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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 847 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC STEERING CONTROL MODULE X2 THROUGH MEMORY SEAT MODULE)COMPONENT CONNECTOR END VIEWSFUEL PUMP FLOW CONTROL MODULE (WITHOUT JL1)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Fuel Pump Flow Control Module (without JL1)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fuel Pump Flow Control Module (without JL1)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Pump Flow Control Module (without JL1) Connector End View
GM1711002Courtesy of GENERAL MOTORS CORP.
Fuel Pump Flow Control Module (without JL1)

Pin Wire Circuit Function
1 3 BK 2250 Ground
2-4 - - Not Available
5 0.5 GY 7447 Low Reference
6 0.5 TN 2501 High Speed GMLAN Serial Data -
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data +
8-9 - - Not Available
10 0.5 PU 7446 Fuel Line Pressure Sensor Signal
11-12 - - Not Available
13 0.5 D-GN/WH 465 Fuel Pump Control Module Enable
14 - - Not Available
15 0.5 PK 439 Run/Crank Ignition Voltage
16 3 PK 1580 Low Reference
17 0.5 L-BU 5986 Serial Data Communication Enable
18-20 - - Not Available
21 0.5 TN 2501 High Speed GMLAN Serial Data -
22 0.5 TN/BK 2500 High Speed GMLAN Serial Data +
23-31 - - Not Available
32 3 RD/WH 1940 Battery Positive Voltage
33-35 - - Not Available
36 0.5 BN 7445 Reference Voltage
37-43 - - Not Available
44 0.5 GY 7443 Fuel Pump Flow Control Module Shield Extension
45-46 - - Not Available
47 3 GY 120 Fuel Pump Control
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 13570967
  • Service Connector: 19168025
  • Description: 15-Way F 0.64 6.3 Sealed (BK)
Terminal Part Information
  • Pins: 1, 16, 32, 47
  • Terminated Lead: 13579754
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 15476168/5
  • Core/Insulation Crimp: F/3
  • Pins: 5-7, 10, 13, 15, 17, 21, 22, 36, 44
  • Terminated Lead: 13578883
  • Release Tool: Pending
  • Diagnostic Test Probe: Pending
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
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.