GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 LaCrosse 🢒 Engine 🢒 Engine Electrical 🢒 Engine Electrical Connector End Views
Connector 1: Battery Current Sensor
Connector 2: Generator
Connector 3: Hood Ajar Switch (AP3/AP8)
Connector 4: Starter (LY7)

Battery Current Sensor
Object Number: 646415 Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: 15306388
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Battery Current Sensor

Pin

Wire Color

Circuit No.

Function

A

RD/WH

812

I/P Dimming Voltage Reference

B

BN

5077

Low Reference

C

WH

5075

Current Sensor Signal

Generator
Object Number: 1522871 Size: CH

Connector Part Information

  • OEM: 12186308
  • Service: 12186308
  • Description: 2-Way F JPT Sealed (BK)

Terminal Part Information

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

Generator

Pin

Wire Color

Circuit No.

Function

1

RD

225

Generator Turn On Signal (L26)

1

OG

225

Generator Turn On Signal (LY7)

2

GY

23

Generator Field Duty Cycle Signal

Hood Ajar Switch (AP3/AP8)
Object Number: 523630 Size: CH

Connector Part Information

  • OEM: 15326801
  • Service: 15306156
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Hood Ajar Switch (AP3/AP8)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

109

Hood Ajar Switch Signal

B

BK

1350

Ground

Starter (LY7)
Object Number: 439508 Size: CH

Connector Part Information

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