Instrument Panel, Gages, and Console Connectors

Engine Oil Pressure (EOP) Switch Connector Terminal Identification - 4.2L

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12065400 4-Way F Metri-Pack 150 Series, Sealed (GN)
Pin	Wire Color	Circuit No.	Function
A	TN/BK	231	Oil Pressure Switch Signal
B	PU	114	Low Reference
C-D	-	-	Not Used

Engine Oil Pressure (EOP) Sensor Connector Terminal Identification - 5.3L

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15344137 3-Way F GT 150 Sealed 5.2 (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	407	Low Reference
2	GY	705	5-Volt Reference
3	TN/WH	332	Oil Pressure Sensor Signal

Instrument Panel Cluster (IPC) Connector Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	L-BU	2114	Left Turn Signal Lamps Supply Voltage
A2	OG	2340	Battery Positive Voltage
A3	-	-	Not Used
A4	BK/WH	751	Ground
A5	BK	2250	Ground
A6	-	-	Not Used
A7	BN/WH	230	Instrument Panel Lamps Dimming Control
A8	YE	1327	DIC Fuel Signal (w/STW)
A9	D-GN/WH	1358	DIC Switch Signal (w/STW)
A10	D-BU	894	DIC Toggle Switch Signal (w/STW)
A11	OG	1816	DIC Set/Reset Switch Signal (w/STW)
A12	WH	121	Engine Speed Signal
B1	GY	1036	IPC Class 2 Serial Data
B2-B3	-	-	Not Used
B4	BN/WH	419	MIL Control
B5-B6	-	-	Not Used
B7	PK	639	Ignition 1 Voltage
B8	-	-	Not Used
B9	D-GN/WH	817	Vehicle Speed Signal
B10	D-BU	2115	Right Turn Signal Lamps Supply Voltage
B11	-	-	Not Used
B12	BK/WH	174	Low Washer Fluid Indicator Signal

Steering Wheel Control Switch Assembly - Lower Left (STW) Connector Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		50-57-9404 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BN	230	Instrument Panel Lamps Dimming Control
2	YE	1327	Fuel Signal
3	D-BU	894	Trip Signal
4	BK	2250	Ground

Steering Wheel Control Switch Assembly - Lower Right (STW) Connector Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		50-57-9405 5-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BN	230	Instrument Panel Lamps Dimming Control
2	D-GN	1358	Personalization Signal
3	OG	1816	Select Signal
4	BK	2250	Ground
5	-	-	Not Used