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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1008 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 2 OF 5)DRIVER DOOR MODULE (DDM) - X2
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Driver Door Module (DDM) - X2

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Driver Door Module (DDM) - X2
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Driver Door Module (DDM) - X2 Connector End View
GM750205Courtesy of GENERAL MOTORS CORP.
Driver Door Module (DDM) - X2

Pin Wire Circuit Function
1 - - Not Used
2 0.35 GY/BK 745 Left Front Door Ajar Switch Signal
3 - - Not Used
4 0.35 L-GN 262 Driver Door Key Switch Signal
5-6 - - Not Used
7 0.35 YE 1491 Backlight Lamp Control
8 0.35 L-BU/WH 6576 Driver Door Courtesy Lamp Control Low
9 0.35 PU/WH 5754 Amplifier Powered Woofer Control (1)
10 0.35 PK 1691 Automatic Day/Night Mirror Low Reference
11 - - Not Used
12 0.35 TN 126 Left Front Door Open Switch Signal
13 - - Not Used
14 0.35 YE/BK 6859 Power Window Status
15-16 - - Not Used
17 0.35 D-BU 5882 Left Front Door Handle Switch Signal (2)
18-19 - - Not Used
20 0.35 GY 1690 Automatic Day/Night Mirror Signal
Connector Part Information 
  • OEM: 1740472
  • Service: 12162820
  • Description: 20-Way M Hinged Lock (BK)
Terminal Part Information 
  • Terminal/Tray: 173681-2/17
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)
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.