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Home >> Buick >> 1994 >> Skylark Limited, 3.1 M >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Analog >> Testing >> Instrument Panel Cluster (IPC) Connector Pin Identification

Instrument Panel Cluster (IPC) Connector Pin Identification

See appropriate table to identify IPC connector pins and circuits. See Fig 1.

IPC CONNECTOR C1 (WHITE) CIRCUIT IDENTIFICATION

Cavity No. Wire Color (Circuit No.) Circuit Function
1 ORN (1733) Parasitic Power Control Input
2 BRN (1174) Oil Level Switch
3 BRN (9) Lights On Input
4 YEL (772) Transaxle Position Input "B"
5 GRY (773) Transaxle Position Input "C"
6 ****** Not Used
7 BLK/WHT (771) Transaxle Position Input "A"
8 DK GRN/WHT (817) Vehicle Speed Input
9 DK GRN (35) COOLANT TEMP. Indicator
10 PNK (1020) PRNDL Display Input Voltage
11 BLK (150) Ground
12 DK GRN (135) Coolant Temp. Sender
13 YEL/BLK (68) LOW COOLANT Indicator
14 BRN (358) SIR Indicator
15 ****** Not Used
16 BLK/WHT (451) Ground
IPC CONNECTOR C2 (BLACK) CIRCUIT IDENTIFICATION

Cavity No. Wire Color (Circuit No.) Circuit Function
1 WHT (776) Reverse Input
2 TAN/WHT (33) BRAKE Indicator
3 LT GRN/BLK (875) ANTILOCK Indicator
4 BRN/WHT (419) Malfunction Indicator Light
5 PNK (39) Ignition Voltage Input
6 PPL (30) Fuel Gauge Sender
7 TAN (31) Oil Pressure Switch
8 BLK (150) Ground
9 BLK/WHT (451) Ground
10 GRY (8) Illumination Input
11 BRN (25) VOLTS Indicator
12 PNK (39) Ignition Voltage Input
13 DK BLU (15) Right Turn Indicator
14 (2) WHT (629) High Beam Indicator
14 (3) LT GRN (11) High Beam Indicator
15 LT BLU (14) Left Turn Indicator
16 DK GRN/WHT (529) FASTEN BELTS Indicator
17 WHT (121) Tachometer Input
18 BLK (150) Ground
IPC CONNECTOR C1 (WHITE) CIRCUIT IDENTIFICATION

Cavity No. Wire Color (Circuit No.) Circuit Function
1 ORN (1733) Parasitic Power Control Input
2 BRN (1174) Oil Level Switch
3-7 ****** Not Used
8 DK GRN/WHT (817) Vehicle Speed Input
9 DK GRN (35) COOLANT TEMP. Indicator
10 PNK (1020) PRNDL Display Input Voltage
11 BLK (150) Ground
12 DK GRN (135) Coolant Temp. Sender
13 YEL/BLK (68) LOW COOLANT Indicator
14 BRN (358) SIR Indicator
15 ******** Not Used
16 BLK/WHT (451) Ground
IPC CONNECTOR C2 (BLACK) CIRCUIT IDENTIFICATION

Cavity No. Wire Color (Circuit No.) Circuit Function
1-2 Not Used 3
LT GRN/BLK (875) ANTILOCK Indicator 4
BRN/WHT (419) Malfunction Indicator Light 5
PNK (39) Ignition Voltage Input 6
PPL (30) Fuel Gauge Sender 7
TAN (31) Oil Pressure Switch 8
BLK (150) Ground 9
BLK/WHT (451) Ground 10
GRY (8) Illumination Input 11
BRN (25) VOLTS Indicator 12
PNK (39) Ignition Voltage Input 13
DK BLU (15) Right Turn Indicator 14 (2)
WHT (629) High Beam Indicator 14 (3)
LT GRN (11) High Beam Indicator 15
LT BLU (14) Left Turn Indicator 16
DK GRN/WHT (529) FASTEN BELTS Indicator 17
WHT (121) Tachometer Input 18
BLK (150) Ground 19
Fig 1: Identifying IPC Connector Terminals
G94E33823Courtesy of GENERAL MOTORS CORP.