Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191495 30-Way F GT 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
1	BRN	882	Right Rear Wheel Speed Sensor Signal
2	WHT	883	Right Rear Wheel Speed Sensor Low Reference
3	-	-	Not Used
4	DK GRN	872	Right Front Wheel Speed Sensor Signal
5	TAN	833	Right Front Wheel Speed Sensor Low Reference
6	LT BLU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
7	-	-	Not Used
8	PNK	1339	Ignition 1 Voltage
9	PPL	333	Brake Fluid Level Sensor Signal
10	DK BLU	716	LNG Rate Signal
11	LT BLU	2206	Traction Control Preference Switch Signal
12	BLK	2150	Ground
13	RED	442	Battery Positive Voltage
14	ORN	2340	Battery Positive Voltage
15	BLK	2851	Ground
16	ORN	2554	Traction Control Preference Switch Indicator
17	-	-	Not Used
18	LT BLU	2088	LNG Rate Low Reference
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
26-27	-	-	Not Used
28	DK GRN	2087	LNG Rate Sensor 5 Volt Reference
29-30	-	-	Not Used