Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		9123-3042-30 46-Way Female (BK)
Pin	Wire Color	Circuit No.	Function
1	BU	883	Right Rear Wheel Speed Sensor Low Reference
2	BK	882	Right Rear Wheel Speed Sensor Signal
3	-	-	Not Used
4	RD	833	Right Front Wheel Speed Sensor Low Reference
5	WH	872	Right Front Wheel Speed Sensor Signal
6	GY	873	Left Front Wheel Speed Sensor Low Reference
7	BN	830	Left Front Wheel Speed Sensor Signal
8	YE	885	Left Rear Wheel Speed Sensor Low Reference
9	PU	884	Left Rear Wheel Speed Sensor Signal
10	-	-	Not Used
11	GN/WH	1061	UART Serial Data (Secondary)
12	BU/BK	799	ABS Serial Data
13	OG/WH	463	Requested Torque Signal
14	BU/RD	20	Stop Lamp Switch Signal
15	RD	839	Ignition 1 Voltage
16	BK/OG	350	Ground
17	RD	542	Battery Positive Voltage
18	RD	542	Battery Positive Voltage
19	BK	150	Ground
20	YE/RD	832	Traction Control Active Signal
21	GN	875	ABS Indicator Control
22-26	-	-	Not Used
27	BK/WH	464	Delivered Torque Signal
28	GY/BK	1687	Ignition Retard Signal
29	-	-	Not Used
30	BN/RD	121	Engine Speed Signal
31	RD/WH	1571	Traction Control Switch Signal
32	-	-	-
33	-	-	-
34	-	-	-
35	-	-	-
36	-	-	-
37	-	-	-
38	-	-	-
39	-	-	-
40	-	-	-
41	-	-	-
42	-	-	-
43	-	-	-
44	-	-	-
45	-	-	-
46	-	-	-