Fuse Block - Underhood X4

Fig 1: Fuse Block - Underhood X4 Connector End Views

Courtesy of GENERAL MOTORS COMPANY

Pin	Wire	Circuit	Function
A1	0.5 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
A2	-	-	Not Used
A3	0.5 OG	2268	Windshield Washer Relay Control
A4-A6	-	-	Not Used
A7	0.35 WH	193	Rear Defog Relay Control
A8	-	-	Not Used
B1-B4	-	-	Not Used
B5	3 PU	293	Rear Defog Element Supply Voltage
C1	0.8 D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
C2	0.35 D-GN/WH	1317	Fog Lamp Relay Control (T96)
C3	0.35 TN/WH	1969	Headlamp High Beam Relay Control
C4-C8	-	-	Not Used
D1-D3	-	-	Not Used
D4	0.5 RD/WH	4440	Battery Positive Voltage
D5	-	-	Not Used
E1	5 RD/BK	842	Battery Positive Voltage
E2	5 RD/BK	642	Battery Positive Voltage (E61)
F1	3 RD/BK	1142	Battery Positive Voltage (BRS)
F2	5 RD/BK	542	Battery Positive Voltage
G1	0.35 TN	28	Horn Relay Control
G2	3 RD/WH	2340	Battery Positive Voltage
G3	3 RD/WH	3740	Battery Positive Voltage (UQA or UQS)
G4	-	-	Not Used
G5	0.8 RD/WH	4540	Battery Positive Voltage
H1	0.5 BN	2509	Left Rear Park Lamps Supply Voltage (E52)
H2-H3	-	-	Not Used
H4	0.35 L-GN/BK	592	Daytime Running Lamps (DRL) Relay Control (T61)
H5	0.5 D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (X88 or Z88 or EXP with E52)
H5	1 D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (X88 without E52 or Z75 without EXP)
H6-H8	-	-	Not Used
J1	3 RD/WH	3140	Battery Positive Voltage (with CF5 or with TRW)
J2-J3	-	-	Not Used
J4	0.35 RD/WH	2840	Battery Positive Voltage
J4	0.35 RD/WH	2840	Battery Positive Voltage
J5	0.8 RD/WH	640	Battery Positive Voltage
J5	0.8 RD/WH	640	Battery Positive Voltage
K1	0.35 L-GN	2270	Rear Window Washer Relay Control
K2	0.35 PK/WH	1970	Headlamp Low Beam Relay Control
K3-K4	-	-	Not Used
K5	0.5 YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (X88 or Z88 or EXP with E52)
K5	0.5 YE	18	Left Rear Stop/Turn Lamp Supply Voltage (X88 without E52 or Z75 without EXP)
K6-K8	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 13513329
Service Connector: 19115656
Description: 56-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: E1, E2, F1, 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: D4, G1, G5, J4
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 G1(VD1), G5, J4 - 2/A
Core/Insulation Crimp: Pins D4, G1(except VD1) - E/A

Pins: B5, G2, G3, J1, J5
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: Pins B5, G2, G3, J1 - F/D
Core/Insulation Crimp: J5 - 4/4

Pins: A1, A3, A7, C1-C3, H1, H4, H5, K1, K2, K5
Terminated Lead: 13575790
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-2A (GY)
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A1, A3, A7, C2, C3, H1, H4, K1, K2, K5 - E/A
Core/Insulation Crimp: Pins C1, H5 - 2/A