X256 Dome Lamp Wiring Harness to Instrument Panel 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:Dome Lamp Wiring Harness OEM Connector: 35196713 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:Instrument Panel Wiring Harness OEM Connector: 35205189 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-35616-40 (BU)	No Tool Required
IV	84847992	J-35616-32 (OG)	J-38125-36
V	84867140	J-35616-13 (BU)	J-38125-215A
VI	84992391	J-35616-5 (PU)	J-38125-215A
VII	Not required	No Tool Required	No Tool Required

Pin	Size	Color	Circuit	Terminal Type ID	Option	Function	Pin	Size	Color	Circuit	Terminal Type ID	Option
1	2.5	BK	1050	III	-	Ground	1	2.5	BK	1050	IV	-
2	-	-	-	-	-	Not Occupied	2	-	-	-	-	-
3	0.35	BU/BK	7044	I	-	Microphone [-] Signal	3	0.35	BU/BK	7044	V	-
4	0.35	VT/YE	7043	I	-	Microphone [+] Signal	4	0.35	VT/YE	7043	V	-
5	0.35	BU	655	I	-	Cellular Telephone Microphone Signal	5	0.35	BU	655	V	-
6	0.35	BK/BN	654	I	-	Cellular Telephone Microphone Low Reference	6	0.35	BK/BN	654	V	-
7	0.35	BK	1782	I	-	Low Reference	7	0.35	BK	1782	V	-
8	0.35	WH/GY	3936	I	-	High Speed GMLAN Serial Data [-] 8	8	0.35	WH/BU	3936	V	-
9	0.35	BU/GY	3935	I	-	High Speed GMLAN Serial Data [+] 8	9	0.35	BU/OG	3935	V	-
10	0.35	GY	157	I	-	Interior Lamp Control	10	0.35	GY	157	V	-
11	0.35	BK/WH	1851	I	-	Signal Ground	11	0.5	BK/WH	1851	V	-
12 - 13	-	-	-	-	-	Not Occupied	12 - 13	-	-	-	-	-
14	2.5	RD/GN	3140	II	-	Battery Positive Voltage	14	2.5	RD/GN	3140	VI	-
15	0.5	WH/VT	1430	I	-	Exterior Courtesy Lamp Control	15	0.5	WH/VT	1430	V	-
16	0.35	WH/BU	5986	I	-	Serial Data Communication Enable	16	0.35	WH/BU	5986	V	-
17	0.35	BK/YE	1691	I	-	Automatic Day/Night Mirror Low Reference	17	0.35	BK/YE	1691	V	-
18	-	-	-	-	-	Not Occupied	18	-	-	-	-	-
19	0.5	WH/BN	6815	I	-	Inadvertent Load Control	19	0.5	WH/BN	6815	V	-
20	0.35	GN	2308	I	-	Passenger Air Bag Off Indicator Control	20	0.35	GN	2308	V	-
21	0.35	BU	2307	I	-	Passenger Air Bag On Indicator Control	21	0.35	BU	2307	V	-
22	0.35	YE/WH	1690	I	-	Mirror Dimming Signal	22	0.35	YE/WH	1690	V	-
23	0.35	WH	6192	I	-	Sliding Rear Window Switch Close Signal	23	0.35	WH	6192	V	-
24	0.35	GY	156	I	-	Courtesy Lamp Switch Signal	24	0.35	GY	156	V	-
25	0.35	GN	5060	I	-	Low Speed GMLAN Serial Data	25	0.35	GN	5060	V	-
26 - 29	-	-	-	-	-	Not Occupied	26 - 29	-	-	-	-	-
30	2.5	GN/BU	5989	II	-	Emergency Vehicle Lamp Relay Control	30	2.5	GN/BU	5989	VI	-
31	0.35	BN/WH	2517	I	-	Telematics Switch Red LED Indicator Control	31	0.35	BN/WH	2517	V	-
32	0.35	YE/VT	2516	I	-	Telematics Switch Green LED Indicator Control	32	0.35	YE/VT	2516	V	-
33	0.35	GN/WH	24	I	-	Backup Lamp Control	33	0.35	GN/WH	24	V	-
34	0.35	GY/GN	328	I	-	Interior Lamp Defeat Switch Signal	34	0.35	GY/GN	328	V	-
35	0.35	BU/GY	4672	I	-	Dome Lamp Off Indicator Control	35	0.35	BU/GY	4672	V	-
36	-	-	-	-	-	Not Occupied	36	-	-	-	-	-
37	0.35	GN/WH	2514	I	-	Telematics Switch Signal	37	0.35	GN/WH	2514	V	-
38	0.35	GN/BK	2515	I	-	Telematics Switch Supply Voltage	38	0.35	GN/BK	2515	V	-
39	0.5 0.5	VT/GY VT/WH	1054 5065	I I	UVO -UVO	Stop Lamp Control Stop Lamp Relay Coil Control	39	0.35 -	VT/GY VT/WH	1054 5065	V VII	- -
40	0.35	WH	3152	I	-	Lane Departure Warning Indicator Control	40	0.35	WH	3152	V	-
41	0.35	GY/WH	3153	I	-	Lane Departure Warning Disable Switch Signal	41	0.35	GY/WH	3153	V	-
42	0.35	YE	6817	I	-	LED Backlight Dimming Control 1	42	0.35	YE	6817	V	-
43 - 44	-	-	-	-	-	Not Occupied	43 - 44	-	-	-	-	-
45	0.35	WH	6816	I	-	Indicator Dimming Control	45	0.35	WH	6816	V	-
46	-	-	-	-	-	Not Occupied	46	-	-	-	-	-
47	0.35	VT/GN	7558	I	-	Front Footwell Accent Lighting Control	47	0.35	VT/GN	7558	V	-
48	0.35	VT/WH	5234	I	-	Passenger Seat Belt Indicator Control	48	0.35	VT/WH	5234	V	-
49	-	-	-	-	-	Not Occupied	49	-	-	-	-	-
50	0.35	GN/BN	6132	I	-	Body Control Module LIN Bus 1	50	0.35	GN/BN	6132	V	-
51	-	-	-	-	-	Not Occupied	51	-	-	-	-	-
52	0.35	YE/VT	6191	I	-	Power Rear Window Switch Open Signal	52	0.35	YE/VT	6191	V	-
53 - 55	-	-	-	-	-	Not Occupied	53 - 55	-	-	-	-	-