GM Service Manual Online
For 1990-2009 cars only
Connector 1: Battery Current Sensor
Connector 2: Generator
Connector 3: Hood Ajar Switch (AP3 or AP8)
Connector 4: Starter Motor (LZ9)

Battery Current Sensor


Object Number: 646415  Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: See Catalog
  • Description: 3-Way F GT 150 Series Sealed 4.5 (BK)

Terminal Part Information

  • Terminal: 12191819/Tray 8
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Battery Current Sensor

Pin

Wire Color

Circuit No.

Function

A

OG/WH

812

I/P Dimming Voltage

B

BN

5077

Low Reference

C

WH

5075

Current Sensor Signal

Generator


Object Number: 1522871  Size: CH

Connector Part Information

  • OEM: 12186308
  • Service: 89046837
  • Description: 2-Way F JPT, Sealed (BK)

Terminal Part Information

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

Generator

Pin

Wire Color

Circuit No.

Function

1

OG

225

Generator Turn On Signal

2

GY

23

Generator Field Duty Cycle Signal

Hood Ajar Switch (AP3 or AP8)


Object Number: 523630  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal: 12191819/Tray 8
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Hood Ajar Switch (AP3 or AP8)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

109

Hood Ajar Switch Signal

B

BK

1350

Ground

Starter Motor (LZ9)


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: 12129493/2
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Starter Motor (LZ9)

Pin

Wire Color

Circuit No.

Function

A

PU

6

Starter Solenoid Crank Voltage