Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		9123-3042-30 46-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK/OG	350	Ground
2	RD	542	Battery Positive Voltage
3	RD/YE	1440	Battery Positive Voltage
4	BK	150	Ground
5	BN	830	LF Wheel Speed Signal High
6	-	-	Not Used
7	PU	884	LR Wheel Speed Signal High
8	BU	883	RR Wheel Speed Signal Low
9	RD	873	RF Wheel Speed Signal Low
10	WH	872	RF Wheel Speed Signal High
11	BU/BK	799	ABS Serial Data
12-13	-	-	Not Used
14	TN	2501	LAN Signal
15-24	-	-	Not Used
25	TN	2501	LAN Signal
26	GY	873	LF Wheel Speed Signal Low
27	YE	885	LR Wheel Speed Signal Low
28	RD	839	Ignition Voltage
29	BK	882	RR Wheel Speed Signal High
30	BU/RD	20	Stop Lamp Switch Signal
31-24	-	-	Not Used
35	TN/BK	2500	LAN Signal
36-44	-	-	Not Used
45	TN/BK	2500	LAN Signal
46	-	-	Not Used