) L-GN/BK
4 Battery Positive Voltage RD/WH
5 Left Front Speaker Output (+) TN
7 Subwoofer Speaker Output (+) D-BU/WH
8 Ground BK/WH

Connector 2

Pin Function Wire colour
1 Right Rear Speaker Output (-) L-BU
2 Right Rear Speaker Output (+) D-BU
3 Front Center Speaker Output (-) L-BU
4 Front Center Speaker Output (+) YE
5 Left Rear Midrange Speaker Output (-) WH
6 Left Rear Midrange Speaker Output (+) TN
7 Right Front Speaker Output (-) D-GN
8 Right Front Speaker Output (+) L-GN
15 Left Rear Speaker Output (+) BN
16 Left Rear Speaker Output (-) YE

Connector 3

Pin Function Wire colour
1 Subwoofer Low Level Audio Signal (UQS) WH
2 Center Channel Low Level Audio Signal (-) (UQS) OG
3 Center Channel Low Level Audio Signal (UQS) D-BU
4 Right Rear Low Level Audio Signal (-) (without UK6) TN
4 Right Rear Low Level Audio Signal (-) (UK6) TN/WH
5 Left Rear Low Level Audio Signal (-) (UK6) BN
5 Left Rear Low Level Audio Signal (-) (without UK6) BN
6 Right Front Low Level Audio Signal (-) L-GN
7 Left Front Low Level Audio Signal (-) D-GN
8 Entertainment Remote Enable Signal WH
9 Subwoofer Low Level Audio (-) (UQS) PK
11 Radio Audio Mute Signal OG
12 Right Rear Low Level Audio Signal (+) (without UK6) D-BU
12 Right Rear Low Level Audio Signal (+) (UK6) L-GN
13 Left Rear Low Level Audio Signal (+) (without UK6) BN/WH
13 Left Rear Low Level Audio Signal (+) (UK6) L-BU
14 Right Front Low Level Audio Signal (+) L-GN/WH
15 Left Front Low Level Audio Signal (+) TN
Buick (2004-2006) Century, Regal, Rendezvous Head Unit

p/n 10352075

Connector overview

24 pin connector
12 pin connector

24 pin connector

Pin Function Wire colour
A1 Radio Class 2 Serial Data ORN
A6 Steering Wheel Control Supply Voltage (UK3) PPL
A7 Steering Wheel Controls Signal (UK3) DK BLU
A8 Left Front Low Level Audio Signal (+) (UQ3/UX7 w/UK3) TAN
A8 Left Front Speaker Output (+) (UQ3/UX7 w/o UK3) TAN
A9 Left Front Low Level Audio Signal (-) (UQ3/UX7 w/UK3) DK GRN
A9 Left Front Speaker Output (-) (UQ3/UX7 w/o UK3) GRY
A10 Right Rear Low Level Audio Signal (-) (UQ3/UX7 w/UK3) BLK
A10 Right Rear Speaker Output (-) (UQ3/UX7 w/o UK3) LT BLU
A11 Right Rear Low Level Audio Signal (+) (UQ3/UX7 w/UK3) DK BLU
A11 Right Rear Speaker Output (+) (UQ3/UX7 w/o UK3) DK BLU
A12 Ground BLK/WHT
B1 Battery Positive Voltage ORN
B3 Antenna Relay Coil Supply Voltage DK GRN
B4 Instrument Panel Lamp Dimmer Switch Signal GRY
B5 Ground BLK
B6 Amplifier Present Signal (UQ3/UX7 w/UK3) PPL
B8 Left Rear Low Level Audio Signal (+) (UQ3/UX7 w/UK3) BRN
B8 Left Rear Speaker Output (+) (UQ3/UX7 w/o UK3) BRN
B9 Left Rear Low Level Audio Signal (-) (UQ3/UX7 w/UK3) BRN/WHT
B9 Left Rear Speaker Output (-) (UQ3/UX7 w/o UK3) YEL
B10 Right Front Low Level Audio Signal (-) (UQ3/UX7 w/UK3) LT GRN/WHT
B10 Right Front Speaker Output (-) (UQ3/UX7 w/o UK3) DK GRN
B11 Right Front Low Level Audio Signal (+) (UQ3/UX7 w/UK3) LT GRN
B11 Right Front Speaker Output (+) (UQ3/UX7 w/o UK3) LT GRN
B12 Instrument Panel Lamp Fuse Supply Voltage 1 YEL

12 pin connector

Pin Function Wire colour
L Remote Radio Audio Output (-) BLK/WHT
M Remote Radio Left Audio Signal BRN/WHT
Buick (2005-2008) Allure, Lacrosse Head Unit

p/n 10391273, 15274819

Connector overview

24 pin connector
12 pin connector

24 pin connector

Pin Function Wire colour
A1 Radio Class 2 Serial Data OG
A6 Remote Radio Control Supply Voltage (UK3) PU
A7 Steering Wheel Controls Signal (UK3) D-BU
A8 Left Front Speaker Output (+) (UW6) TN
A8 Left Front Low Level Audio Signal (+) (U88) TN
A9 Left Front Speaker Output (-) (UW6) GY
A9 Left Front Low Level Audio Signal (-) (U88) D-GN
A10 Right Rear Speaker Output (-) (UW6) L-BU
A10 Right Rear Low Level Audio Signal (-) (U88) BK
A11 Right Rear Speaker Output (+) (UW6) D-BU
A11 Right Rear Low Level Audio Signal (+) (U88) D-BU
A12 Ground BK/WH
B1 Battery Positive Voltage OG
B3 Radio On Signal PU
B4 Instrument Panel Lamp Supply Voltage GY
B5 Ground BK
B8 Left Rear Speaker Output (+) (UW6) BN
B8 Left Rear Low Level Audio Signal (+) (U88) BN/WH
B9 Left Rear Speaker Output (-) (UW6) YE
B9 Left Rear Low Level Audio Signal (-) (U88) BN
B10 Right Front Speaker Output (-) (UW6) D-GN
B10 Right Front Low Level Audio Signal (-) (U88) L-GN
B11 Right Front Speaker Output (+) (UW6) L-GN
B11 Right Front Low Level Audio Signal (+) (U88) L-GN/WH

12 pin connector

Pin Function Wire colour
F Amplifier Control (U88) TN
H Right Audio Signal (+) (U2K) D-GN/WH
J Left Audio Signal (+) (U2K) BN/WH
K Audio Common (U2K) BK/WH
L Audio Common Signal (UE1) L-BU
M Left Audio Signal (+) (UE1) OG/BK
Buick (2008-2009) Allure, LaCrosse Head Unit

p/n 15881349

Connector overview

Connector 1
12064799 (8-way) connector

Connector 1

Pin Function Wire colour
A1 Radio Class 2 Serial Data OG
A6 Remote Radio Control Supply Voltage (UK3) PU
A7 Steering Wheel Controls Signal (UK3) D-BU
A8 Left Front Speaker Output (+) (UW6) TN
A8 Left Front Low Level Audio Signal (+) (U88) TN
A9 Left Front Speaker Output (-) (UW6) GY
A9 Left Front Low Level Audio Signal (-) (U88) D-GN
A10 Right Rear Speaker Output (-) (UW6) L-BU
A10 Right Rear Low Level Audio Signal (-) (U88) BK
A11 Right Rear Speaker Output (+) (UW6) D-BU
A11 Right Rear Low Level Audio Signal (+) (U88) D-BU
A12 Ground BK/WH
B1 Battery Positive Voltage OG
B3 Radio On Signal PU
B4 I/P Lamp Supply Voltage GY
B5 Ground BK
B8 Left Rear Speaker Output (+) (UW6) BN
B8 Left Rear Low Level Audio Signal (+) (U88) BN/WH
B9 Left Rear Speaker Output (-) (UW6) YE
B9 Left Rear Low Level Audio Signal (-) (U88) BN
B10 Right Front Speaker Output (-) (UW6) D-GN
B10 Right Front Low Level Audio Signal (-) (U88) L-GN
B11 Right Front Speaker Output (+) (UW6) L-GN
B11 Right Front Low Level Audio Signal (+) (U88) L-GN/WH

12064799 (8-way) connector

Pin Function Wire colour
F Amplifier Control (U88) TN
H Right Audio Signal (+) (U2K) D-GN/WH
J Left Audio Signal (+) (U2K) BN/WH
K Audio Common (U2K) BK/WH
L Audio Common Signal (UE1) L-BU
M Left Audio Signal (+) (UE1) OG/BK
Buick (2006-2010) Lucerne Head Unit

p/n 15849253

Connector overview

7283-4490-30 14-way connector X1 at wiring harness
15491285 16-way connector X2 at wiring harness
7283-9078-80 16-way connector X2 at wiring harness   (only with U3U)

7283-4490-30 14-way connector X1 at wiring harness

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
2 Left Front Low Level Audio Signal (+) TN
3 Right Front Low Level Audio Signal (+) L-GN/WH
4 Navigation Voice Signal (without UE1) GY/WH
4 Voice Recognition Audio Signal (UE1) GY/BK
5 Drain Wire (without UE1) BK
5 Voice Recognition Audio Low Reference (UE1) PK/BK
6 Entertainment Remote Enable Signal PK
7 Backlight Lamp Control YE
8 Ground BK
9 Left Front Low Level Audio Signal (-) D-GN/RD
10 Right Front Low Level Audio Signal (-) L-GN
11 Front Audio Drain Wire BK/WH
13 Low Speed GMLAN Serial Data D-GN
14 Low Speed GMLAN Serial Data D-GN

15491285 16-way connector X2 at wiring harness

Pin Function Wire colour
1 Left Audio Signal (+) (U2K) BN/WH
2 Right Audio Signal (+) (U2K) GY
3 Rear Audio Drain Wire BK/YE
5 Left Rear Low Level Audio Signal (+) BN/WH
6 Right Rear Low Level Audio Signal (+) D-BU
7 Remote Playback Device Left Audio Signal (UE1) OG/BK
8 Amplifier Control PU
9 Left Audio Signal (-) (U2K) TN/WH
10 Right Audio Signal (-) (U2K) D-GN/WH
11 Drain Wire BK/TN
13 Left Rear Low Level Audio Signal (-) BN
14 Right Rear Low Level Audio Signal (-) TN/RD
15 Remote Playback Device Audio Common Signal (UE1) L-BU

7283-9078-80 16-way connector X2 at wiring harness   (only with U3U)

Pin Function Wire colour
5 Vehicle Speed Signal D-GN/WH

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