X50A Fuse Block - Underhood X3

WARNING: This page is about a different car, the 2021 GMC Terrain and 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine Harness
OEM Connector: 13405622
Service Connector: 19332383
Description: 60 -Way F 1.5 CTS, 2.8 CTS, 6.3 MCP, 9.5 YPT Series (GY)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13579915	J-35616-40 (BU)	J-38125-556
II	13582285	J-35616-35 (VT)	J-38125-557
III	19332365	J-35616-14 (GN)	EL-38125-560A
IV	19332366	J-35616-35 (VT)	J-38125-212
V	Not Available	No Tool Required	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 2	-	-	-	Not Occupied	-	-
3	-	RD / WH	140	Battery Positive Voltage	V	-
4	-	-	-	Not Occupied	-	-
5	1	RD / VT	340	Battery Positive Voltage	IV	(MNK/MNH)-KL9
6 - 7	-	-	-	Not Occupied	-	-
8	0.5	VT / GN	439	Run/Crank Ignition 1 Voltage	II	-
9	-	-	-	Not Occupied	-	-
10	0.5	YE / BU	5126	Coolant Pump Control	IV	(LYX/LTG)+(MAH/MBC/MCX/EPH)
11	-	-	-	Not Occupied	-	-
12	0.5	GN / VT	4621	Engine Control Module LIN Bus 1	III	LTG+(VTI/KL9)-M3H
13 - 16	-	-	-	Not Occupied	-	-
17	0.5 0.5	GY / BK GY	3865 5127	Auxiliary Heater Coolant Pump Relay Control Turbocharger Coolant Pump Relay Control	III III	(LYX)+(MAH/MBC/MCX)+(E88) E80+LYX+(MAH/MBC/MCX)
18	0.5	YE	5991	Powertrain Relay Coil Control	III	LTG
19	-	-	-	Not Occupied	-	-
20	0.5	YE / VT	6030	Brake Vacuum Sensor Signal	III	KL9+LTG
21	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	III	LTG
22	0.5 0.5 0.5	BK / YE BK / GN BK / GN	548 580 580	Engine Control Sensors Low Reference 1 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2	III III III	(LYX)+(E88) E80+KL9+LYX KL9+LTG
23	0.5 0.5 0.5	WH / RD YE / RD YE / RD	480 6031 6031	Engine Control Vehicle Sensors 5 Volt Reference 1 Brake Vacuum Sensor 5V Reference Brake Vacuum Sensor 5V Reference	III III III	(LYX)+(E88) E80+KL9+LYX KL9+LTG
24	-	-	-	Not Occupied	-	-
25	0.5	WH / GY	459	A/C Compressor Clutch Relay Control	III	LTG
26 - 30	-	-	-	Not Occupied	-	-
31	2	VT / BU	5290	Powertrain Main Relay Fused Supply Voltage 1	I	LTG
32	-	-	-	Not Occupied	-	-
33	2.5 2.5	YE / GN YE / GN	4358 4358	Starter Pinion Solenoid Voltage Starter Pinion Solenoid Voltage	I I	(KL9+(LYX) KL9+LTG
34	2.5	YE	6	Starter Solenoid Crank Ignition Voltage	I	LTG
35	0.5 0.5	BK / GY WH / YE	626 3202	Engine Control Vehicle Sensors Low Reference 1 Throttle Inlet Absolute Pressure Sensor 5V Reference	III III	(LYX)+(E88) E80+LYX
36 - 37	-	-	-	Not Occupied	-	-
38	0.5	BU / GY	636	Ambient Air Temperature Sensor Signal	III	LTG
39	0.5 0.5 0.5	BU / RD BN / RD BN / RD	460 2700 2700	Engine Control Sensors 5 Volt Reference 1 A/C Pressure Sensor 5V Reference A/C Pressure Sensor 5V Reference	III III III	(LYX)+(E88) E80+LYX LTG
40	-	-	-	Not Occupied	-	-
41	0.5 - 0.5	BK BK / WH BK	450 151 450	Ground Signal Ground Ground	III V III	(KL9+(LYX) KL9 KL9+LTG
42	0.5 0.5	BK VT / BU	450 5293	Ground Powertrain Main Relay Fused Supply Voltage 4	III III	((LYX)-KL9)/((LYX)+(NUG)) (KL9+(LYX)-NUG)/(KL9+LTG)
43	0.5	YE / WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	III	-
44	0.5 0.5	WH / RD WH / RD	480 3201	Engine Control Vehicle Sensors 5 Volt Reference 1 Throttle Inlet Absolute Pressure Sensor 5V Reference	III III	(LYX)+(E88) E80+LYX
45	0.5	BK / GN	580	Engine Control Sensors Low Reference 2	III	LTG
46	0.5	RD / WH	140	Battery Positive Voltage	III	LTG
47	0.5	BK / GN	580	Engine Control Sensors Low Reference 2	III	LTG
48	-	-	-	Not Occupied	-	-
49	0.5	YE / BK	625	Starter Enable Relay Control	III	KL9+LTG
50	0.5 0.5	YE / VT YE / BK	4325 625	Starter Pinion Solenoid Actuator Relay Control Starter Enable Relay Control	III III	KL9+LTG LYX-KL9-NUG
51	0.5	VT	5292	Powertrain Main Relay Fused Supply Voltage 3	II	LTG
52	1	VT / BU	5291	Powertrain Main Relay Fused Supply Voltage 2	IV	-
53	1 1	VT VT / BU	5294 5294	Powertrain Main Relay Fused Supply Voltage 5 Powertrain Main Relay Fused Supply Voltage 5	IV IV	LTG/LYX+NTM LYX-NTM
54	0.5	VT / BU	5293	Powertrain Main Relay Fused Supply Voltage 4	II	-L3Z-LSQ-LSY
55 - 58	-	-	-	Not Occupied	-	-
59	0.75	BN / GN	59	A/C Compressor Clutch Control	IV	-
60	-	-	-	Not Occupied	-	-