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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Computer/Integrating Systems) >> Component Locator >> Computer/Integrating Systems Connector End Views >> Body Control Module >> Body Control Module (BCM) C1
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Body Control Module (BCM) C1

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) C1 Connector End View
GM1664495Courtesy of GENERAL MOTORS CORP.
Computer/Integrating Systems Connector End Views

Connector Part Information 
  • OEM: HITPB-27-A-LM
  • Service: See Catalog
  • Description: 27-Way F (GN)
Terminal Part Information 
  • Pins: 2, 3, 4, 5, 6, 8, 9, 14, 15, 16, 17, 18, 19, 21, 24, 25, 26
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)
Body Control Module (BCM) C1

Pin Wire Color Circuit No. Function
1 - - Not Used
2 WH 1390 Off/Run/Crank Voltage
3 GY/PK 1884 Cruise Control Set/Coast/Resume/Accel Switch Signal
4 WH/BK 1073 Ignition Key Resistor Signal
5 L-GN 1715 Windshield Wiper Switch High Signal
6 D-BU 1796 Steering Column Radio Control Signal
7 - - Not Used
8 BK/WH 1251 Ground
9 L-BU 1714 Windshield Wiper Switch Low Signal
10-13 - - Not Used
14 PK 3 Ignition 1 Voltage
15 L-BU/WH 1414 Left Turn Signal Switch Signal
16 D-BU/WH 1415 Right Turn Signal Switch Signal
17 PU 1375 Remote Radio Control ACC Supply Voltage
18 PU/L-GN 524 Headlamp Switch High Beam Signal
19 TN 2144 Hazard Switch Signal
20 - - Not Used
21 BN 4 Accessory Voltage
22-23 - - Not Used
24 PK 94 Windshield Washer Switch Signal
25 YE 307 Flash to Pass Switch Signal
26 PU/WH 816 Brake Transmission Shift Interlock Solenoid Control (AN3)
27 - - Not Used
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