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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 273 (COMPONENT LOCATIONS & CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSFUEL SYSTEM CONTROL MODULE (FSCM)
2008 Pontiac Grand Prix Base

Fuel System Control Module (FSCM)

2008 Pontiac Grand Prix BaseSECTION Fuel System Control Module (FSCM)
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel System Control Module (FSCM) Connector End View
GM1858233Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: ASGPB-47L2A-K
  • Service: See Catalog
  • Description: 47-Way 0.64 Series, Sealed
Terminal Part Information 
  • Pins: 1, 16, 32, 47
  • Terminal/Tray: 15476168/5
  • Core/Insulation Crimp: F/3
  • Release Tool/Test Probe: 15315247/J-35616-42 (RD)
  • Pins: 5-7, 10, 13, 15, 17, 21, 22, 36, 44
  • Terminal/Tray: 7116-3703-02
  • Core/Insulation Crimp: 9/9
  • Release Tool/Test Probe: See Terminal Repair Kit
Pin Wire Circuit Function
1 2 BK 2150 Ground
2-4 - - Not Used
5 0.5 GY 7447 Low Reference
6 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
8-9 - - Not Used
10 0.5 PU 7446 Fuel Pressure Sensor Signal
11-12 - - Not Used
13 0.5 D-GN/WH 465 Fuel Pump Relay Control - Primary
14 - - Not Used
15 0.5 PK 439 Ignition 1 Voltage
16 2 PK 1580 Fuel Pump Motor Low Reference
17 0.5 L-BU 5986 Serial Data Communication Enable
18-20 - - Not Used
21 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
22 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
23-31 - - Not Used
32 2 RD/WH 3440 Battery Positive Voltage
33-35 - - Not Used
36 0.5 BN 7445 5-Volt Reference
37-43 - - Not Used
44 0.5 GY 7443 Drain Wire
45-46 - - Not Used
47 2 GY 120 Fuel Pump Supply Voltage
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.