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Home >> Cadillac >> 2014 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Wiring Systems And Power Management - Component Connector End Views - 1-2 Shift Solenoid To Drive Motor Battery Control Module (X3)) >> Component Connector End Views >> Body Control Module (BCM) X3
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Body Control Module (BCM) X3

WARNING: This page is about a different car, the 2014 GMC Sierra 3500 HD, 2014 GMC Sierra 2500 HD, 2014 Chevrolet Silverado 3500 HD, and 2014 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GM1664498Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 15482791
  • Service Connector: 88988840
  • Description: 25-Way F HIT Series (L-BU)
Terminal Part Information
  • Pins: 1-3, 5
  • Terminated Lead: 13327199
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: Pins: 1-3, 5 (MEX) - E/A
  • Core/Insulation Crimp: Pin: 5 (except MEX) - C/A
  • Pins: 7-15, 16-19, 21, 22, 25
  • Terminated Lead: 13575870
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
Body Control Module (BCM) X3

Pin Wire Circuit Function
1 0.8 BK/WH 1851 Ground (MEX)
2 0.8 RD/WH 2140 Battery Positive Voltage (except HP2 or except 8S8)
0.5 RD/WH 2140 Battery positive Voltage (HP2 or 8S8)
3 0.5 RD/WH 3840 Battery Positive Voltage
4 - - Not Used
5 0.8 BK/WH 1851 Ground (MEX)
1 BK/WH 1851 Ground (except MEX)
6 - - Not Used
7 0.5 GY 728 Security Indicator Control (SPO Alarm)
8 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
9 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
10 0.35 D-GN 5060 Low Speed GMLAN Serial Data
11 0.35 D-GN 44 Instrument Panel Lamp Dimmer Switch Signal
12 0.35 OG/WH 812 12-Volt Reference
13 0.35 L-GN 526 Stop Lamp Switch Signal
14 0.35 TN 552 Sensor Low Reference
15 0.35 GY 598 5 Volt Reference
16 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
17 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
18 0.35 YE 6817 LED Backlight Dimming Control
19 0.35 L-BU 5986 Serial Data Communication Enable (except MEX)
20 - - Not Used
21 0.35 OG 192 Front Fog Lamp Switch Signal/Fog Lamps Enable (T96)
22 0.35 L-GN/WH 7158 Cruise Control Indicator Dimming Signal (except MEX)
23-24 - - Not Used
25 0.35 PU/WH 6816 Indicator Dimming Control (except MEX)
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