Junction Block - Left I/P X5 (SPO Alarm or SPO Heated Seats)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 X5 (SPO Alarm or SPO Heated Seats)

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A-B	-	-	Not Used
C	0.35 D-GN	5060	Low Speed GMLAN Serial Data (SPO Heated Seats)
D	0.5 RD/WH	4540	Battery Positive Voltage (SPO Alarm)

Connector Part Information

Harness: SPO Theft
OEM: 12194033
Service: Service by Harness - See Part Catalog
Description: 4-Way F Metri-Pack 280 Series (CM)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit