K68 Trailer Lamp Control Module (U1D)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Chassis
OEM Connector: 13655518
Service Connector: 19303771
Description: 38-Way F 1.5 CTS, 2.8 MCP, 4.8 MCP Series, Sealed (BK with BN Inner Connector)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	19368624	J-35616-35 (VT)	J-38125-212
II	19369235	J-35616-14 (GN)	J-38125-212
III	85158596	J-35616-40 (BU)	J-38125-212

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	3	RD / VT	5640	Battery Positive Voltage	III	-
2	0.5 0.75	BU / WH BU / WH	5186 5186	Left Trailer Turn Signal Lamp Control Left Trailer Turn Signal Lamp Control	II II	MBR -MBR
3	0.5 0.75	YE / GY YE / GY	5187 5187	Right Trailer Turn Signal Lamp Control Right Trailer Turn Signal Lamp Control	II II	MBR -MBR
4	0.5	BN / YE	5188	Trailer Stop Lamp Control	II	MBR
5	0.5	BN / GY	5184	Left Trailer Park Lamp Control	II	MBR
6	0.5	GY	5185	Right Trailer Park Lamp Control	II	MBR
7	0.5 0.75	GN / WH GN / WH	5189 5189	Trailer Backup Lamp Control Trailer Backup Lamp Control	II II	MBR -MBR
8	0.5	YE / WH	5190	Trailer Fog Lamp Control	II	MBR
9	-	-	-	Not Occupied	-	-
10	0.75	VT / BK	339	Run/Crank Ignition 1 Voltage	II	-
11	0.5	BN / YE	820	Center High Mounted Stop Lamp Supply Voltage	II	-
12	0.75	GN / BU	5992	Trailer Connected Signal	II	MBR
13	2.5	BK	2050	Ground	III	-
14 - 24	-	-	-	Not Occupied	-	-
25	0.75	BN / GY	5184	Left Trailer Park Lamp Control	I	-
26	-	-	-	Not Occupied	-	-
27	0.5	BU / VT	4101	AUTOSAR CAN Bus [+] 4 Serial Data	II	-
28	0.5	WH	4100	AUTOSAR CAN Bus [-] 4 Serial Data	II	-
29	0.5	BU / VT	4101	AUTOSAR CAN Bus [+] 4 Serial Data	II	-
30	0.5	WH	4100	AUTOSAR CAN Bus [-] 4 Serial Data	II	-
31 - 37	-	-	-	Not Occupied	-	-
38	2	RD / YE	5840	Battery Positive Voltage	I	-