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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSENGINE CONTROLS CONNECTOR END VIEWS (6.6L)GLOW PLUG CONTROL MODULE (GPCM) CONNECTOR END VIEWS
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V

Glow Plug Control Module (GPCM) Connector End Views

2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Glow Plug Control Module (GPCM) Connector End Views
Glow Plug Control Module (GPCM) C1

GM1366585Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15443870
  • 1-Way F Sealed (BK)
Pin Wire Color Circuit No. Function
1 RD 1 Battery Positive Voltage
Glow Plug Control Module (GPCM) C2

GM1576764Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • DOC00056511
  • 53-Way F Kostal, Sealed (BK)
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 PK 1020 Ignition 0 Voltage
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.