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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1860 (WIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER IDENTIFICATION, COMPONENT CONNECTOR & SPLICE PACK CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSFUEL PUMP FLOW CONTROL MODULE (5.3L)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Fuel Pump Flow Control Module (5.3L)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Fuel Pump Flow Control Module (5.3L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Pump Flow Control Module (5.3L) - Connector End View
GM1711002Courtesy of GENERAL MOTORS CORP.
Fuel Pump Flow Control Module (5.3L)

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 Line Pressure Sensor Signal
11-12 - - Not Used
13 0.35 D-GN/WH 465 Fuel Pump Relay Control - Primary
14 - - Not Used
15 0.5 PK 2739 Ignition Voltage
16 2 PK 1580 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 1940 Battery Positive Voltage
33-35 - - Not Used
36 0.5 BN 7445 5-Volt Reference
37-43 - - Not Used
44 0.5 BK 1350 Ground
45-46 - - Not Used
47 2 GY 120 Fuel Pump Control
Connector Part Information 
  • OEM: 13570966
  • Service: See Catalog
  • Description: 47-Way F ASG Series Sealed (BK)
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, 15, 17, 21, 22, 36, 44, 13
  • Terminal/Tray: 7116-3703-02
  • Core/Insulation Crimp: Pins 5-7, 10, 15, 17, 21, 22, 36, 44 - See Terminal Repair Kit
  • Core/Insulation Crimp: Pins 13 - 9/9
  • Release Tool/Test Probe: See Terminal Repair Kit
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.