AT Inline 20-way Connector End View, Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15305235 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	PC Solenoid Valve High Control
D	LT BLU/WHT	1229	PC Solenoid Valve Low Control
E	PNK	1039	Ignition 1 Voltage
F	BLK/WHT	771	Transmission Range Signal A
G	YEL	772	Transmission Range Signal B
H	GRY	773	Transmission Range Signal C
J	WHT	776	Transmission Range Signal P
K	BLK/WHT	451	Ground
L	YEL/BLK	1227	TFT Sensor Signal
M	BLK	2762	Low Reference
N-R	-	-	Not Used
S	RED/BLK	1230	AT ISS High Signal
T	BRN	418	TCC PWM Solenoid Valve Control
U	YEL	657	TCC Release Switch Signal
V	DK BLU/WHT	1231	AT ISS Low Signal
W	-	-	Not Used