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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L (LLY) - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connectors >> Glow Plug Control Module (GPCM) - C2

Glow Plug Control Module (GPCM) - C2

Fig 1: Glow Plug Control Module (GPCM) - C2 Connector End View
GM1576764Courtesy of GENERAL MOTORS CORP.
Glow Plug Control Module (GPCM) - C2 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: DOC00056511
  • 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
Glow Plug Control Module (GPCM) - C2 Terminal Identification

Pin Wire Color Circuit No. Function
1 OG/BK HB13 Glow Plug 3 Supply Voltage
2 WH/D-GN HB12 Glow Plug 2 Supply Voltage
3 WH/RD HB11 Glow Plug 1 Supply Voltage
4 WH/YE HB14 Glow Plug 4 Supply Voltage
5 - - Not Used
6 WH/RD HB18 Glow Plug 8 Supply Voltage
7 OG HB15 Glow Plug 5 Supply Voltage
8 WH/L-GN HB16 Glow Plug 6 Supply Voltage
9 PK HB17 Glow Plug 7 Supply Voltage
10-25 - - Not Used
26 YE IC182 IAH Command 2
27 RD IC185 IAH Feedback Signal
28 BK IC180 IAH Temperature Signal
29 PK IC183 IAH Current Signal
30 TN IC184 IAH Voltage Signal
31 OG IC181 IAH Command 1
32-42 - - Not Used
43 TN 2501 High Speed GMLAN Serial Data Bus (-)
44 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
45 TN 2501 High Speed GMLAN Serial Data Bus (-)
46 TN/BK 2501 High Speed GMLAN Serial Data Bus (+)
47-50 - - Not Used
51 RD HB03 Ground
52 PK 439 Ignition 1 Voltage
53 WH 1020 Ignition 0 Voltage