Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1928403008 31-Way F (BK)
Pin	Wire Color	Circuit Number	Function
1	BN	882	RR WSS Signal
2	-	-	Not Used
3	WH	883	RR WSS Low Reference
4	D-GN	872	RF WSS Signal
5	TN	833	RF WSS Low Reference
6	YE	873	LF WSS Low Reference
7	L-BU	830	LF WSS Signal
8	BK	884	LR WSS Signal
9	RD	885	LR WSS Low Reference
10	-	-	Not Used
11	WH/BK	5043	Keyword Serial Data
12-14	-	-	Not Used
15	PK	1039	Ignition 1 Voltage
16	BK	350	Ground
17	RD	702	Battery Positive Voltage
18	OG	140	Battery Positive Voltage
19	BK	350	Ground
20-24	-	-	Not Used
25	TN	2501	CAN Low
26	-	-	Not Used
27	TN/WH	2500	CAN High
28	-	-	Not Used
29	TN	2501	CAN Low
30	TN/WH	2500	CAN High
31	BN/WH	1571	Traction Control Switch Signal (NW9)