K73 Telematics Communication Interface Control Module X1

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	19370262	EL-35616-58 (BK)	EL-38125-58
II	84729890	J-35616-12 (BU)	J-38125-553

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	RD / WH	140	Battery Positive Voltage	II	-
2 - 3	-	-	-	Not Occupied	-	-
4	0.5	BK / WH	2551	Signal Ground	II	-
5	-	-	-	Not Occupied	-	-
6	0.35	GN / BK	2515	Telematics Switch Supply Voltage	II	-
7	-	-	-	Not Occupied	-	-
8	0.5	BK / WH	2551	Signal Ground	II	-
9	0.35	WH / GN	1305	High Speed GMLAN Serial Data [-] 9	I	-
10	0.35	BU / GN	1304	High Speed GMLAN Serial Data [+] 9	I	-
11	0.35	GN / WH	2514	Telematics Switch Signal	I	-
12	0.35	WH / BU	5986	Serial Data Communication Enable	I	-
13	0.35	BK	2550	Ground	I	-
14	0.35	BK / GY	5152	Voice Recognition Audio [-] Control	I	-
15	0.35	GY / YE	5149	Voice Recognition Audio Signal	I	-
16	0.35	WH / GN	1305	High Speed GMLAN Serial Data [-] 9	I	-
17	0.35	BU / GN	1304	High Speed GMLAN Serial Data [+] 9	I	-
18	-	-	-	Not Occupied	-	-
19	0.35	YE / VT	2516	Telematics Switch Green LED Indicator Control	I	-
20	-	-	-	Not Occupied	-	-
21	0.35	BK / BN	654	Cellular Telephone Microphone Low Reference	I	-
22	0.35	BU	655	Cellular Telephone Microphone Signal	I	-
23	0.35	GY / GN	1102	Low Speed GMLAN Serial Data 2	I	-
24 - 25	-	-	-	Not Occupied	-	-
26	0.35	BN / WH	2517	Telematics Switch Red LED Indicator Control	I	-
27	-	-	-	Not Occupied	-	-
28	0.35	GN	7217	Ethernet Bus 7 [+]	I	-
29	0.35	WH	7216	Ethernet Bus 7 [-]	I	-