Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15326390 30-Way F GT 150 280 SEALED 4.0 5.8 (BLK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BRN	882	Right Rear Wheel Speed Sensor Signal
3	WHT	883	Right Rear Wheel Speed Sensor Low Reference
4	DK GRN	872	Right Front Wheel Speed Sensor Signal
5	TAN	833	Right Front Wheel Speed Sensor Low Reference
6	WHT	17	Stop Lamp Switch Signal
7	-	-	Not Used
8	PNK	1039	Ignition 1 Voltage
9	TAN/BLK	464	Delivered Torque Signal
10	-	-	Not Used
11	WHT	121	Engine Speed Signal (W/NW9)
12	BLK/WHT	251	Ground
13	RED	1442	Battery Positive Voltage
14	ORN	1740	Battery Positive Voltage
15	BLK/WHT	251	Ground
16-19	-	-	Not Used
20	LT BLU	830	Left Front Wheel Speed Sensor Signal
21	YEL	873	Left Front Wheel Speed Sensor Low Reference
22	BLK	884	Left Rear Wheel Speed Sensor Signal
23	RED	885	Left Rear Wheel Speed Sensor Low Reference
24	-	-	Not Used
25	LT BLU	1122	ABS/TCS Class 2 Serial Data
26	-	-	Not Used
27	ORN/BLK	463	Requested Torque Signal
28-30	-	-	Not Used