Instrument Panel, Gages, and Console Connectors

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

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