Junction Block - Right I/P X1 (Wire Entry)

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Fig 1: Junction Block -- Right I/P X1 (Wire Entry) Connector End View

Courtesy of GENERAL MOTORS COMPANY

Pin	Wire	Circuit	Function
2A1	0.5 RD/WH	1540	Battery Positive Voltage (U42 or DNU)
2A2-2A6	-	-	Not Used
2A7	3 BK	1050	Ground Bus
2B1	3 RD/WH	3140	Battery Positive Voltage (CF5 or TRW)
2B2	-	-	Not Used
2B3	0.35 YE	43	Accessory Voltage (CF5)
2B4	0.5 BN/WH	230	Instrument Panel Lamp Dimming Control (CF5)
2B5-2B6	-	-	Not Used
2B7	0.35 OG	300	Ignition 3 Voltage (EXP with CF5)
3A1	0.8 D-GN	117	Right Front Speaker Output (-)
3A2	0.8 L-GN	200	Right Front Speaker Output (+)
3A3	-	-	Not Used
3A4	0.8 D-BU/WH	1315	Right Front Turn Signal Lamp Control (with DL3 or with DPN)
3A4	0.8 D-BU/WH	1315	Right Front Turn Signal Lamp Control (with DL3 or with DPN)
3A5-3A6	-	-	Not Used
3A7	3 BK	1050	Ground
3B1	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3B2	0.8 RD/WH	240	Battery Positive Voltage
3B3	-	-	Not Used
3B4	2 RD/WH	1340	Battery Positive Voltage
3B5-3B7	-	-	Not Used
4A1	0.35 GY	598	5-Volt Reference
4A2	0.35 TN	520	Lower Right Air Temperature Sensor Signal (CJ2)
4A3	0.35 TN	518	Lower Left Air Temperature Sensor Signal (CJ2)
4A4	0.35 YE	1791	Low Reference
4A5	0.35 PU	1838	Recirculation Door Position Signal (CJ2)
4A6	0.35 GY/BK	754	Blower Motor Speed Control
4A7	-	-	Ground Bus
4B1	-	-	5-Volt Reference Bus
4B2	0.35 D-BU	1199	Air Temperature Door Control
4B3	0.35 TN	2273	Mode Door Control
4B4	-	-	Not Used
4B5	0.35 YE/BK	713	Defrost/Heater Mode Valve Position Sensor Signal
4B6	0.35 L-BU	733	Air Temperature Door Position Signal
4B7	0.35 WH	2622	(except HP2)
5A	0.5 D-GN	6101	Low Reference
5B	0.35 PK	839	Ignition Voltage
5B	0.35 PK	839	Ignition Voltage
5C	0.35 PK	839	Ignition Voltage
5D	0.35 D-BU	1646	Auxiliary Air Temperature Door Position Signal
5E	0.35 WH/BK	1236	Auxiliary Air Temperature Door Control
5F	0.35 D-GN	1614	Recirculation Door Control
6A	0.5 RD/BK	542	Battery Positive Voltage
6B	3 BK	1050	Ground
6B	3 BK	1050	Ground

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 13685107
Service Connector: Service by Component Assembly - See Part Catalog
Description: 48-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: 2A1, 2B4, 3A1, 3B1, 4B7, 5A, 5C-5F
Terminated Lead: 13575507
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-5 (PU)
Terminal/Tray: Pins 2A1, 2B4, 3B1, 4B7, 5A, 5C-5F - 15304722/8
Terminal/Tray: Pins 3A1 - 15304724/8
Core/Insulation Crimp: Pins 2A1, 2B4, 3B1, 4B7, 5A, 5C-5F - E/C
Core/Insulation Crimp: Pins 3A1 - 2/A

Pins: 2A7, 2B1, 3A7, 3B4
Terminated Lead: 13575510
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-5 (PU)
Terminal/Tray: 15304724/8
Core/Insulation Crimp: Pins 3B4 - C/D
Core/Insulation Crimp: Pins 2A7, 2B1, 3A7 - A/D

Pins: 2B3, 3A4, 4A2-4A6, 4B2, 4B3, 4B5, 4B6
Terminated Lead: 13575502
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-3 (GY)
Terminal/Tray: 15304702/19
Core/Insulation Crimp: Pins 2B3, 4A2-4A6, 4B2, 4B3, 4B5, 4B6 - E/C
Core/Insulation Crimp: Pins 3A4 - C/D

Pins: 2B7, 3A4, 5B
Terminated Lead: 13575510
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-5 (PU)
Terminal/Tray: 15304724/8
Core/Insulation Crimp: Pins 2B7, 5B - 2/A
Core/Insulation Crimp: Pins 3A4 - C/D

Pins: 4A1, 4A4
Terminated Lead: Service by Harness - See Part Catalog
Release Tool: Not Available
Diagnostic Test Probe: Not Available
Terminal/Tray: 15489492/Not Available
Core/Insulation Crimp: Not Available

Pins: 6A, 6B
Terminated Lead: 12066493
Release Tool: J-38125-11A
Diagnostic Test Probe: J-35616-43 (RD)
Terminal/Tray: 12066493/3
Core/Insulation Crimp: Pins 6A - B/G
Core/Insulation Crimp: Pins 6B - B/G