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 WH	1390	Off/Run/Crank Voltage
3	0.35 GY	1884	Cruise Control Switch Signal
4	0.35 WH/BK	1073	5-Volt Reference
5	0.35 L-GN	1715	Windshield Wiper Switch High Signal
6	0.35 D-BU	1796	Steering Wheel Controls Signal
7	-	-	Not Used
8	0.35 BK/WH	1251	Ground
9	0.35 L-BU	1714	Windshield Wiper Switch Low Signal
10-13	-	-	Not Used
14	3 PK	3	Ignition 1 Voltage
15	0.35 L-BU/WH	1414	Left Turn Signal Switch Signal
16	0.35 D-BU/WH	1415	Right Turn Signal Switch Signal
17	0.35 PU	1375	Steering Wheel Control Supply Voltage
18	0.35 PU	524	Headlamp Dimmer Switch High Beam Signal
19	0.35 TN	2144	Hazard Switch Signal
20	-	-	Not Used
21	0.35 BN	4	Accessory Voltage
22-23	-	-	Not Used
24	0.35 PK	94	Windshield Washer Switch Signal
25	0.35 BN	1356	Flash To Pass Switch Signal
26	0.5 D-GN/WH	1135	A/T Shift Lock Control Solenoid Supply Voltage (w/o Floor Shifter)
27	-	-	Not Used

Connector Part Information

Terminal Part Information