Junction Block- Left I/P X3

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Fig 1: Junction Block- Left I/P X3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
2	0.8 BK	1050	Ground (HP2)
3	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
4	0.35 YE	6817	LED Backlight Dimming Control (with UK6, without STZ or Y91)
5	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
6	3 RD/WH	3740	Battery Positive Voltage (UQA or UQS)
7	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
8	0.5 RD/WH	3740	Battery Positive Voltage (with UQA, without STZ or Y91)

Connector Part Information

Harness Type:Instrument Panel (STZ or Y91)
Harness Type: I/P Extension (without STZ or Y91)
OEM Connector: 13516840
Service Connector: 19149295
Description: 8-Way F GT 280 Series (GN)

Terminal Part Information

Terminated Lead: Pins 1-3, 5, 7: Service by Terminal - 13525970
Terminated Lead: Pins 6: Service by Termiinal - 13525969
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: Pins 1-3, 5, 7- 13525970/4
Terminal/Tray: Pins 6- 13525969/4
Core/Insulation Crimp: Pins 1, 3, 5, 7- E/A
Core/Insulation Crimp: Pins 2- 2/A
Core/Insulation Crimp: Pins 6- F/D