GM Service Manual Online
For 1990-2009 cars only
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Connector 1: Generator
Connector 2: Starter (LY7)

Generator
Object Number: 1283861 Size: CH

Connector Part Information

  • OEM: 1928403137
  • Service: 89046837
  • Description: 2-Way F Bosch (BK)

Terminal Part Information

  • Terminal/Tray: 4-964286-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12093647/J-35616-4A (PU)

Generator

Pin

Wire Color

Circuit No.

Function

1

OG

225

Generator Turn On Signal

2

GY

23

Generator Field Duty Cycle Signal

Starter (LY7)
Object Number: 439508 Size: CH

Connector Part Information

  • OEM: 12089916
  • Service: 12101763
  • Description: 1-Way F Metri-Pack 280 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Starter (LY7)

Pin

Wire Color

Circuit No.

Function

A

PU

6

Starter Solenoid Crank Voltage