X320 Passenger Seat Wiring Harness to Body Wiring Harness

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY	Courtesy of GENERAL MOTORS COMPANY
Connector Part Information Harness Type: Passenger Seat Wiring Harness OEM Connector: 35253720 Service Connector: Service by Harness - See Part Catalog Description: 55-Way F 1.2 OCS, 2.8, 6.3 CTS Series, Sealed (BK)	Connector Part Information Harness Type: Body Wiring Harness OEM Connector: 35205187 Service Connector: 84727364 Description: 55-Way M 1.2 OCS, 2.8, 6.3 CTS Series, Sealed (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	Not required	J-35616-16 (L-GN)	No Tool Required
II	Not required	J-35616-35 (VT)	No Tool Required
III	Not required	J-35616-42 (RD)	No Tool Required
IV	Not required	J-35616-43 (RD)	No Tool Required
V	Not required	No Tool Required	No Tool Required
VI	84847992	J-35616-32 (OG)	J-38125-36
VII	84867140	J-35616-13 (BU)	J-38125-215A
VIII	84992391	J-35616-5 (PU)	J-38125-215A

Pin	Size	Color	Circuit	Terminal Type ID	Option	Function	Pin	Size	Color	Circuit	Terminal Type ID	Option
1	2.5 0.75	BK BK	1250 1250	III IV	A7K/KA1/KQV KA1-A7K	Ground Ground	1	2.5	BK	1250	VI	-
2 - 8	-	-	-	-	-	Not Occupied	2 - 8	-	-	-	-	-
9	0.5	GN/BU	6133	I	-	Body Control Module LIN Bus 2	9	0.35	GN/BU	6133	VII	-
10	0.5	BK/YE	2080	I	-	Driver Heated Seat Thermistor Low Reference	10	0.35	BK/YE	2080	VII	-
11	0.5	YE/GY	2079	I	-	Driver Seat Heating Temperature Sensor Signal	11	0.35	YE/GY	2079	VII	-
12	-	-	-	-	-	Not Occupied	12	-	-	-	-	-
13	2.5	RD/BN	1440	III	-	Battery Positive Voltage	13	2.5	RD/BN	1440	VI	-
14	0.75	RD	6140	II	-	Battery Positive Voltage	14	0.5	RD	6140	VIII	-
15	0.75	BN/VT	2077	I	-	Driver Seat Heating Element Control	15	0.75	BN/VT	2077	VII	-
16	0.75	BN/BK	2078	I	-	Driver Seat Heating Element Low Reference	16	0.75	BN/BK	2078	VII	-
17	0.5	BK/VT	2426	I	-	Driver Heated Back Thermistor Low Reference	17	0.35	BK/VT	2426	VII	-
18	0.5	BU	2425	I	-	Driver Seat Back Heating Temperature Sensor Signal	18	0.35	BU	2425	VII	-
19	0.75	BN	2432	I	-	Driver Seat Back Heating Element Control	19	0.75	BN	2432	VII	-
20	0.35	GN/VT	5906	I	-	Driver Seat Blower Motor Control 1	20	0.35	GN/VT	5906	VII	-
21	0.75	VT/WH	4939	I	-	Run/Crank Ignition 1 Voltage	21	0.5	VT/WH	4939	VII	-
22	0.5	RD/GN	4440	I	-	Battery Positive Voltage	22	0.5	RD/GN	4440	VII	-
23	0.5	GN	5060	I	-	Low Speed GMLAN Serial Data	23	0.35	GN	5060	VII	-
24	0.5	GY/OG	3946	I	-	Passenger Automatic Locking Retractor Switch Low Reference	24	0.5	GY/OG	3946	VII	-
25	0.5	OG/BN	3947	I	-	Passenger Automatic Locking Retractor Switch Signal	25	0.5	OG/BN	3947	VII	-
26	0.5	BK/WH	2551	I	-	Signal Ground	26	0.5	BK/WH	2551	VII	-
27	0.75	RD/GN	5140	II	-	Battery Positive Voltage	27	0.5	RD/GN	5140	VIII	-
28	-	-	-	-	-	Not Occupied	28	-	-	-	-	-
29	0.75	RD/YE	8840	IV	-	Battery Positive Voltage	29	0.75	RD/YE	8840	VI	-
30 - 31	-	-	-	-	-	Not Occupied	30 - 31	-	-	-	-	-
32	0.35	OG/VT	1362	I	-	Passenger Seat Belt Switch Signal	32	0.35	OG/VT	1362	VII	-
33	0.5	BK/OG	1361	I	-	Passenger Seat Belt Switch Low Reference	33	0.35	BK/OG	1361	VII	-
34	-	-	-	-	-	Not Occupied	34	-	-	-	-	-
35	0.5	OG/GY	3066	V	-	Passenger Seat Side Air Bag High Control	35	0.35	OG/GY	3066	VII	-
36	0.5	BN/OG	3067	V	-	Passenger Seat Side Air Bag Low Control	36	0.35	BN/OG	3067	VII	-
37 - 55	-	-	-	-	-	Not Occupied	37 - 55	-	-	-	-	-