Body Control Module (BCM) X1

Fig 1: Body Control Module (BCM) X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 L-GN/BK	592	DRL Relay Control
3	0.35 D-GN/WH	636	Ambient Air Temperature Sensor Signal
4	-	-	Not Used
5	0.35 WH	5075	Battery Current Sensor Signal (HP7)
6	0.35 YE	61	Low Reference
7	-	-	Not Used
8	0.35 BN	5077	Low Reference (HP7)
9	0.35 BK	350	Ground (HP7)
10	0.35 PK	5076	5-Volt Low Reference (HP7)
11	0.35 RD	1940	Battery Positive Voltage (HP7)
12	0.5 BK	1050	Ground
13	0.35 TN	28	Horn Relay Control
14	-	-	Not Used
15	0.35 L-BU	2182	Reverse Lamp Relay Control
16	0.35 L-BU	1344	Trunk Release Relay Control
17	-	-	Not Used
18	0.35 OG/BK	744	Rear Compartment Lid Ajar Switch Signal
19	0.35 YE	317	Fog Lamp Relay Control (T96)
20-21	-	-	Not Used
22	0.35 D-GN	113	Windshield Wiper Switch Signal 2
23-25	-	-	Not Used
26	0.35 YE	196	Windshield Wiper Motor Park Switch Signal
27-28	-	-	Not Used
29	0.35 TN/WH	1969	Headlamp High Beam Relay Control
30-32	-	-	Not Used
33	0.35 BN/WH	1571	Traction Control Switch Signal
34	-	-	Not Used
35	0.35 L-GN	262	Driver Door Key Switch Signal
36	-	-	Not Used
37	0.35 D-GN	5060	Low Speed GMLAN Serial Data
38	0.35 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
39	-	-	Not Used
40	0.35 D-GN/WH	1135	A/T Shift Lock Control Solenoid Supply Voltage
41	-	-	Not Used
42	0.35 WH	17	Stop Lamp Switch Signal or Stop Lamp Supply Voltage
43-50	-	-	Not Used
51	0.35 GY/BK	745	Left Front Door Ajar Switch Signal
52	-	-	Not Used
53	0.35 L-GN/BK	748	Right Rear Door Ajar Switch Signal
54	0.35 L-BU/BK	747	Left Rear Door Ajar Switch Signal
55	0.35 D-GN	5060	Low Speed GMLAN Serial Data
56	0.35 D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
57	0.35 WH	193	Rear Defog Relay Control
58	0.35 YE	5199	Run/Crank Relay Coil Control
59	0.8 L-BU	1134	Park Brake Switch Signal
60	0.35 PK	849	Brake Fluid Level Sensor Signal
61	-	-	Not Used
62	0.35 TN/WH	99	Windshield Washer Fluid Level Signal
63-64	-	-	Not Used
65	0.35 WH	1080	Park Lamp Relay Control
66	0.35 WH	682	Door Lock Lock/Unlock Signal
67	0.35 WH	682	Door Lock Lock/Unlock Signal
68	-	-	Not Used
69	0.35 PK/BK	109	Hood Ajar Switch Signal
70	0.35 PU	5531	Hood Ajar Switch Signal
71	0.35 BN/WH	2091	Trunk Release Switch Supply Voltage
72	0.35 TN/WH	746	Right Front Door Ajar Switch Signal

Connector Part Information

OEM: 15393122
Service: 88987847
Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)