Engine Side Connector End View

Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12160493 20-Way F Micro-Pack 100W Series (GRY)
Pin	Wire Color	Circuit No.	Function
A	LT GRN	1222	1-2 Shift Solenoid Valve Control
B	YEL/BLK	1223	2-3 Shift Solenoid Valve Control
C	RED/BLK	1228	Pressure Control (PC) Solenoid Valve High Control
D	LT BLU/WHT	1229	PC Solenoid Valve Low Control
E	PNK	839	Ignition 1 Voltage
F K	-	-	Not Used
L	YEL/BLK	1227	Transmission Fluid Temperature (TFT) Sensor Signal
M	OG/BLK	586	Transmission Fluid Temperature (TFT) Low Reference
N	PNK	1224	Transmission Fluid Pressure (TFP) Switch Signal A
P	RED	1226	TFP Switch Signal C
R	DK BLU	1225	TFP Switch Signal B
S	RED/BLK	1230	Automatic Transmission Input Shaft Speed Sensor (AT ISS) High Signal
T	BRN	418	Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control
U	WH	1804	TCC Release Switch Signal
V	DK BLU/WHT	1231	AT ISS Low Signal
W	-	-	Not Used

Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12160493 20-Way F Micro-Pack 100W Series (GRY)
Pin	Wire Color	Circuit No.	Function
A	LT GRN	1222	1-2 Shift Solenoid Valve Control
B	YEL/BLK	1223	2-3 Shift Solenoid Valve Control
C	RED/BLK	1228	Pressure Control (PC) Solenoid Valve High Control
D	LT BLU/WHT	1229	PC Solenoid Valve Low Control
E	PNK	839	Ignition 1 Voltage
		F K	Not Used
L	YEL/BLK	1227	Transmission Fluid Temperature (TFT) Sensor Signal
M	BLK	407	Low Reference
N	PNK	1224	Transmission Fluid Pressure (TFP) Switch Signal A
P	RED	1226	TFP Switch Signal C
R	DK BLU	1225	TFP Switch Signal B
S	RED/BLK	1230	Automatic Transmission Input Shaft Speed Sensor (AT ISS) High Signal
T	BRN	418	Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control
U	YEL	657	TCC Release Switch Signal
V	DK BLU/WHT	1231	AT ISS Low Signal
		W	Not Used