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Home >> GMC >> 2008 >> Yukon Base, 4.8 C >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Wiring Systems And Power Management - Component Connector End Views - Electronic Compass Module To Memory Seat Module (X4)) >> Component Connector End Views >> Inflatable Restraint Sensing and Diagnostic Module (SDM) X1
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Inflatable Restraint Sensing and Diagnostic Module (SDM) X1

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
GM2180230Courtesy of
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 13789034
  • Service Connector: 13580844
  • Description: 24-Way F Receptacle 0.64 Series, Sealed (YE)
Terminal Part Information
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: Not Available
  • Diagnostic Test Probe: J-35616-64B (LBU)
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
Inflatable Restraint Sensing and Diagnostic Module (SDM) X1

Pin Wire Circuit Function
1 0.5 WH 3023 Steering Wheel Module - Stage 2 - High Control
2 0.5 PK 3022 Steering Wheel Module - Stage 2 - Low Control
3 0.5 BN 3020 Steering Wheel Module - Stage 1 - Low Control
4 0.5 TN 3021 Steering Wheel Module - Stage 1 - High Control
5 0.5 YE 3025 I/P Module - Stage 1 - High Control
6 0.5 GY 3027 I/P Module - Stage 1 - Low Control
7 0.5 PU 3026 I/P Module - Stage 2 - Low Control
8 0.5 GY 3027 I/P Module - Stage 2 - High Control
9 0.5 RD/WH 4440 Battery Positive Voltage
10-14 - - Not Available
15 03.5 D-GN 5060 Low Speed GMLAN Serial Data
16 - - Not Available
17 0.35 PK 1139 Ignition Voltage
18 - - Not Available
19 0.5 BK/WH 2751 Ground
20-24 - - Not Available
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