Junction Block - Left I/P X11 (except MEX)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Junction Block - Left I/P X11 (except MEX) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	3 RD/WH	1340	Battery Positive Voltage (Crew Cab with A3/HP21 or Extended Cab with ABV)
2	3 RD/WH	1440	Battery Positive Voltage (AG2/HP2)
3	-	-	Not Used
4	0.5 BN/WH	230	Instrument Panel Lamps Dimming Control (Crew Cab with A31)
4	0.5 BN/WH	230	Instrument Panel Lamps Dimming Control (Crew Cab with A31)
5	0.5 PK	1639	Ignition Voltage (SVA)
6	0.35 PK	1139	Ignition 1 Voltage
7	0.8 RD/WH	4440	Battery Positive Voltage (except AL0/HP2)
	0.5 RD/WH	4440	Battery Positive Voltage (AL0/HP2)
	0.5 RD/WH	4440	Battery Positive Voltage (AL0/HP2)
8	0.5 RD/WH	4440	Battery Positive Voltage (ASF)

Connector Part Information

OEM: 13516833
Service: 19115668
Description: 8-Way F GT 280 Series (L-GY)

Terminal Part Information

Pins: 1, 2
Terminal/Tray: 13525969/4
Core/Insulation Crimp: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 7 (except AL0/HP2)
Pins: 4, 6, 8
Terminal/Tray: 13525970/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 5
Terminal/Tray: 15304711/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 7 (AL0/HP2)
Terminal/Tray: 13525920/4
Core/Insulation Crimp: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)