Pinouts >  GM Chevrolet, Buick, Pontiac, Saturn, Cadillac OEM car audio  >  GMC pinouts
14 pin GM 15488568, 7283-4490-30 (88988743) connector layout
14 pin GM 15488568, 7283-4490-30 (88988743) connector
p/n 20807044, 25857364, 25894202, 20790838

Radio X1 (OEM 15488568, Service 88988743 connector)

Pin

Wire

Function

1

RD/WH

Battery Positive Voltage

2

TN

Left Front Speaker Output (+) (UQ3)

TN

Left Front Low Level Audio Signal (+) (UQA or UQS)

3

L-GN

Right Front Speaker Output (+) (UQ3)

L-GN/WH

Right Front Low Level Audio Signal (+) (UQA or UQS)

4

PK

Voice Recognition Audio Signal (UE1 with U3R, U3U or UVB)

GY

Voice Recognition Audio Signal (UVC without UE1)

5

0.35 PK/BK

Low Reference (UE1)

PK/BK

Low Reference (UVC without UE1)

6

WH

Entertainment Remote Enable Signal

7

YE

LED Backlight Dimming Control

8

BK

Ground

9

GY

Left Front Speaker Output (-) (HP2 with UQ3)

GY

Left Front Speaker Output (-) (with UQ3, except HP2)

D-GN

Left Front Low Level Audio Signal (-) (UQA or UQS)

10

D-GN

Right Front Speaker Output (-) (HP2 with UQ3)

D-GN

Right Front Speaker Output (-) (with UQ3, except HP2)

OG/BK

Front Low Level Audio Signal (-) (UQA or UQS)

11

BARE

Drain Wire (UQA or UQS)

13

D-GN

Low Speed GMLAN Serial Data

 

Radio X2 (OEM 15491285, Service 15136073 connector)

Pin

Wire

Function

1

BN/WH

Remote Radio Left Audio Signal (U2K)

2

D-GN/WH

Remote Radio Right Audio Signal (U2K)

3

BARE

Drain Wire (with UQA, UQS or UK6)

4

L-GN

DVD Video Signal 2 (+) (DNU)

5

BN

Left Rear Speaker Output (+) (HP2 with UQ3)

BN

Left Rear Speaker Output (+) (with UQ3, except HP2)

BN/WH

Left Rear Low Level Audio Signal (+) (UQA or UQS)

6

D-BU

Right Rear Speaker Output (+) (HP2 with UQ3)

D-BU

Right Rear Speaker Output (+) (with UQ3, except HP2)

D-BU

Right Rear Low Level Audio Signal (+) (UQA or UQS)

7

D-BU

Cellular Telephone Voice Signal (UE1)

8

OG

Amplifier Control (with UQA, except Y91)

9

TN/WH

Remote Radio Audio Output (-) (U2K)

10

GY

Remote Radio Right Audio Signal (U2K)

11

BARE

Drain Wire (HP2 with U2K)

BARE

Drain Wire (with U2K, except HP2)

12

WH

DVD Video Signal 2 (-) (DNU)

13

YE

Left Rear Speaker Output (-) (HP2 with UQ3)

YE

Left Rear Speaker Output (-) (with UQ3, except HP2)

BN

Left Rear Low Level Audio Signal (-) (UQA or UQS)

14

L-BU

Right Rear Speaker Output (-) (HP2 with UQ3)

L-BU

Right Rear Speaker Output (-) (with UQ3, except HP2)

TN

Right Rear Low Level Audio Signal (-) (UQA or UQS)

15

L-BU/BK

Low Reference (UE1)

16

D-GN/WH

Video Mode 2 Signal (DNU)

 

Radio X3 (HP2 with U42) (13568239 connector)

Pin

Wire

Function

1

YE

Auxiliary Audio Left Signal

2

WH

Auxiliary Audio Right Signal

3

L-BU

Left DVD Audio Signal (+)

4

WH

Right DVD Audio Signal (+)

5

OG/BK

Remote Infra Red Signal (+)

6

PK/BK

Video Bright Control

7

D-GN

DVD Video Signal (+)

8

PU

Auxiliary Video High Signal

9

BARE

Drain Wire

10

L-GN/BK

Video Module Signal

11

PU

DVD Audio Common

12

BARE

DVD Audio Shield

13

TN/WH

Remote Infra Red Signal (-)

14

BARE

DVD Video Drain Wire

15

WH/BK

DVD Video Signal (-)

16

BARE

Video Drain Wire

 

Radio X4 (HP2 with UQS or with UVC) (13568240 connector)

Pin

Wire

Function

3

D-BU

Center Channel Low Level Audio Signal (UQS)

4

WH

Subwoofer Low Level Audio Signal (UQS)

5

D-GN/WH

Vehicle Speed Signal (UVC)

6

PK

Camera Signal (+) (UVC)

7

L-BU

Camera Signal (-) (UVC)

8

PU

Amplifier Audio Prompt Signal (+) (UQS)

11

OG

Center Channel Low Level Audio Signal (-) (UQS)

12

PK

Subwoofer Low Level Audio (-) (UQS)

13

BARE

Drain Wire (UQS)

15

BARE

Drain Wire (UQS)

16

GY

Amplifier Audio Prompt Signal (-) (UQS)

16 pin GM 15491285, 7283-9076-30 (15136073) amplifier wiring harness connector layout
16 pin GM 15491285, 7283-9076-30 (15136073) amplifier wiring harness connector
According to 1 reports in our database (1 positive and 0 negative) the GMC (2007-2014), Chevrolet, Hummer H2 Head Unit pinout should be correct.

Is this pinout

Additional connector №3

16 pin GM 13568240, 7283-9284-80 (89047196) amplifier wiring harness connector layout
16 pin GM 13568240, 7283-9284-80 (89047196) amplifier wiring harness connector

Additional connector №4

16 pin GM 15466054, 13568239, 7283-9078-80 (15136074) connector layout
16 pin GM 15466054, 13568239, 7283-9078-80 (15136074) connector
GMC (2007-2014), Chevrolet, Hummer H2 Head Unit visual pinout:click to enlarge
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