X321 Front Driver Seat Wiring Harness to Body Wiring Harness

WARNING: This page is about a different car, the 2022 Cadillac CT5. 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: Front Driver Seat Wiring Harness OEM Connector: E20401100 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: 35205190 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-35616-42 (RD)	No Tool Required
III	Not required	No Tool Required	No Tool Required
IV	84847992	J-35616-32 (OG)	J-38125-36
V	84867140	J-35616-13 (BU)	J-38125-215A
VI	84867141	J-35616-13 (BU)	J-38125-215A

Pin	Size	Color	Circuit	Terminal Type ID	Option	Function	Pin	Size	Color	Circuit	Terminal Type ID	Option
1	2.5	BK	2150	II	-	Ground	1	2.5	BK	2150	IV	-
2	-	-	-	-	-	Driver Seat Memory Control Module LIN Bus 2	2	1	BK	9000	VI	-
3	0.35	GN / WH	7530	I	-	Driver Seat Adjuster Memory Module LIN Bus 1	3	0.5	GN / WH	7530	V	-
4	0.5 0.75	RD / WH RD / WH	2040 2040	I I	A45 AL9-A45	Battery Positive Voltage Battery Positive Voltage	4	0.5	RD / WH	2040	V	-
5	0.35	WH	615	I	-	Seat Memory Switch Signal 1	5	0.35	WH	615	V	-
6	0.35	BU / GN	614	I	-	Seat Memory Switch Set Signal	6	0.35	BU / GN	614	V	-
7 - 9	-	-	-	-	-	Not Occupied	7 - 9	-	-	-	-	-
10	0.5	BK / YE	2080	I	-	Driver Heated Seat Thermistor Low Reference	10	0.5	BK / YE	2080	V	-
11	0.5	YE / GY	2079	I	-	Driver Seat Heating Temperature Sensor Signal	11	0.5	YE / GY	2079	V	-
12	0.75	GN / GY	3758	I	-	Driver Seat Adjuster Memory Module LIN Bus 2	12	1	BK	9000	VI	-
13	2.5	RD / YE	5040	II	-	Battery Positive Voltage	13	2.5	RD / YE	5040	IV	-
14	-	-	-	-	-	Not Occupied	14	-	-	-	-	-
15	0.75	BN / VT	2077	I	-	Driver Seat Heating Element Control	15	0.75	BN / VT	2077	V	-
16	0.75	BN / BK	2078	I	-	Driver Seat Heating Element Low Reference	16	0.75	BN / BK	2078	V	-
17	-	-	-	-	-	Not Occupied	17	-	-	-	-	-
18	0.5	BU	2425	I	-	Driver Seat Back Heating Temperature Sensor Signal	18	0.5	BU	2425	V	-
19	-	-	-	-	-	Not Occupied	19	-	-	-	-	-
20	0.5	GN / VT	5906	I	-	Driver Seat Blower Motor Control 1	20	0.5	GN / VT	5906	V	-
21	0.5	VT / GY	539	I	-	Run/Crank Ignition 1 Voltage	21	0.5	VT / GY	539	V	-
22	0.5	YE / BN	3037	I	-	Driver Seat Left Rear Haptic Movement Motor Control	22	0.35	YE / BN	3037	V	-
23	0.5	BN	3038	I	-	Driver Seat Right Rear Haptic Movement Motor Control	23	0.35	BN	3038	V	-
24	-	-	-	-	-	Not Occupied	24	-	-	-	-	-
25	0.35	BU / VT	4101	I	-	AUTOSAR CAN Bus [+] 4 Serial Data	25	0.5 0.35	BU / VT BU / VT	4101 4101	V V	A45 A45-AHH-AKE-UKL
26	0.35	WH	4100	I	-	AUTOSAR CAN Bus [-] 4 Serial Data	26	0.5 0.35	WH WH	4100 4100	V V	A45 A45-AHH-AKE-UKL
27 - 31	-	-	-	-	-	Not Occupied	27 - 31	-	-	-	-	-
32	0.5	OG / BN	238	I	-	Driver Seat Belt Switch Signal	32	0.5	OG / BN	238	V	-
33	0.5	BK / OG	1363	I	-	Driver Seat Belt Switch Low Reference	33	0.5	BK / OG	1363	V	-
34	-	-	-	-	-	Not Occupied	34	-	-	-	-	-
35	0.5	OG / BU	4962	III	-	Driver Seat Back Air Bag High Control	35	0.5	OG / BU	4962	V	-
36	0.5	BK / OG	4963	III	-	Driver Seat Back Air Bag Low Control	36	0.5	BK / OG	4963	V	-
37 - 38	-	-	-	-	-	Not Occupied	37 - 38	-	-	-	-	-
39	0.5	YE / BU	4783	I	-	Rear Footwell Accent Lighting Control	39	0.5	YE / BU	4783	V	-
40 - 45	-	-	-	-	-	Not Occupied	40 - 45	-	-	-	-	-
46	0.35	BU / VT	4101	I	-	AUTOSAR CAN Bus [+] 4 Serial Data	46	0.35	BU / VT	4101	V	-
47	0.35	WH	4100	I	-	AUTOSAR CAN Bus [-] 4 Serial Data	47	0.35	WH	4100	V	-
48	-	-	-	-	-	Not Occupied	48	-	-	-	-	-
49	0.5	GY	157	I	-	Interior Lamp Control	49	0.5	GY	157	V	-
50 - 55	-	-	-	-	-	Not Occupied	50 - 55	-	-	-	-	-