C175 Engine Harness to Automatic Transmission Harness

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.

C175 Engine Harness to Automatic Transmission Harness Connector End View

Courtesy of GENERAL MOTORS CORP.				Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191511 20-Way F Micro-Pack 100W (GY)		Connector Part Information		12146395 20-Way M Micro-Pack 100W (GY)
Pin	Wire Color	Circuit No.	Function	Pin	Wire Color	Circuit No.	Function
A	L-GN	1222	1-2 Shift Solenoid Valve Control	A	L-GN	1222	1-2 Shift Solenoid Valve Control
B	YE/BK	1223	2-3 Shift Solenoid Valve Control	B	YE	1223	2-3 Shift Solenoid Valve Control
C	RD/BK	1228	PC Solenoid Valve High Control (Sol. A)	C	PU	1228	PC Solenoid Valve High Control (Sol. A)
D	L-BU/WH	1229	PC Solenoid Valve Low Control (Sol. A)	D	L-BU	1229	PC Solenoid Valve Low Control (Sol. A)
E	PK	1020	Ignition 0 Voltage	E	RD	839	Ignition 0 Voltage
F-K	-	-	Not Used	F-K	-	-	Not Used
L	YE/BK	1227	TFT Sensor Signal	L	BN	1227	TFT Sensor Signal
M	BK	2762	Low Reference	M	GY	452	Low Reference
N	PK	1224	Transmission Fluid Pressure Switch Signal A	N	PK	1224	Transmission Fluid Pressure Switch Signal A
P	RD	1226	Transmission Fluid Pressure Switch Signal C	P	OG	1226	Transmission Fluid Pressure Switch Signal C
R	D-BU	1225	Transmission Fluid Pressure Switch Signal B	R	D-BU	1225	Transmission Fluid Pressure Switch Signal B
S	WH	687	3-2 Shift Solenoid Valve Control	S	WH	687	3-2 Shift Solenoid Valve Control
T	TN/BK	422	TCC Solenoid Valve Control	T	BK	422	TCC Solenoid Valve Control
U	BN	418	TCC PWM Solenoid Valve Control	U	TN	418	TCC PWM Solenoid Valve Control
V-W	-	-	Not Used	V-W	-	-	Not Used