Automatic Transmission Related Connector End Views

Transmission Control Module (TCM) Connector, Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15463921 Conn 49 F Micro-64 GT 280 (BK) Sealed
Pin	Wire Color	Circuit No.	Function
1	BN	418	TCC PWM Solenoid Valve Control
2	L-GN	1222	1-2 Shift Solenoid Valve Control
3	RD/BK	1230	ISS High Signal
4-5	-	-	Not Used
6	TN	2501	High Speed GMLAN Serial Data Bus - (CAN)
7	TN/WH	2500	High Speed GMLAN Serial Data Bus + (CAN)
8	-	-	Not Used
9	WH	1804	TCC Release Switch Signal
10	-	-	Not Used
11	D-GN	500	Ignition 0 Voltage
12-13	-	-	Not Used
14	L-BU	1296	Axle Actuator Control
15	-	-	Not Used
16	PU	401	VSS Low Signal
17	L-BU/WH	1229	PC Solenoid Valve Low Control
18-19	-	-	Not Used
20	YE/BK	1223	2-3 Shift Solenoid Valve Control
21-22	-	-	Not Used
23	GY	773	Transmission Range Switch Signal C
24-25	-	-	Not Used
26	D-BU/WH	1231	ISS Low Signal
27-28	-	-	Not Used
29	BK/WH	771	Transmission Range Switch Signal A
30	BK	2762	TFT Sensor Low Reference
31	PK	439	Ignition 1 Voltage
32	OG	4340	Battery Positive Voltage
33-34	-	-	Not Used
35	YE/BK	1227	TFT Sensor Signal
36	-	-	Not Used
37	TN	2501	High Speed GMLAN Serial Data Bus - (CAN)
38	TN/WH	2500	High Speed GMLAN Serial Data Bus + (CAN)
39	WH	776	Transmission Range Switch Signal P
40	RD/BK	1228	PC Solenoid Valve High Control
41	YE	400	VSS High Signal
42	WH	17	Stop Lamp Switch Signal
43-45	-	-	Not Used
46	YE	772	Transmission Range Switch Signal B
47-48	-	-	Not Used
49	BK/WH	451	Ground

Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12033706 4-Way F Metri-Pack 280 Series (BU)
Pin	Wire Color	Circuit No.	Function
A	OG/BK	1786	Park/Neutral Signal 1
B	D-GN/WH	1135	Brake Switch Shift Interlock Input
C	PK	1239	TCC Brake Switch Ignition 1 Voltage
D	PU	420	TCC Brake Switch Signal

Vehicle Speed Sensor Connector, Wiring Harness Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15449029 2-Way F Metri-Pack GT 150 P2S Series (GY)
Pin	Wire Color	Circuit No.	Function
A	PU	401	VSS Low Signal
B	YE	400	VSS High Signal