Fuse Block - I/P X4

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Fig 1: Junction Block - Right I/P X3 Connector End Views

Courtesy of GENERAL MOTORS COMPANY

Fuse Block - I/P X4

Pin	Wire	Circuit	Function
A1	2 RD/WH	1240	Battery Positive Voltage
A2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
A3-A4	-	-	Not Used
A5	0.35 PK	1691	Low Reference (DL3 or DR4)
A6-A7	-	-	Not Used
B1	3 BK	1850	Ground
B2	0.5 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (DL3 or DPN)
B3	0.5 D-GN	5060	Low Speed GMLAN Serial Data
B4	0.8 RD/WH	140	Battery Positive Voltage
B5	0.5 GY	118	Left Front Speaker Output (-) (UQ3)
B5	0.8 GY	118	Left Front Speaker Output (-) (UQA/UQS)
B6	0.5 TN	201	Left Front Speaker Output (+) (UQ3)
B6	0.8 TN	201	Left Front Speaker Output (+) (UQA/UQS)
B7	0.35 GY	1690	Automatic Day/Night Mirror Signal (DL3 or DR4)

Connector Part Information

Harness Type: Driver Door
OEM Connector: 15467622
Service Connector: 19115664
Description: 14-Way F GT 150 280 Series (L-GY)

Terminal Part Information

Pins: A1, B1
Terminated Lead: Pins A1 - 13575754
Terminated Lead: Pins B1 - 13575754 or 13575756
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 15304713/19
Core/Insulation Crimp: Pins A1 - 4/4
Core/Insulation Crimp: Pins B1 - F/D

Pins: A2, A5, B2, B5, B6
Terminated Lead: 13575735
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-2A (GY)
Terminal/Tray: 12191812/19
Core/Insulation Crimp: Pins A2, B2, B5 (UQ3), B6 (UQ3) - E/C
Core/Insulation Crimp: Pins B5 (UQA or UQS), B6 (UQA or UQS) - C/A

Pins: B4, B7
Terminated Lead: 13575753
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins B4 - 2/A
Core/Insulation Crimp: Pins B7 - E/A