X125 Engine Harness to Heated Oxygen Sensor (HO2S) Jumper Harness (31 Series +6.0L)

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

X125 Engine Harness to Heated Oxygen Sensor (HO2S) Jumper Harness (31 Series +6.0L) Connector End Views

Courtesy of GENERAL MOTORS CORP.

Courtesy of GENERAL MOTORS CORP.

X125 Engine Harness to Heated Oxygen Sensor (HO2S) Jumper Harness (31 Series +6.0L) Connector Parts Information

Connector Part Information OEM:12176897 Service: 15305960 Description: 4-Way F Metri-Pack 150 Sealed (GY)	Connector Part Information OEM: 15326423 Service: See Catalog Description: 4-Way M Metri-Pack 150 Sealed (GY)
Terminal Part Information Terminal/Tray: 12045773/2 Core/Insulation Crimp: E/1 Release Tool/Test Probe: 12094429/J-35616-3 (GY)	Terminal Part Information Terminal/Tray: 12045773/2 Core/Insulation Crimp: E/1 Release Tool/Test Probe: 12094429/J-35616-3 (GY)

X125 Engine Harness to Heated Oxygen Sensor (HO2S) Jumper Harness (31 Series +6.0L) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function	Pin	Wire Color	Circuit No.	Function
A	0.5 TN	1671	HO2S Low Signal - Bank 2 Sensor 2	A	0.8 TN	1671	HO2S Low Signal - Bank 2 Sensor 2
B	0.5 PU	1670	HO2S High Signal - Bank 2 Sensor 2	B	0.8 PU	1670	HO2S High Signal - Bank 2 Sensor 2
C	0.5 OG/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2	C	0.8 OG/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2
D	0.5 PK/BK	1539	Ignition 1 Voltage	D	0.8 PK/BK	1539	Ignition 1 Voltage