Automatic Transmission Related Connector End Views. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Automatic Transmission Related Connector End Views

Connector 1:	Automatic Transmission Input Speed Sensor (AT ISS) - 4.8L and 6.0L
Connector 2:	Automatic Transmission Input Speed Sensor (AT ISS) - 6.6L
Connector 3:	Park/Neutral Position (PNP) Switch
Connector 4:	Tow/Haul Switch, Dash Mounted Wiring Harness Side
Connector 5:	Transmission Control Module (TCM), Engine Side - 6.6L
Connector 6:	Vehicle Speed Sensor (VSS) - 4.8L and 6.0L
Connector 7:	Vehicle Speed Sensor (VSS) - 6.6L

Automatic Transmission Input Speed Sensor (AT ISS) - 4.8L and 6.0L

Connector Part Information

OEM: 15359366
Service: N/A
Description: ASM 2-Way F Metri-Pack 150.2 Series P2S Sealed (BK)

Automatic Transmission Input Speed Sensor (AT ISS) - 4.8L and 6.0L

Pin	Wire Color	Circuit No.	Function
A	OG/BK	1230	Automatic Transmission Input Speed Sensor (AT ISS) High Signal
B	D-BU/WH	1231	Automatic Transmission Input Speed Sensor (AT ISS) Low Signal

Automatic Transmission Input Speed Sensor (AT ISS) - 6.6L

Connector Part Information

OEM: 15359366
Service: N/A
Description: ASM 2-Way F Metri-Pack 150.2 Series P2S Sealed (BK)

Automatic Transmission Input Speed Sensor (AT ISS) - 6.6L

Pin	Wire Color	Circuit No.	Function
A	D-BU/WH	1231	Automatic Transmission Input Speed Sensor (AT ISS) Low Signal
B	OG/BK	1230	Automatic Transmission Input Speed Sensor (AT ISS) High Signal

Park/Neutral Position (PNP) Switch

Connector Part Information

OEM: 15416722
Service: N/A
Description: ASM 12-Way F GT Mixed with Latch (GY)

Park/Neutral Position (PNP) Switch

Pin	Wire Color	Circuit No.	Function
1	D-GN	1433	Park/Neutral Position (PNP)/Clutch Start Switch Signal
2	--	--	Not Used
3	OG/BK	1786	Park/Neutral Signal (6.6L)
4	YE	772	Transmission Range (TR) Switch Signal B
5	TN/WH	771	Transmission Range (TR) Switch Signal A
6	GY	773	Transmission Range (TR) Switch Signal C
7	BK	1250 - 4.8L and 6.0L 150 - 6.6L	Ground
8	WH	776	Transmission Range (TR) Switch Signal P
9	L-GN	275	Park/Neutral Position (PNP) Switch Park Signal
10	D-GN	1324	Back-up Lamp Supply Voltage
11	PK	339	Ignition 1 Voltage
12	PK	139	Ignition 1 Voltage

Tow/Haul Switch, Dash Mounted Wiring Harness Side

Connector Part Information

OEM: 12047785
Service: N/A
Description: 4-Way F Metri-Pack 150 (BK)

Tow/Haul Switch, Dash Mounted Wiring Harness Side

Pin	Wire Color	Circuit No.	Function
A	BK	350	Ground
B	BN/WH	230	Instrument Panel Lamps Dimming Control
C	--	--	Not Used
D	L-BU	1788	Tow/Haul Switch Signal

Transmission Control Module (TCM), Engine Side - 6.6L

Connector Part Information

OEM: 15463921
Service: N/A
Description: 49-Way F Micro-Pack 64 GT 280 Series Sealed (BK)

Transmission Control Module (TCM), Engine Side - 6.6L

Pin	Wire Color	Circuit No.	Function
1	BN	418	Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control
2	L-GN	1222	1-2 Shift Solenoid Valve Control
3	OG/BK	1230	Automatic Transmission Input Speed Sensor (AT ISS) High Signal
4	--	--	Not Used
5	L-BU	2221	Signal High - Rear
6	TN/BK	2500	High Speed GMLAN Serial Data Bus + (CAN)
7	TN	2501	High Speed GMLAN Serial Data Bus - (CAN)
8-10	--	--	Not Used
11	YE	343	Accessory Voltage
12-14	--	--	Not Used
15	TN/BK	2500	High Speed GMLAN Serial Data Bus + (CAN)
16	PU	401	Vehicle Speed Sensor (VSS) Low Signal
17	L-BU/WH	1229	Pressure Control (PC) Solenoid Valve Low Control
18	--	--	Not Used
19	TN	2501	High Speed GMLAN Serial Data Bus - (CAN)
20	YE/BK	1223	2-3 Shift Solenoid Valve Control
21-22	--	--	Not Used
23	GY	773	Transmission Range (TR) Switch Signal C
24	PK	1224	Transmission Fluid Pressure (TFP) Switch Signal A
25	--	--	Not Used
26	D-BU/WH	1231	Automatic Transmission Input Speed Sensor (AT ISS) Low Signal
27-28	--	--	Not Used
29	TN/WH	771	Transmission Range (TR) Switch Signal A
30	D-BU/WH	2762	Low Reference
31	PK	439	Ignition 1 Voltage
32	RD/WH	440	Battery Positive Voltage
33	OG	1226	Transmission Fluid Pressure (TFP) Switch Signal C
34	--	--	Not Used
35	YE/BK	1227	Transmission Fluid Temperature (TFT) Sensor Signal
36	--	--	Not Used
37	TN	2501	High Speed GMLAN Serial Data Bus - (CAN)
38	TN/BK	2500	High Speed GMLAN Serial Data Bus + (CAN)
39	WH	776	Transmission Range (TR) Switch Signal P
40	OG/BK	1228	Pressure Control (PC) Solenoid Valve High Control
41	YE	400	Vehicle Speed Sensor (VSS) High Signal
42	L-BU	1320	Stop Lamp Supply Voltage
43	--	--	Not Used
44	D-BU	1225	Transmission Fluid Pressure (TFP) Switch Signal B
45	--	--	Not Used
46	YE	772	Transmission Range (TR) Switch Signal B
47-48	--	--	Not Used
49	BK/WH	1551	Ground

Vehicle Speed Sensor (VSS) - 4.8L and 6.0L

Connector Part Information

OEM: 15359366
Service: N/A
Description: ASM 2-Way F Metri-Pack 150.2 Series P2S Sealed (BK)

Vehicle Speed Sensor (VSS) - 4.8L and 6.0L

Pin	Wire Color	Circuit No.	Function
A	YE	400	Vehicle Speed Sensor (VSS) High Signal
B	PU	401	Vehicle Speed Sensor (VSS) Low Signal

Vehicle Speed Sensor (VSS) - 6.6L

Connector Part Information

OEM: 15359366
Service: N/A
Description: ASM 2-Way F Metri-Pack 150.2 Series P2S Sealed (BK)

Vehicle Speed Sensor (VSS) - 6.6L

Pin	Wire Color	Circuit No.	Function
A	PU	401	Vehicle Speed Sensor (VSS) Low Signal
B	YE	400	Vehicle Speed Sensor (VSS) High Signal