Fuse Block - Underhood X5

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuse Block - Underhood X5 Connector End Views

Courtesy of GENERAL MOTORS COMPANY

Pin	Wire	Circuit	Function
A1	-	-	Not Used
A2	0.5 L-BU/WH	6311	Brake Switch Signal
A3-A8	-	-	Not Used
B1	0.35 L-BU/WH	6311	Brake Switch Signal
B1	0.35 L-BU/WH	6311	Brake Switch Signal
B2	0.5 RD/WH	740	Battery Positive Voltage (except HP2)
B3	1 RD/WH	340	Battery Positive Voltage
B3	0.5 RD/WH	340	Battery Positive Voltage (without Y91)
B4	0.5 RD/WH	2640	Battery Positive Voltage (ULT, 7X6 or EXP)
B4	0.8 RD/WH	2640	Battery Positive Voltage (ULT with T89)
B5	-	-	Not Used
C1-C3	-	-	Not Used
C4	0.35 OG	300	Ignition Voltage
C5	0.35 OG	300	Ignition Voltage
C6	0.35 OG	300	Ignition Voltage (ULT)
C7	-	-	Not Used
C8	0.35 D-BU	45	Park Lamp Relay Control
D1	0.35 RD/WH	540	Battery Positive Voltage
D2	0.35 RD/WH	3340	Battery Positive Voltage
D3	-	-	Not Used
D4	0.35 BN	141	Ignition Voltage (KA9)
D5	-	-	Not Used
E1	-	-	Not Used
E2	3 RD/BK	1242	Battery Positive Voltage (E61)
F1	3 RD/BK	1342	Battery Positive Voltage (NP0 or NQH)
F1	3 RD/BK	1342	Battery Positive Voltage (NP0 or NQH)
F2	5 RD/BK	42	Battery Positive Voltage
G1	1 BK	550	Ground
G2	0.35 PK	1139	Ignition Voltage
G3	0.35 PK	239	Ignition Voltage
G4	0.35 PK	1639	Ignition Voltage
G4	0.35 PK	1639	Ignition Voltage (without KA9)
G5	0.35 PK	739	Ignition Voltage
G5	0.35 PK	739	Ignition Voltage (10 Series)
H1	0.35 OG	5186	Left Trailer Turn Signal Lamp
H2	0.35 YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage (EXP)
H3	0.35 YE	5187	Right Trailer Turn Signal Lamp
H4	0.35 D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage (EXP)
H5	0.35 YE	5199	Run/Crank Relay Coil Control
H6-H7	-	-	Not Used
H8	0.5 D-BU	38	Backup Lamp Relay Control
J1	1 PU	92	Windshield Wiper Motor High Speed Control
J2	1 D-GN	95	Windshield Washer Switch Signal
J3	1 L-BU	6128	Rear Closure Unlatch Motor Unlatch Control (E52)
J4	-	-	Not Used
J5	0.35 PK	839	Ignition Voltage
K1	0.35 TN	860	Front Windshield Wiper Switch High Signal
K2	-	-	Not Used
K3	0.35 GY	91	Windshield Wiper Switch Signal 2
K4	0.35 D-GN	5706	Endgate Latch Relay Supply Voltage (E52)
K5	1 L-BU	20	Stop Lamp Supply Voltage/Stop Lamp Switch Signal
K6-K7	-	-	Not Used
K8	0.35 YE	5704	Endgate Latch Relay Coil Control (E52)

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 13513345
Service Connector: 19115658
Description: 56-Way F GT 150 280 Metri-Pack 800 Series (GY)

Terminal Part Information

Pins: B3 (without Y91)
Terminated Lead: Service by Harness - See Part Catalog
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 13525969/4
Core/Insulation Crimp: 4/4

Pins: E2, F2
Terminated Lead: 13575718
Release Tool: J-38125-558
Diagnostic Test Probe: J-35616-44 (YE)
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G

Pins: B1, B2, B3 (Y91), B4, D1, D2, G1-G5, J1-J3, J5
Terminated Lead: Service by Harness - See Part Catalog
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins B2-B4, D1, D2, G1 (Z75), G2, G3, G4 (KA9), G5 (20 Series), J1-J2 (Z75), J3, J5: E/A
Core/Insulation Crimp: Pins B1, G1 (except Z75), G4 (without KA9), G5 (10 Series), J1-J2 (except Z75): 2/A

Pins: A2, C4-C6, C8, H1-H5, H8, K1, K3-K5, K8
Terminated Lead: 13575790
Terminated Lead: Pins K5 - 13575790
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-2A (GY)
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A2, C4-C6, C8, H1-H5, H8, K1, K3, K4, K8: E/A
Core/Insulation Crimp: Pins K5: 2/A

Pins: F1
Terminated Lead: 13575718
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-44 (YE)
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G