Fuel Pump Relay- Secondary (except NQZ)

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Fuel Pump Relay- Secondary (except NQZ)
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 Relay - Secondary (except NQZ) Connector End Views
GM535912Courtesy of GENERAL MOTORS CORP.
Fuel Pump Relay- Secondary (except NQZ)

Pin Wire Circuit Function
30 PK 439 Ignition Voltage
85 BK 2150 Ground
86 TN 1465 Fuel Pump Relay Control- Secondary
87 L-GN 1058 Fuel Balance Pump Control
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 12129716
  • Service Connector: 15306045
  • Description: 4-Way F Metri-Pack 280 Series, Flexlock, Sealed (M-GY)
Terminal Part Information
  • Terminated Lead: Service by Connector Assembly- 15306045
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: Pins 30, 86, 87- 12110847/4
  • Terminal/Tray: Pins 85- 12110845/4
  • Core/Insulation Crimp: Pins 30, 87- C/5
  • Core/Insulation Crimp: Pins 85- A/5
  • Core/Insulation Crimp: Pins 86- E/5
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.