Automatic Transmission Related Connector End Views

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Transmission Control Module (TCM) Connector, Engine Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		PE096707 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	YE	2470	Class 2 Serial Data
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/PK	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		15336004 2-Way F Metri-Pack GT 150 P2S Series (BK)
Pin	Wire Color	Circuit No.	Function
A	PU	401	VSS Low Signal
B	YE	400	VSS High Signal