Memory Seat Module (MSM) Connector End View C4 (A45)

Fig 1: Memory Seat Module (MSM) C4 (A45) Connector View

Courtesy of GENERAL MOTORS CORP.

Power Seat Connector End Views

Connector Part Information  OEM: 1740472 Service: 12162820 Description: 20-Way M Hinged Lock (BK)

Terminal Part Information  Pins: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 19, 20 Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Memory Seat Module (MSM) C4 (A45)

Pin	Wire Color	Circuit No.	Function
1	WH	790	PWM Serial Data
2	YE	1519	Power Seat Rear Vertical Up Switch Signal
3	L-BU	1521	Power Seat Rear Vertical Down Switch Signal
4	TN	1522	Power Seat Horizontal Forward Switch Signal
5	L-GN	1523	Power Seat Horizontal Rearward Switch Signal
6	L-BU	277	Driver Power Seat Recline Motor Rearward Control
7	L-GN	276	Driver Power Seat Recline Motor Forward Control
8	D-BU	1064	Driver Seat Lumbar Rearward Switch Signal
9	YE	1065	Driver Seat Lumbar Forward Switch Signal
10	YE/BK	1067	Driver Seat Lumbar Down Switch Signal
11	GY	791	PWM Serial Data
12-17	-	-	Not Used
18	D-GN	1518	Power Seat Front Vertical Up Switch Signal
19	D-BU	1520	Power Seat Front Vertical Down Switch Signal
20	WH	1066	Driver Seat Lumbar Up Switch Signal