Glow Plug Control Module (GPCM) X2 (Diesel)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Glow Plug Control Module (GPCM) X2 (Diesel) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	2 RD/WH	HB13	Glow Plug 3 Supply Voltage
2	2 WH/GN	HB12	Glow Plug 2 Supply Voltage
3	2 RD/GN	HB11	Glow Plug 1 Supply Voltage
4	2 WH/YE	HB14	Glow Plug 4 Supply Voltage
5	-	-	Not Used
6	2 WH/RD	HB18	Glow Plug 8 Supply Voltage
7	2 RD/L-GN	HB15	Glow Plug 5 Supply Voltage
8	2 WH/L-GN	HB16	Glow Plug 6 Supply Voltage
9	2 PK	HB17	Glow Plug 7 Supply Voltage
10-25	-	-	Not Used
26	0.75 YE	IC182	IAH Command 2
27	0.75 RD	IC185	IAH Feedback Signal
28	0.75 BK	IC180	IAH Temperature Signal
29	0.75 PK	IC183	IAH Current Signal
30	0.75 TN	IC184	IAH Voltage Signal
31	1 OG	IC181	IAH Command 1
32-42	-	-	Not Used
43	0.75 TN	HB01	High Speed GMLAN Serial Data Bus (-)
44	0.75 TN/BK	HB20	High Speed GMLAN Serial Data Bus (+)
45	0.75 TN	HB05	High Speed GMLAN Serial Data Bus (-)
46	0.75 TN/BK	HB06	High Speed GMLAN Serial Data Bus (+)
47-50	-	-	Not Used
51	0.75 RD	HB03	Ground
52	0.75 PK	HB02	Ignition 1 Voltage
53	1 D-BU	HB04	Accessory Wakeup Serial Data

Connector Part Information

OEM: 897386 6110
Service: See Catalog
Description: 53-Way F Sealed (BK)

Terminal Part Information

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