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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 417 (COMPONENT LOCATIONS & COMPONENT CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) X3
2008 Pontiac Grand Prix Base

Body Control Module (BCM) X3

2008 Pontiac Grand Prix BaseSECTION Body Control Module (BCM) X3
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X3 Connector End View
GM1243603Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X3

Pin Wire Circuit Function
1-3 - - Not Used
4 0.35 L-BU/WH 1414 Left Turn Signal Switch Signal
5 0.35 L-BU 1714 Windshield Washer Switch Low Signal
6 0.35 D-BU/WH 658 Cruise Control Switch Signal
7 0.35 WH 103 Headlamp Switch Headlamps On Signal
8 0.35 BN/WH 301 Park Lamp Switch On Signal
9 - - Not Used
10 0.35 L-BU 1872 Exterior Lamps Off Input
11 0.35 OG 192 Front Fog Lamp Switch Signal
12 0.35 PU 524 Headlamp Dimmer Switch High Beam Signal
13 0.35 PK 94 Windshield Washer Switch Signal
14 0.35 BN 1356 Flash To Pass Switch Signal
15 0.35 BK/WH 1251 Ground
16 0.35 TN 2144 Hazard Switch Signal
17 0.35 D-BU/WH 1415 Right Turn Signal Switch Signal
18 0.35 L-GN 1715 Windshield Washer Switch High Signal
Connector Part Information 
  • OEM: 638397-1
  • Service: 88988876
  • Description: 18-Way F Unsealed (BK)
Terminal Part Information 
  • Pins: 4-8, 10-18
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
RENDER: 1.0x

NO RELATED

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

  • • You smell fuel, burning insulation, or see smoke.
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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.