GM Service Manual Online
For 1990-2009 cars only

Instrument Cluster Connector C1 (DTC)


Object Number: 191573  Size: CF

Connector Part Information

    • 12191375
    • 16-Way F Micro-Pack 100 Series (PPL)

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

A1

--

--

Not Used

--

--

--

A2

TAN/WHT

331

Oil Pressure Signal

C203 Terminal L5, C101 Terminal C and Oil Pressure Sensor Terminal A

B0709

Oil Pressure Gauge Inoperative

A3

WHT

121

Tachometer Signal Input

PCM C203 Terminal L6, C101 Terminal A, PCM Connector C2 Terminal 10 or VCM C203 Terminal L6, C101 Terminal A and VCM Connector C2 Terminal 26

--

Tachometer Inoperative

A4

DK GRN

389

Vehicle Speed Signal Input - 4,000 Pulses Per Mile

PCM C203 Terminal E11, C203 Terminal E11, C120 Terminal E, and PCM Connector C2 Terminal 17 or VCM C203 Terminal E2 and VCM Connector C2 Terminal 4

--

Speedometer and Odometer Inoperative

A5

BRN

41

Fuse Output-Ignition 3-Type III Fuse

C203 Terminal L9, Underhood Fuse Block C1 Terminal A11, Underhood Fuse Block C2 Terminal F11 and Park Neutral Switch Terminal G

--

--

A6

GRY

1036

Class 2 Serial Data Line

C203 Terminal L7, SP201 Terminal G, SP201 Terminal A and DLC Terminal 2

--

--

A7

PNK

39

Ignition 1 Input

GAUGES Fuse

--

--

A8

PNK

1020

Ignition 0 Input

CLSTR Fuse

--

--

A9

BLK/WHT

451

Ground for the IPC

C203 Terminal H13, Body Relay Block B5, Body Relay Block B6, Underhood Fuse Block C1 Terminal E8, Underhood Fuse Block C2 Terminal E7, S152 and G105

--

--

A10

ORN

340

Battery Power Input

RDO BATT Fuse

--

--

A11

BRN/WHT

419

PCM/VCM Internal Ground for the SERVICE ENGINE SOON Lamp Control

PCM C207 Terminal L2, C203 Terminal L2, C120 Terminal B, PCM Connector C2 Terminal 46 or VCM C203 Terminal L2 and VCM Connector C4 Terminal 5

--

SERVICE ENGINE SOON Lamp Inoperative

A12

ORN/BLK

1786

Park Switch Signal

C203 Terminal L4 and C211 Terminal A9

--

PRDNL Display Inoperative

B1

LT BLU/WHT

1414

Left Turn Signal Switch Input

C203 Terminal J6, SP204 Terminal E, SP204 Terminal D, and C211 Terminal A7

--

Left Turn Signal Bulb May Be Inoperative

B2

GRY

1220

ILLUM Fuse Input for Dimming Control

ILLUM Fuse

--

Dimming Inoperative with Park Lamps ON

B3

BLK

1050

Ground

SP203 Terminal E, SP203 Terminal J and G203

--

--

B4-B10

--

--

Not Used

--

--

--

B11

DK BLU/WHT

1415

Right Turn Signal Switch Input

C203 Terminal J7, SP204 Terminal H, SP204 Terminal G, and C211 Terminal A8

--

Turn Signal Bulb May Be Inoperative

B12

BRN

358

Input from the SIR Module for the SIR Indicator Lamp Control

C203 Terminal L8 and SDM C1 Terminal 7

B1480

B2617

SIR Indicator Lamp May Not Function Properly

NOTE: Refer to Typical Scan Tool Data Values for more information.