Pontiac OEM Head Unit Pinouts

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

Chevrolet (2005-2010) Uplander, Pontiac Montana SV6 Head Unit

p/n 15878234

Connector overview

Radio X1
Radio X2

Radio X1

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

Radio X2

Pin Function Wire colour
H Remote Playback Device Right Audio Signal (U2K) D-GN/WH
H Remote Playback Device Right Audio Signal (U42) D-GN/WH
J Remote Playback Device Left Audio Signal (U2K) BN/WH
J Remote Playback Device Left Audio Signal (U42) BN/WH
K Remote Playback Device Audio Common Signal (U2K) TN/WH
K Remote Playback Device Audio Common Signal (U42) TN/WH
L Remote Playback Device Audio Common Signal (UE1) L-BU
M Remote Playback Device Left Audio Signal (UE1) OG/BK
Chevrolet (2007-2010) Cobalt, Chevy HHR, Pontiac G5 Head Unit

p/n 25834576, 20795334, 20835358, 20919528

Connector overview

Radio X1 (13601512, Service: 88988743)
Radio X2 (15491285, Service: 15305996)

Radio X1 (13601512, Service: 88988743)

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
4 Right Front Speaker Output (-) (UQ4) D-GN
4 Right Front Low Level Audio Signal (-) (UQ3) L-GN
5 Right Front Speaker Output (+) (UQ4) L-GN
5 Right Front Low Level Audio Signal (+) (UQ3) L-GN/WH
6 Left Front Speaker Output (-) (UQ4) GY
6 Left Front Low Level Audio (-) (UQ3) D-GN
7 Left Front Speaker Output (+) (UQ4) TN
7 Left Front Low Level Audio Signal (UQ3) TN
8 Ground BK/WH
9 Low Speed GMLAN Serial Data D-GN
11 Steering Wheel Controls Signal (UK3) D-BU

Radio X2 (15491285, Service: 15305996)

Pin Function Wire colour
1 Left Audio Signal (+) (U2K) BN/WH
2 Right Audio Signal (+) (U2K) D-GN/WH
3 Radio On Signal (UQ3) PK
4 Right Rear Speaker Output (+) (UQ4) D-BU
4 Right Rear Low Level Audio Signal (+) (UQ3) D-BU
5 Right Rear Speaker Output (-) (UQ4) L-BU
5 Right Rear Low Level Audio Signal (-) (UQ3) TN
6 Left Rear Speaker Output (+) (UQ4) BN
6 Left Rear Low Level Audio Signal (+) (UQ3) BN/WH
7 Left Rear Speaker Output (-) (UQ4) YE
7 Left Rear Low Level Audio Signal (-) (UQ3) BN
8 Cellular Telephone Voice Signal (UE1) PK/BK
9 Audio Common (U2K) TN/WH
14 10-Volt Reference (UK3) WH/BK
15 Remote Radio Control Signal (UQ3) L-GN
16 Cellular Telephone Voice Low Reference (UE1) OG/BK
Chevrolet (2007-2010) Cobalt, Pontiac G5 amplifier

p/n 25924116

Connector overview

Audio Amplifier X1
Audio Amplifier X2
Audio Amplifier X3 (UQ3)

Audio Amplifier X1

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

Audio Amplifier X2

Pin Function Wire colour
1 Left Rear Speaker Output (-) YE/BK
2 Left Rear Speaker Output (+) BN
3 Right Rear Speaker Output (+) D-BU
4 Right Rear Speaker Output (-) L-BU/BK
9 Right Front Speaker Output (-) D-GN
10 Right Front Speaker Output (+) L-GN
11 Left Front Speaker Output (+) TN
12 Left Front Speaker Output (-) GY

Audio Amplifier X3 (UQ3)

Pin Function Wire colour
1 Left Rear Low Level Audio Signal (-) BN
2 Right Rear Low Level Audio Signal (-) TN
3 Left Rear Low Level Audio Signal (+) BN/WH
4 Right Rear Low Level Audio Signal (+) D-BU
8 Radio On Signal PK
9 Right Front Low Level Audio Signal (+) L-GN/WH
10 Left Front Low Level Audio Signal (-) D-GN
11 Right Front Low Level Audio Signal (-) L-GN
12 Left Front Low Level Audio Signal (+) TN
16 Remote Radio Control Signal L-GN
Pontiac (2006-2010) G6 Coupe amplifier

p/n 15833071

Connector overview

X1 15491286 Service: 88988652 connector
X2 15489823 Service: 15134091 connector
X3 15466054 Service: 89047196 connector

X1 15491286 Service: 88988652 connector

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
2 Ground BK
3 Right Rear Subwoofer Speaker Output (+) (Coupe/Sedan) D-BU/WH
3 Right Front Subwoofer Speaker Output (+) (Convertible) D-GN
4 Right Rear Subwoofer Speaker Output (-) (Coupe/Sedan) L-GN/BK
4 Right Front Subwoofer Speaker Output (-) (Convertible) L-BU/BK
7 Left Rear Subwoofer Speaker Output (+) L-GN/BK
8 Left Rear Subwoofer Speaker Output (-) D-BU/WH

X2 15489823 Service: 15134091 connector

Pin Function Wire colour
1 Left Front Tweeter Speaker Output (+) TN
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

X3 15466054 Service: 89047196 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 Mute OG
6 Antenna 12V Switched Control PK
9 Right Front Low Level Audio Signal (-) 0L-GN/BK
10 Right Front Low Level Audio Signal (+) D-GN
11 Right Rear Low Level Audio Signal (+) D-BU
12 Right Rear Low Level Audio Signal (-) TN
Pontiac (2006-2010) G6 Sedan Monsoon amplifier

p/n 15833070

Connector overview

Connector 1
Connector 2
Connector 3

Connector 1

Pin Function Wire colour
1 Battery Positive Voltage RD/WH
2 Ground BK
3 Right Rear Subwoofer Speaker Output (+) (Coupe/Sedan) D-BU/WH
3 Right Front Subwoofer Speaker Output (+) (Convertible) D-GN
4 Right Rear Subwoofer Speaker Output (-) (Coupe/Sedan) L-GN/BK
4 Right Front Subwoofer Speaker Output (-) (Convertible) L-BU/BK
7 Left Rear Subwoofer Speaker Output (+) L-GN/BK
8 Left Rear Subwoofer Speaker Output (-) D-BU/WH

Connector 2

Pin Function Wire colour
1 Left Front Tweeter Speaker Output (+) TN
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

Connector 3

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 Mute OG
6 Antenna 12V Switched Control PK
9 Right Front Low Level Audio Signal (-) L-GN/BK
10 Right Front Low Level Audio Signal (+) D-GN
11 Right Rear Low Level Audio Signal (+) D-BU
12 Right Rear Low Level Audio Signal (-) TN
Pontiac (2006-2010) Solstice, Saturn Sky Monsoon amplifier

p/n 15840305, 15796609

Connector overview

Connector 1
Connector 2
Connector 3

Connector 1

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

Connector 2

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

Connector 3

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
6 Radio On Signal PK
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 (-) TN
16 Remote Radio Control Signal L-GN
Pontiac (2008-2010) Vibe, Toyota Matrix Radio

p/n 28143548, 28217487; Toyota 86120-01250, 86120-01251

Connector overview

14-way connector
16-way connector

14-way connector

Pin Function Wire colour
1 Instrument Panel Lamps Dimming Low Control WH
2 Antenna Signal BG (UW4)
2 Antenna Signal BG (U65)
3 Steering Wheel Controls - Radio - Source Signal PK
4 Steering Wheel Controls - Radio - Signal BG
5 Right Front Speaker(+) L-GN (UW4)
5 Right Front Tweeter (+) RD (U65)
6 Left Front Speaker (+) PK (UW4)
6 Left Front Tweeter (+) BK (U65)
7 Battery Positive Voltage L-BU
8 TMX + BG
9 UTX + YE
9 Not Used --
10 Steering Wheel Controls - Radio - Power L-BU
11 Drain Wire Bare
12 Right Front Speaker (-) D-BU (UW4)
12 Right Front Tweeter (-) WH (U65)
13 Left Front Speaker (-) VT (UW4)
13 Left Front Tweeter (-) D-GN (U65)
14 Ground BN

16-way connector

Pin Function Wire colour
1 Mute L-GN (U65)
2 OnStar BK
2 Not Used --
3 Right Rear Speaker (+) RD (UW4)
3 Right Rear Speaker (+) RD (U65)
4 Left Rear Speaker (+) BK (UW4)
4 Left Rear Speaker (+) BK (U65)
5 Instrument Panel Dimming Voltage D-GN
6 Drain Wire Bare
7 Audio Signal Right (+) BK
8 Audio Signal Left (+) RD
9 Amplifier Signal YE
10 VCIM Signal WH
10 Not Used --
11 Right Rear Speaker (-) WH (UW4)
11 Right Rear Speaker (-) WH (U65)
12 Left Rear Speaker (-) YE (UW4)
12 Left Rear Speaker (-) D-GN (U65)
13 Ignition Voltage GY
15 Audio Signal Right (-) WH
16 Audio Signal Left (-) D-GN
Pontiac (2006-2009) G6 radio

p/n 15848799, 15848800, 25890719, 15890524, 15243802, 15793376, 15849574, 20803479

Connector overview

Radio X1
Radio X2 (U2K/UE1)

Radio X1

Pin Function Wire colour
A1 Left Front Low Level Audio Signal (-) (U85) D-GN
A1 Left Front Speaker Output (-) (UZ6) GY
A2 Left Front Low Level Audio Signal (+) (U85) TN
A2 Left Front Speaker Output (+) (UZ6) TN
A3 Right Rear Low Level Audio Signal (-) (U85) TN
A3 Right Rear Speaker Output (-) (UZ6) L-BU
A4 Right Rear Low Level Audio Signal (+) (U85) D-BU
A4 Right Rear Speaker Output (+) (UZ6) D-BU
A5 Left Rear Low Level Audio Signal (+) (U85) BN/WH
A5 Left Rear Speaker Output (+) (UZ6) BN
A6 Left Rear Low Level Audio Signal (-) (U85) BN
A6 Left Rear Low Level Audio Signal (-) (UZ6) YE
A7 Right Front Low Level Audio Signal (+) (U85) D-GN
A7 Right Front Speaker Output (+) (UZ6) L-GN
A8 Right Front Low Level Audio Signal (-) (U85) L-GN
A8 Right Front Speaker Output (-) (UZ6) D-GN
A9 Steering Wheel Controls Signal (UK3) D-BU
A10 10V (UK3) WH/BK
A12 Ground BK/WH
B1 Battery Positive Voltage RD/WH
B3 Amplifier Mute (U85) OG
B6 Antenna 12-Volt Switched Control PK
B9 Low Speed GMLAN Serial Data D-GN
B10 Low Speed GMLAN Serial Data D-GN

Radio X2 (U2K/UE1)

Pin Function Wire colour
H Right Audio Signal (+) (U2K) D-GN/WH
J Left Audio Signal (+) (U2K) BN/WH
K Audio Common (-) (U2K) TN/WH
L Low Reference (UE1) OG/BK
M Cellular Telephone Voice Signal (UE1) PK/BK
Pontiac (2008-2010) G8 Head Unit

p/n 92228624, 92245981 ?

Quadlock master connector

Connector 1

Pin Function Wire colour
1 Right Rear Speaker Output (-) L-BU
2 Right Front Speaker Output (-) D-GN
3 Left Front Speaker Output (-) GY
4 Left Rear Speaker Output (-) YE/RD
5 Right Rear Speaker Output (+) D-BU
6 Right Front Speaker Output (+) L-GN
7 Left Front Speaker Output (+) BN
8 Left Rear Speaker Output (+) BN
9 Front Center Speaker Output (+) (UWP) L-BU
10 Battery Positive Voltage OG/BU
12 Ground BK
13 Front Center Speaker Output (+) (UWP) OG
14 Battery Positive Voltage OG/BU
15 Battery Positive Voltage OG/BU
16 Ground BK

wiring harness connector (connector end view)

Pin Function Wire colour
1 Telephone Audio Signal (-) L-BU
2 Remote Radio Right Audio Signal GY
3 Remote Radio Audio Output (-) BN/WH
4 Battery Positive Voltage BK
5 Telephone Audio Signal Mute WH
6 Low Speed GMLAN Serial Data L-GN
7 Telephone Audio Signal (+) D-BU
8 Right Radio Audio Output GY/BK
9 Left Radio Audio Output D-GN

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