GM Service Manual Online
For 1990-2009 cars only
Table 1: Navigation Data Processor
Table 2: Navigation Display Head

Navigation Data Processor


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

3240

Battery Positive Voltage

A2

--

--

Not Used

A3

PPL

1807

Class 2 Serial Data

A4

--

--

Not Used

A5

BRN

2355

Navigation Display Serial Data Low

A6

--

--

Not Used

A7

ORN/BLK

2061

Navigation Mono Audio Signal (-)

A8

PNK/BLK

2062

Navigation Mono Audio Signal (+)

A9

--

--

Not Used

A10

DK BLU

2048

Video Green Signal

A11

DK GRN

2049

Video Blue Signal

A12

LT BLU

2044

Video Reference Signal

B1

BLK

1051

Ground

B2 - B4

--

--

Not Used

B5

RED

2354

Navigation Display Serial Data High

B6

--

--

Not Used

B7

BARE

814

Drain Wire

B8

DK GRN/WHT

817

Vehicle Speed Signal

B9

--

--

Not Used

B10

RED

2047

Video Red Signal

B11

LT GRN

2045

Video Synchronization Signal

B12

BARE

814

Drain Wire

Navigation Display Head


Object Number: 73157  Size: CH

Connector Part Information

    • 12110207
    • 32-Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

C1

PPL/WHT

2055

Navigation Right Stereo Audio Signal (-)

C2

GRY/BLK

2053

Navigation Left Stereo Audio Signal (-)

C3

BARE

814

Drain Wire

C4

RED

2047

Video Red Signal

C5

DK GRN

2049

Video Blue Signal

C6

LT GRN

2045

Video Synchronization Signal

C7

PPL

2056

Auxiliary Video High Signal (w/UX9)

C8

BARE

814

Drain Wire (w/UX9)

C9

WHT

2058

Auxiliary Audio Right Signal (w/UX9)

C10

GRY

1698

Antenna Select Supply Voltage (w/UE7, UE9)

C11

BLK/WHT

1801

Antenna Select Baud 1 Signal (+) (w/UE7, UE9)

C12

RED

2354

Navigation Display Serial Data High

C13

PPL

1807

Class 2 Serial Data

C14

--

--

Not Used

C15-C16

ORN

3240

Battery Positive Voltage

D1

DK GRN/WHT

2054

Navigation Right Stereo Audio Signal (+)

D2

BRN/WHT

2052

Navigation Left Stereo Audio Signal (+)

D3

--

--

Not Used

D4

DK BLU

2048

Video Green Signal

D5

LT BLU

2044

Video Reference Signal

D6

BARE

814

Drain Wire

D7

TAN

2057

Auxiliary Video Low Signal (w/UX9)

D8

PNK

2060

Auxiliary Detection Signal (w/UX9)

D9

YEL

2059

Auxiliary Audio Left Signal (w/UX9)

D10

BARE

814

Drain Wire (w/UE7, UE9)

D11

DK BLU/WHT

1849

Antenna Select Baud 2 Signal (+) (w/UE7, UE9)

D12

BRN

2355

Navigation Display Serial Data Low

D13

PPL

1807

Class 2 Serial Data

D14

--

--

Not Used

D15-D16

BLK/WHT

351

Ground