Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15326596 31-Way F Standard Power Timer Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	WH	883	Right Rear Wheel Speed Sensor Low Reference
2	BN	882	Right Rear Wheel Speed Sensor Signal
3	TN	833	Right Front Wheel Speed Sensor Low Reference
4	-	-	Not Used
5	D-GN	872	Right Front Wheel Speed Sensor Signal
6	YE	873	Left Front Wheel Speed Sensor Low Reference
7	L-BU	830	Left Front Wheel Speed Sensor Signal
8	RD	885	Left Rear Wheel Speed Sensor Low Reference
9	BK	884	Left Rear Wheel Speed Sensor Signal
10	-	-	Not Used
11	L-BU	1276	ABS Serial Data K-Line
12	-	-	Not Used
13	OG/BK	463	Requested Torque Signal
14	L-BU	20	Stop Lamp Switch Signal
15	PK	339	Ignition 1 Voltage
16	BK	150	Ground
17	RD	702	Battery Positive Voltage
18	OG	1002	Battery Positive Voltage
19	BK	150	Ground
20	L-BU	832	Traction Control Active Signal
21	L-GN	867	ABS Indicator Failure Control
22-25	-	-	Not Used
26	WH	1909	Right Front Wheel Speed Sensor Signal
27	TN/BK	464	Delivered Torque Signal
28	WH	2192	Traction Ready Indicator Control
29	-	-	Not Used
30	WH	121	Engine Speed Signal
31	L-BU	1788	Traction Control Switch Signal