Automatic Transmission Inline 20-Way Connector End View

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Automatic Transmission Inline 20-Way Connector End View - Transmission Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		Tab Pin Housing 20-way M (BK) with O-rings
Pin	Wire Color	Circuit No.	Function
1	OG	400	Output Speed Sensor (OSS) High Signal
2	BN	1786	Park/Neutral Signal
3	WH	401	OSS Low Signal
4	GN	1551	Ground
5	GY	898	4-5 Shift Solenoid Valve Control
6	WH	2762	TFT Sensor Low Reference
7	BK	772	Transmission Range Signal B
8	WH	1229	PC Solenoid Valve Low Control
9	BU	1223	2-3 Shift Solenoid Valve Control
10	RD	1227	TFT Sensor Signal
11	GY	776	Transmission Range Signal P
12	-	-	Not Used
13	GN	1228	PC Solenoid Valve High Control
14	BK	1222	1-2 Shift Solenoid Valve Control
15	WH	1231	ISS Low Signal
16	RD	771	Transmission Range Signal A
17	WH	1525	Solenoid Power Supply
18	YE	1230	ISS High Signal
19	BU	773	Transmission Range Signal C
20	YE	422	TCC Solenoid Valve Control

Automatic Transmission Inline 20-Way Connector End View - Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		Conn 20P F (BK) Locking
Pin	Wire Color	Circuit No.	Function
1	YE	400	Output Shaft Speed Sensor (OSS) High Signal
2	OG/BK	1786	Park/Neutral Signal
3	PU	401	OSS Low Signal
4	BK/WH	1551	Ground
5	PK	898	4-5 Shift Solenoid Valve Control
6	TN	2762	TFT Sensor Low Reference
7	YE	772	Transmission Range Signal B
8	L-BU/WH	1229	PC Solenoid Valve Low Control
9	YE/BK	1223	2-3 Shift Solenoid Valve Control
10	YE/BK	1227	TFT Sensor Signal
11	WH	776	Transmission Range Signal P
12	-	-	Not Used
13	OG/BK	1228	PC Solenoid Valve High Control
14	L-GN	1222	1-2 Shift Solenoid Valve Control
15	D- BU/WH	1231	ISS Low Signal
16	TN/WH	771	Transmission Range Signal A
17	OG	1525	Solenoid Power Supply
18	OG/BK	1230	ISS High Signal
19	GY	773	Transmission Range Signal C
20	TN/BK	422	TCC Solenoid Valve Control