Engine Electrical Connectors: Generator

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Generator
WARNING: This page is about a different car, the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, and 2007 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Generator Connector End View
GM647991Courtesy of GENERAL MOTORS CORP.
Generator Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 15355066
  • Service: 15306329
  • Description: 2-Way F Metri-Pack 150 Series Sealed (BG)
Terminal Part Information 
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)
Generator Terminal Identification

Pin Wire Color Circuit No. Function
A - - Not Available
B OG 225 Generator Turn On Signal
C GY 23 Generator Field Duty Cycle Signal
D - - Not Available
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:

  • 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.